Dell Dimension 8300 Series User manual

Dell™Dimension™8300Series
Before You Begin
Turning Off Your Computer
Opening the Computer Cover
Technical Overview
Technical Specifications
Advanced Troubleshooting
System Setup Program
Removing and Installing Parts
Closing the Computer Cover
Notes, Notices, and Cautions
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Abbreviations and Acronyms
For a complete list of abbreviations and acronyms, see the Tell Me How help file.
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IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft®Windows®operating systems are not applicable.
Information in this document is subject to change without notice.
©2003–2004DellInc.Allrightsreserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Inc.; Intel and Pentium are registered trademarks of Intel Corporation; Microsoft and
Windows are registered trademarks of Microsoft Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
March2004Rev.A03
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

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Advanced Troubleshooting
Dell™Dimension™8300SeriesServiceManual
Diagnostic Lights
Beep Codes
System Messages
Diagnostic Lights
To help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C," and "D." These lights can be yellow or
green. When the computer starts normally, the lights flash. After the computer starts, all four lights will display solid green. If the computer malfunctions, the
color and sequence of the lights identify the problem.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
Light Pattern
Problem Description
Suggested Resolution

The computer is in a normal
off condition or a possible
pre-BIOS failure has
occurred.
Verify that the computer is plugged into a working electrical outlet and that you have pressed the power
button.

Memory modules are
detected, but a memory
failure has occurred.
lIf you have one memory module installed, reinstall the module and restart the computer.
lIf you have two or more memory modules installed, remove the modules, reinstall one module,
and then restart the computer. If the computer starts normally, reinstall an additional module.
Continue until you have identified a faulty module or reinstalled all modules without error.
lIf available, install properly working memory of the same type into your computer.
lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical
assistance.
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
A possible expansion card
failure has occurred.
1. Determine if a conflict exists by removing a card (not the video card) and then restarting the
computer.
2. If the problem persists, reinstall the card that you removed, remove a different card, and then
restart the computer.
3. Repeat this process for each card. If the computer starts normally, troubleshoot the last card
removed from the computer for resource conflicts (see "Resolving Software and Hardware
Incompatibilities" in your Owner's Manual).
4. If the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical
assistance.

A possible video card failure
has occurred.
lIf the computer has a video card, remove the card and reinstall it, and restart the computer.
lIf the problem still exists, install a video card that you know works and restart the computer.
lIf the problem persists or the computer has integrated video, contact Dell. See "Contacting Dell" in
your Owner's Manual for technical assistance.

A possible floppy or hard
drive failure has occurred.
Reseat all power and data cables and restart the computer.

A possible USB failure has
occurred.
Reinstall all USB devices, check cable connections, and then restart the computer.
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No memory modules are
detected.
lReinstall all memory modules and restart the computer.
lTo eliminate the possibility of a faulty memory connector, remove all memory modules, reinstall one
memory module (if the computer supports a single module), and then restart the computer. If the
computer starts normally, move the memory module to a different connector and restart the
computer. Continue until you have identified a faulty connector or reinstalled all modules without
error.
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Memory modules are
detected, but a memory
configuration or compatibility
error exists.
lEnsure that there are no special memory module/memory connector placement requirements.
lVerify that the memory modules that you are installing are compatible with your computer.
lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical
assistance.

Other failure has occurred.
lEnsure that the cables are properly connected from the hard drive, CD drive, and DVD drive to the
system board.

Beep Codes
Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called a beep code,
identifies a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the
computer encountered a memory problem.
Reseating the memory modules may fix the beep code errors in the following table. If the problem persists, see "Contacting Dell" in your Owner's Manual for
instructions on obtaining technical assistance. 
If you hear one of the following beep codes, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.

System Messages
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
lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical
assistance.
lIf there is an error message on your screen identifying a problem with a device (such as the floppy
drive or hard drive), check the device to ensure that it is functioning properly.
lThe operating system is attempting to boot from a device (such as the floppy drive or hard drive);
see "System Setup Screens" to ensure that the boot sequence is correct for the devices installed
on your computer.

The computer is in a normal
operating condition after
POST.
None.
Code
Cause
1-3-1 through 2-4-4
Memory not being properly identified or used
4-3-1
Memory failure above address 0FFFFh
Code
Cause
1-1-2
Microprocessor register failure
1-1-3
NVRAM
1-1-4
ROM BIOS checksum failure
1-2-1
Programmable interval timer
1-2-2
DMA initialization failure
1-2-3
DMA page register read/write failure
3-1-1
Slave DMA register failure
3-1-2
Master DMA register failure
3-1-3
Master interrupt mask register failure
3-1-4
Slave interrupt mask register failure
3-2-2
Interrupt vector loading failure
3-2-4
Keyboard Controller Test failure
3-3-1
NVRAM power loss
3-3-2
NVRAM configuration
3-3-4
Video Memory Test failure
3-4-1
Screen initialization failure
3-4-2
Screen retrace failure
3-4-3
Search for video ROM failure
4-2-1
No time tick
4-2-2
Shutdown failure
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in protected mode
4-3-3
Timer-chip counter 2 failure
4-3-4
Time-of-day clock stopped
4-4-1
Serial or parallel port test failure
4-4-4
Cache test failure
NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running
when the message appeared.

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Message
Possible Cause
Corrective Action
8042 Gate-A20 error
The keyboard controller failed its test.
If you receive this message after you make changes in the system setup
program, enter the program and restore the original value(s).
Address Line Short!
An error in the address decoding circuitry in the
memory has occurred.
Reseat the memory modules.
C: Drive Error
C: Drive Failure
The hard drive is not working or is not configured
correctly.
Ensure that the drive is installed correctly in the computer and defined
correctly in the system setup program.
Cache Memory Bad, Do
Not Enable Cache
The cache memory is not operating.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining
technical assistance.
CH-2 Timer Error
An error is occurring on the timer on the system
board.
See "Contacting Dell" in your Owner's Manual for instructions on obtaining
technical assistance.
CMOS Battery State
Low
CMOS Checksum Failure
CMOS System Options
Not Set
CMOS Display Type
Mismatch
CMOS Memory Size
Mismatch
CMOS Time and Date
Not Set
The system configuration information in the system
setup program is incorrect or the battery charge
may be low.
Enter the system setup program, verify the system configuration, and then
restart the computer.
Diskette Boot Failure
Drive A or B is present but has failed the BIOS POST.
Ensure that the drive is installed correctly in the computer and defined
correctly in the system setup program. Check the interface cable at both
ends.
DMA Error
DMA 1 Error
DMA 2 Error
Error in the DMA controller on the system board.
The keyboard or system board may need to be replaced.
FDD Controller
Failure
HDD Controller
Failure
The BIOS cannot communicate with the floppy drive
or hard drive controller.
Ensure that the floppy drive or the hard drive is installed correctly in the
computer and defined correctly in the system setup program. Check the
interface cable at both ends.
INTR1 Error
INTR2 Error
An interrupt channel on the system board failed to
POST.
The keyboard or system board may need to be replaced.
Invalid Boot Diskette
The operating system cannot be located on drive A
or drive C.
Enter the system setup program and confirm that drive A or drive C is
properly identified.
Keyboard Error
The BIOS has detected a stuck key.
Ensure that nothing is resting on the keyboard; if a key appears to be stuck,
carefully pry it up. If the problem persists, you may need to replace the
keyboard.
KB/Interface Error
An error occurred with the keyboard connector.
Ensure that nothing is resting on the keyboard; if a key appears to be stuck,
carefully pry it up. If the problem persists, you may need to replace the
keyboard.
No ROM Basic
The operating system cannot be located on drive A
or drive C.
Enter the system setup program and confirm that drive A or drive C is
properly identified.

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Battery
Dell™Dimension™8300SeriesServiceManual

A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.
If you have to repeatedly reset time and date information after turning on the computer, replace the battery.

To replace the battery:
1. Record all the screens in the system setup program so that you can restore the correct settings in step12.
2. Shut down the computer through the Start menu.
3. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.

4. Turn off any attached devices and disconnect them from their electrical outlets.
5. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
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6. Open the computer cover.
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7. Locate the battery socket on the system board.
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8. Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver.
9. Insert the new battery into the socket with the side labeled "+" facing up, and snap the battery into place.
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10. Close the computer cover.
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11. Connect your computer and devices to electrical outlets, and turn them on.
12. Enter the system setup program and restore the settings you recorded in step1.
13. Properly dispose of the old battery. See the safety instructions in your Owner's Manual.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the
manufacturer. Discard used batteries according to the manufacturer's instructions.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is
inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off
the socket or by breaking circuit traces on the system board.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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Before You Begin
Dell™Dimension™8300SeriesServiceManual
Getting Started
Recommended Tools
Shutting Down Your Computer
Getting Started
This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the
following conditions exist:
lYou have performed the steps in "Shutting Down Your Computer."
lYou have read the safety information in your Owner’s Manual.
Recommended Tools
The procedures in this document may require the following tools:
lSmall flat-blade screwdriver
lPhillips screwdriver
lFlash BIOS update program floppy disk or CD
Shutting Down Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety.
1. Shut down the computer.
2. Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, press and hold the power button for 4 seconds.

3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5. Remove the computer stand, if it is attached.
6. Open the computer cover.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not
covered by your warranty.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal
mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins.
NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with
locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep
them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and
aligned.
NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

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Cards
Dell™Dimension™8300SeriesServiceManual
PCI Cards
AGP Cards
PCI Cards


YourDell™computerprovidesslotsforuptofour32-bit, 33-MHz cards.
If you are installing or replacing a card, follow the procedures in the next section. If you are removing but not replacing a card, see "Removing a Card."
Installing a PCI Card

1. If you are replacing a card, remove the current driver for the card from the operating system.
2. Shut down the computer through the Start menu.
3. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.

4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

6. Open the computer cover.
7. Press the lever on the card retention arm and raise the retention arm.

8. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step10.
9. If you are replacing a card that is already installed in the computer, remove the card.
If necessary, disconnect any cables connected to the card. Grasp the card by its top corners, and ease it out of its connector.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in your Owner's Manual.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in your Owner's Manual.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

10. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
computer.
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11. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.
If the card is full-length, insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board. Insert
the card firmly into the card connector on the system board.

12. Before you lower the retention arm, ensure that:
lThe tops of all cards and filler brackets are flush with the alignment bar.
lThe notch in the top of the card or filler bracket fits around the alignment guide.
Press the arm into place, securing the card(s) in the computer.
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13. Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.

14. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.
15. Install any drivers required for the card as described in the card documentation.
CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be
sure to unplug your computer from its electrical outlet before installing any cards. Verify that the standby power light on the system board is off.
NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or
cause damage to the equipment.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

Removing a PCI Card

1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.

3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

5. Open the computer cover.
6. Press the lever on the card retention arm and raise the retention arm.
7. If necessary, disconnect any cables connected to the card.
8. Grasp the card by its top corners, and ease it out of its connector.
9. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
If you need a filler bracket, contact Dell. See "Contacting Dell" in your Owner's Manual for technical assistance
10. Lower the retention arm and press it into place, securing the card(s) in the computer.

11. Close the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.
12. Remove the card's driver from the operating system.
AGP Cards

Your Dell computer provides a connector for an AGP card.
1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.

3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

5. Open the computer cover.
Removing an AGP Card
1. Remove the filler bracket by raising the hinged lever and sliding the bracket up.
2. Press the card lever toward the PCI connector.
3. Pull the card up and out of the card clip.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

Installing an AGP Card
1. To add or replace the card, press the card lever toward the PCI connector and gently press the card into the AGP connector until it clicks into place.

2. Release the card lever, ensuring that the tab fits into the notch on the front end of the card.
3. Secure the card by lowering the hinged lever on the back panel.
4. Close the computer cover.
5. Connect the monitor cable to the card's video connector.

6. Connect your computer and devices to electrical outlets, and turn them on.
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NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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Closing the Computer Cover
Dell™Dimension™8300SeriesServiceManual
1. Ensure that all cables are connected, and fold cables out of the way.
Gently pull the power cables toward you so that they do not get caught underneath the drives.
2. Ensure that no tools or extra parts are left inside the computer.
3. Close the cover:
a. Pivot the cover down.
b. Press down on the right side of the cover until it closes.
c. Press down on the left side of the cover until it closes.
d. Ensure that both sides of the cover are locked. If not, repeat all of step 3.

4. Connect your computer and devices to electrical outlets, and turn them on.
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
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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Opening the Computer Cover
Dell™Dimension™8300SeriesServiceManual

1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.

3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.


5. Laythecomputeronitssidesothatthearrowonthebottomofthecomputerpointsup.
6. Open the cover:
a. Facing the back of the computer, press the release button on the right side of the computer with one hand while pulling up on the top of the
cover with the other hand.
b. Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand.
c. Hold the bottom of the computer with one hand, and then pull open the cover with the other hand.

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
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Ensure that sufficient space exists to support the open cover—at least 30 cm (1 ft) of desk top space.

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Drives
Dell™Dimension™8300SeriesServiceManual
Replacing the Hard Drive
Adding a Second Hard Drive
Adding or Replacing a Floppy Drive
Adding or Replacing a CD/DVD Drive
Your computer supports one floppy drive and a maximum combination of up to four of any of the following drives.
lTwo hard drives (IDE, Serial ATA)
lTwo CD or DVD drives
lOne Zip drive
Replacing the Hard Drive


1. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.
2. Shut down the computer through the Start menu.

3. Turn off any attached devices and disconnect them from their electrical outlets.
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
6. Ground yourself by touching an unpainted metal surface on the chassis, such as the metal around the card-slot openings at the back of the computer,
before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal
components.

7. Open the computer cover.
Removing a Hard Drive
1. Disconnect the power and hard-drive cables from the drive.

NOTE: Install only IDE hard drives or serial ATA hard drives in your computer. You cannot install both types of drives.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently
cushion it.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
NOTICE: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

2. Press in on the tabs on each side of the drive and slide the drive up and out.

Installing a Hard Drive
1. Unpack the replacement hard drive, and prepare it for installation.
2. Check the documentation for the drive to verify that it is configured for your computer.
3. If your replacement hard drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure
each rail to the drive. Attach the bracket rails to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and
then inserting and tightening all four screws (two screws on each rail).
4. Install the hard drive into the computer by gently sliding the drive into place until you hear or feel it securely click.
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NOTICE: Match the colored strip on the cable with pin 1 on the drive (pin 1 is marked as "1").

5. Connect the power and hard-drive cables to the drive.
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6. Check all connectors to be certain that they are properly cabled and firmly seated.
7. Close the computer cover.
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8. Connect your computer and devices to electrical outlets, and turn them on.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
Adding a Second Hard Drive
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1. Check the documentation for the drive to verify that it is configured for your computer.
2. Shut down the computer through the Start menu.
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3. Turn off any attached devices and disconnect them from their electrical outlets.
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
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6. Open the computer cover.
7. Remove the two green plastic rails from the inside of the hard-drive bay by gently pulling the rails up and out of the bay.
8. Attach the rails to the hard drive using the two screws attached to the rails.
Ensure that the rail tabs are positioned at the back of the hard drive.
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9. Remove the first hard drive from the upper bay and install it in the lower bay:
a. Disconnect the power and the hard-drive cables from the back of the first hard drive.
b. Press in the two green rail tabs and pull the first hard drive out of the upper bay.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently
cushion it.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: Do not install any drive into the lower hard-drive bay until you have removed the green drive rails from the inside of the hard-drive bay.

c. Gently slide the first hard drive into the lower bay until you hear or feel a click.
d. Reconnect the power and hard-drive cables to the back of the first hard drive.
10. Gently slide the new hard drive into the upper bay until you hear or feel a click.
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11. Connect a power cable to the drive.
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12. Locate the extra connector on the drive cable that is attached to your first hard drive and attach the connector to the second hard drive.
Your computer uses cable-select drive cables. This means that the device connected to the end connector of the drive cable is the master device and
the device connected to the middle connector is the slave device. Be sure that the jumper setting on the new device is set for "cable select" (see the
documentation that came with the drive for information).
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13. Close the computer cover.
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14. Connect your computer and devices to electrical outlets, and turn them on.
15. See the documentation that came with the drive for instructions on installing any software required for drive operation.
Adding or Replacing a Floppy Drive
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1. Shut down the computer through the Start menu.
NOTICE: Match the colored strip on the cable with pin 1 on the drive.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.

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2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
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5. Open the computer cover.
Installing a Floppy Drive
1. Remove the front-panel inserts.
2. Gently slide the drive into place until the tabs securely click into position.
3. Attach the floppy-drive cable to the floppy drive and to the system board floppy-drive connector.
Ensure that you route the floppy-drive cable through the cable restraint located on the side of the floppy-drive bay.
4. Attach the floppy-drive power cable to the floppy drive.
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5. Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents.
6. Close the computer cover.
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7. Connect your computer and devices to electrical outlets, and turn them on.
8. After you turn on your computer, press <F2> when you are prompted to enter setup mode.
9. Highlight Drive Configuration and press <Enter>.
10. Use the left and right arrows to change Diskette Drive A from Not Installed to 3.5 inch, 1.44 MB.
11. Press <Enter>.
12. Highlight Integrated Devices (LegacySelect Options) and press <Enter>.
13. Make sure that the Diskette Interface entry is set to Auto. If necessary, use the left and right arrows to set it to Auto.
14. Press <Enter>.
15. Press <Esc>.
16. Press <Enter> to save changes and exit.
The computer restarts.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
Adding or Replacing a CD/DVD Drive
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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1. Shut down the computer through the Start menu.
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2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
5. Ground yourself by touching an unpainted metal surface on the chassis, such as the metal around the card-slot openings at the back of the computer,
before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal
components.
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6. Open the computer cover.
Removing a CD/DVD Drive
1. Disconnect the power, audio, and CD/DVD drive cables from the back of the drive.
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2. Press inward on the two tabs on the sides of the drive, and then slide the drive upward and remove it from the drive bay.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
NOTICE: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

Installing a CD/DVD Drive
1. If you are installing a new drive, unpack the drive and prepare it for installation.
Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure
the drive for the cable select setting.
2. Connect the new drive to the set of rails that are attached to the inside of the cover. If a set of rails is not attached inside the cover, contact Dell. See
"Contacting Dell" in your Owner's Manual for technical assistance
3. If you are installing a replacement drive and the new drive does not have the bracket rails attached, remove the rails from the old drive by removing
the two screws that secure each rail to the drive. Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on
the bracket rails and then inserting and tightening all four screws (two screws on each rail).
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4. Gently slide the drive into place until the tabs securely click into position.
5. Connect the power, audio, and CD/DVD drive cables to the drive.
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6. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front-panel insert.
7. If you are installing a drive that has its own controller card, install the controller card in a card slot.
8. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
9. Close the computer cover.
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10. Connect your computer and devices to their electrical outlets, and turn them on.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
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NOTICE: To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer.