Dell 1700 - Personal Laser Printer B/W User manual

Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
©2007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, Inspiron, and Vostro are trademarks of Dell Inc.; Microsoft, Windows, and Windows Vista are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries.
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.
Model PP22X
June2007Rev.A00
Before You Begin
ExpressCards
Using the Memory Card Reader
Optical Drive
Hard Drive
Hinge Cover
Internal Card With Bluetooth®Wireless Technology
Keyboard
Memory
Display
Palm Rest
Wireless Mini Cards
Flash Cache Module (FCM)
Modem
Coin-Cell Battery
Graphics Card Assembly
Processor Thermal-Cooling Assembly
Processor Module
Fan
Speaker Assembly
System Board Assembly
Computer Base and Components
Battery Latch Assembly
Flashing the BIOS
Pin Assignments for I/O Connectors
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 potential for property damage, personal injury, or death.

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Computer Base and Components
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Wireless Sniffer Board
Audio Connector Board
Consumer Infrared (CIR) Board
USB Connector Board
Modem Connector
ExpressCard Cage
Computer Base
Wireless Sniffer Board

Removing the Wireless Sniffer Board


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

8. Remove the palm rest (see Removing the Palm Rest).

9. Remove the M2.5 x 5-mm screw that secures the wireless sniffer board to the base of the computer.

10. Lift the wireless sniffer board out of the computer.

11. Disconnect the sniffer cable from the wireless sniffer board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Do not disconnect the sniffer cable from the system board.


Replacing the Wireless Sniffer Board


1. Connect the sniffer cable to the wireless sniffer board.

2. Align the screw hole in the wireless sniffer board with the screw hole in the base of the computer, and then lower the board into place.

3. Replace the M2.5 x 5-mm screw and secure the wireless sniffer board to the base of the computer.

4. Replace the palm rest (see Replacing the Palm Rest).

5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).

6. Replace the display assembly (see Replacing the Display Assembly).

7. Replace the keyboard (see Replacing the Keyboard).

8. Replace the hinge cover (see Replacing the Hinge Cover).

9. Replace the hard drive (see Replacing a Hard Drive).

10. Replace the optical drive (see Replacing the Optical Drive).
Audio Connector Board

Removing the Audio Connector Board


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

8. Remove the palm rest (see Removing the Palm Rest).

9. Remove the M2.5 x 5-mm screw that secures the audio connector board to the base of the computer.

10. Lift the audio connector board out of the computer.

11. Disconnect the audio cable from the audio connector board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Do not disconnect the audio cable from the system board.


Replacing the Audio Connector Board


1. Connect the audio cable to the audio connector board.

2. Align the screw hole in the audio connector board with the screw hole in the base of the computer, and then lower the board into place.

3. Replace the M2.5 x 5-mm screw and secure the audio connector board to the base of the computer.

4. Replace the palm rest (see Replacing the Palm Rest).

5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).

6. Replace the display assembly (see Replacing the Display Assembly).

7. Replace the keyboard (see Replacing the Keyboard).

8. Replace the hinge cover (see Replacing the Hinge Cover).

9. Replace the hard drive (see Replacing a Hard Drive).

10. Replace the optical drive (see Replacing the Optical Drive).
Consumer Infrared (CIR) Board

Removing the CIR Board


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

8. Remove the palm rest (see Removing the Palm Rest).

9. Remove the M2.5 x 5-mm screw that secures the CIR board to the base of the computer.

10. Lift the CIR board out of the computer.

11. Disconnect the CIR cable from the CIR board.

Replacing the CIR Board


1. Connect the CIR cable to the CIR board.

2. Align the screw hole in the CIR board with the screw hole in the base of the computer, and then lower the board into place.

3. Replace the M2.5 x 5-mm screw and secure the CIR board to the base of the computer.

4. Replace the palm rest (see Replacing the Palm Rest).

5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).

6. Replace the display assembly (see Replacing the Display Assembly).

7. Replace the keyboard (see Replacing the Keyboard).

8. Replace the hinge cover (see Replacing the Hinge Cover).

9. Replace the hard drive (see Replacing a Hard Drive).

10. Replace the optical drive (see Replacing the Optical Drive).
USB Connector Board

Removing the USB Connector Board


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

NOTICE: Do not disconnect the CIR cable from the system board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

8. Remove the palm rest (see Removing the Palm Rest).

9. Disconnect the USB cable from the USB connector board.

10. Remove the two M2.5 x 5-mm screws that secure the USB connnector board to the base of the computer.

11. Lift the USB connector board out of the computer.

Replacing the USB Connector Board


1. Align the screw holes in the USB connector board with the screw holes in the base of the computer, and then lower the board into place.

2. Replace the two M2.5 x 5-mm screws and secure the USB connector board to the base of the computer.

3. Connect the USB cable to the USB connector board.

4. Replace the palm rest (see Replacing the Palm Rest).

5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).

6. Replace the display assembly (see Replacing the Display Assembly).

7. Replace the keyboard (see Replacing the Keyboard).

8. Replace the hinge cover (see Replacing the Hinge Cover).

9. Replace the hard drive (see Replacing a Hard Drive).

10. Replace the optical drive (see Replacing the Optical Drive).
Modem Connector

NOTICE: Do not disconnect the CIR cable from the system board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

Removing the Modem Connector


1. Follow the instructions in Before You Begin.

2. Remove the modem (see Removing the Modem).

3. Remove the system board (see Removing the System Board Assembly).

4. Remove the M2.5 x 5-mm screw that secures the modem connector to the base of the computer.

5. Lift the modem connector out of the computer.

Replacing the Modem Connector


1. Align the screw hole in the modem connector with the screw hole in the base of the computer, and then lower the connector into place.

2. Replace the M2.5 x 5-mm screw and secure the modem connector to the base of the computer.

3. Replace the system board (see Replacing the System Board Assembly).

4. Replace the modem (Replacing the Modem).
ExpressCard Cage

Removing the ExpressCard Cage

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Before you remove the modem connector, observe how the cable is routed on the base of the computer to ensure proper installation when
the connector is replaced.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Ensure that the modem connector cable is properly routed before replacing the system board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

8. Remove the palm rest (see Removing the Palm Rest).

9. Remove the four M2.5 x 5-mm screws that secure the ExpressCard cage to the base of the computer.

10. Carefully lift the ExpressCard cage out of the computer.

Replacing the ExpressCard Cage


1. Align the screw holes on the ExpressCard cage with the screw holes on the base of the computer, then lower the ExpressCard cage into place.

2. Replace the four M2.5 x 5-mm screws and secure the ExpressCard cage to the base of the computer.

3. Replace the palm rest (see Replacing the Palm Rest).

4. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).

5. Replace the display assembly (see Replacing the Display Assembly).

6. Replace the keyboard (see Replacing the Keyboard).

7. Replace the hinge cover (see Replacing the Hinge Cover).

8. Replace the hard drive (see Replacing a Hard Drive).

9. Replace the optical drive (see Replacing the Optical Drive).
Computer Base

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

Removing the Computer Base


1. Follow the instructions in Before You Begin.

2. Remove the system board (see Removing the System Board Assembly).

3. Remove the wireless sniffer board (see Removing the Wireless Sniffer Board).

4. Remove the audio connector board (see Removing the Audio Connector Board).

5. Remove the CIR board (see Removing the CIR Board).

6. Remove the USB connector board (see Removing the USB Connector Board).

7. Remove the speaker assembly (see Removing the Speaker Assembly).

Replacing the Computer Base


1. Replace the speaker assembly (see Replacing the Speaker Assembly).

2. Replace the USB connector board (see Replacing the USB Connector Board.

3. Replace the CIR board (see Replacing the CIR Board).

4. Replace the audio connector board (see Replacing the Audio Connector Board).

5. Replace the wireless sniffer board (see Replacing the Wireless Sniffer Board).

6. Complete the replacement of the computer base by following the procedures in Replacing the System Board Assembly.
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
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTE: When removing the system board to replace the computer base, it is not necessary to remove the processor, memory, or Mini-Card.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Ensure that the rubber gasket is installed in the appopriate location for your processor. The gasket can be moved as needed.
1
location for Intel processor
2
rubber gasket
3
location for AMD processor



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Before You Begin
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Recommended Tools
Before Working Inside Your Computer
This document provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that:
lYou have performed the steps in Before Working Inside Your Computer.
lYou have read the safety information in your Dell Product Information Guide.
lWhen replacing a component, you have already removed the original, if installed.
Recommended Tools
The procedures in this document may require the following tools:
lSmall flat-blade screwdriver
lPhillips screwdriver
lSmall plastic scribe
lFlash BIOS update (see the Dell Support website at support.dell.com)
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.


1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.

2. Click Start , click the arrow icon, and then click Shut Down to turn off your computer.

3. Disconnect your computer and all attached devices from their electrical outlets.

4. Disconnect any telephone or network cables from the computer.

5. Remove any installed cards from the ExpressCard slot (see Removing an ExpressCard or Blank) and the 8-in-1 memory card reader (see Removing a
Memory Card or Blank).

6. Turn the computer over.

NOTE: The color of your system and certain system components may appear differently than shown in this document.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformationGuide.
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.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such
as a connector on the back of the computer.
NOTICE: 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 processor by its edges, not by its pins.
NOTICE: When disconnecting a cable, pull on the cable's connector or on its strain-relief loop, not on the cable itself. For cable connectors with locking
tabs, press inward on the locking tabs to release the connector. When connecting a cable, ensure that the connectors are correctly oriented and
aligned to avoid damage to the connector and/or the connector's pins.
NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the operating system,
press and hold the power button for 4 seconds.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.
NOTICE: To help prevent damage to the system board, you must remove the battery from the battery bay before you service the computer.
NOTE: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell
computers.

7. Slide the battery release latches until they click into place.

8. Slide the battery out of the battery bay.

9. Turn the computer top-side up, open the display, and press the power button to ground the system board.
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
1
battery
2
battery release latch (2)

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Flashing the BIOS
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Flashing the BIOS From a CD
Flashing the BIOS From the Hard Drive
If a BIOS-update program CD is provided with a new system board, flash the BIOS from the CD. If you do not have a BIOS-update program CD, flash the BIOS
from the hard drive.
Flashing the BIOS From a CD

1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.

2. Insert the BIOS-update program CD, and turn on the computer.
Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, the
computer will automatically reboot.

3. Press <F2> during POST to enter the system setup program.

4. Press <Alt> and <f> to reset the computer defaults.

5. Press <Esc>, select Save/Exit, and press <Enter> to save configuration changes.

6. Remove the flash BIOS update program CD from the drive and restart the computer.
Flashing the BIOS From the Hard Drive

1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.

2. Turn on the computer.

3. Locate the latest BIOS update file for your computer at support.dell.com.

4. Click Download Now to download the file.

5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
The File Download window appears.

6. Click Save this program to disk, and then click OK.
The Save In window appears.

7. Click the down arrow to view the Save In menu, select Desktop, and then click Save.
The file downloads to your desktop.

8. Click Close if the Download Complete window appears.
The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.

NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.
NOTE: If you use a BIOS update program CD to flash the BIOS, press <F12> before inserting the CD so that you can set up the computer to boot from a
CD for one time only. Otherwise, you must enter the system setup program to change the default boot order.
NOTICE: Do not interrupt this process once it begins. Doing so may cause system damage.
NOTICE: Plug the AC adapter into a known good power source to prevent a loss of power. Failure to do so may cause system damage.

9. Double-click the file icon on the desktop and follow the instructions on the screen.
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

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Internal Card With Bluetooth®Wireless Technology
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Removing the Bluetooth Card
Replacing the Bluetooth Card

If you ordered a card with Bluetooth wireless technology with your computer, it is already installed.
Removing the Bluetooth Card

1. Follow the procedures in Before You Begin.

2. Remove the hinge cover (see Removing the Hinge Cover).

3. Disconnect the cable on the card.

4. Grasp the connector end of the card and slide it out from under the securing tabs.
Replacing the Bluetooth Card


1. Follow the procedures in Before You Begin.

2. Replace the card at an angle to slide it under the securing tabs in the card compartment.

3. Connect the cable to the card.

4. Replace the hinge cover (see Replacing the Hinge Cover).
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
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1
securing tabs (2)
2
cable
3
card


CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

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Using the Memory Card Reader
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Memory Card Blanks
Removing a Memory Card or Blank
Installing a Memory Card
The memory card reader provides a fast and convenient way to view and share digital photos, music, and videos stored on a memory card.
The 8-in-1 memory card reader reads the following memory cards:
lSecure Digital (SD)
lSDIO
lMultiMediaCard (MMC)
lMemory Stick
lMemory Stick PRO
lxD-Picture Card
lHi Speed-SD
lHi Density-SD
Memory Card Blanks
Your computer shipped with a plastic blank installed in the 8-in-1 memory card reader. Blanks protect unused slots from dust and other particles. Save the
blank for use when no memory card is installed in the slot.
Removing a Memory Card or Blank

Press the card into the slot to release it from the card reader. When it is partially ejected, remove the card.
Installing a Memory Card

You can install a memory card in the computer while the computer is running. The computer automatically detects the card.
Memory cards are generally marked with a symbol (such as a triangle or an arrow) or a label to indicate which end to insert into the slot. The cards are keyed
to prevent incorrect insertion. If card orientation is not clear, see the documentation that came with the card.

1. Hold the card with the top side of the card facing up.

2. Slide the card into the slot until the card is completely seated in its connector.
If you encounter too much resistance, do not force the card. Check the card orientation and try again.
NOTE: A memory card is not a bootable device.
NOTE: Blanks from other computers may not fit your computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: Use the memory card configuration utility (click the icon in the notification area) to select a card and stop it from functioning before you
remove it from the computer. If you do not stop the card in the configuration utility, you may lose data.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

The computer recognizes the memory card and automatically loads the appropriate device driver. If the configuration program tells you to load the
manufacturer's drivers, use the media that came with the memory card, if applicable.
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

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Coin-Cell Battery
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Removing the Coin-Cell Battery
Replacing the Coin-Cell Battery
Removing the Coin-Cell Battery


1. Follow the procedures in Before You Begin.

2. Turn the computer over.

3. Loosen the captive screw on the memory module cover, then remove the cover and set it aside.

4. Disconnect the coin-cell battery cable from the system board.

5. Slide the battery out of the mylar sleeve.
Replacing the Coin-Cell Battery

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1
memory module cover
2
captive screw
1
coin-cell battery
2
mylar sleeve
3
battery cable connector





1. Follow the procedures in Before You Begin.

2. Connect the coin-cell battery cable to the system board.

3. Slide the coin-cell battery into the mylar sleeve.

4. Replace the memory module cover and tighten the captive screw.
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
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

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Processor Module
Dell™Vostro™1700andInspiron™1720/1721ServiceManual
Removing the Processor Module
Replacing the Processor Module
Removing the Processor Module


1. Follow the instructions in Before You Begin.

2. Remove the optical drive (see Removing the Optical Drive).

3. Remove the hard drive (see Removing a Hard Drive).

4. Remove the hinge cover (see Removing the Hinge Cover).

5. Remove the keyboard (see Removing the Keyboard).

6. Remove the display assembly (see Removing the Display Assembly).

7. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).

8. Remove the palm rest (see Removing the Palm Rest).

9. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).

10. To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.

11. Lift the processor module from the ZIF socket.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.
1
ZIF-socket cam screw
2
ZIF socket
NOTICE: To ensure maximum cooling for the processor, do not touch the heat transfer areas on the processor thermal-cooling assembly. The oils in
your skin can reduce the heat transfer capability of the thermal pads.
NOTICE: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module.

Replacing the Processor Module
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1. Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.
When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the
others, the module is not seated properly.
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2. Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board.
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3. Replace the processor thermal-cooling assembly (see Replacing the Processor Thermal-Cooling Assembly).
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4. Replace the palm rest (see Replacing the Palm Rest).
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5. Replace the internal card with Bluetooth wireless technology, if installed (see Replacing the Bluetooth Card).
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6. Replace the display assembly (see Replacing the Display Assembly).
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7. Replace the keyboard (see Replacing the Keyboard).
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8. Replace the hinge cover (see Replacing the Hinge Cover).
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9. Replace the hard drive (see Replacing a Hard Drive).
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10. Replace the optical drive (see Replacing the Optical Drive).
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CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: Do not touch the processor die. Press and hold the processor down on the substrate on which the die is mounted while turning the cam screw
to prevent intermittent contact between the cam screw and processor.
NOTICE: Ensure that the cam lock is in the fully open position before seating the processor module. Seating the processor module properly in the ZIF
socket does not require force. A processor module that is not properly seated can result in an intermittent connection or permanent damage to the
microprocessor and ZIF socket.
NOTE: If a new processor is installed, you will receive a new thermal-cooling assembly, which will include an affixed thermal pad, or you will receive a
new thermal pad along with a tech sheet to illustrate proper installation.
NOTE: The pin-1 corner of the processor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket.
1
ZIF-socket cam screw
2
ZIF socket
3
pin-1 corner
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NOTICE: To avoid damage to the processor, hold the screwdriver so that it is perpendicular to the processor when turning the cam screw.