Dell SmartStep 200N Parts list manual

Contents 1
Contents
1Removing and Replacing Parts
2Before You Remove or Install Parts
Preparing to Work Inside the Computer . . . . . . . . . . . . . . 8
Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . 10
Computer Orientation . . . . . . . . . . . . . . . . . . . . . . . 11
Screw Identification . . . . . . . . . . . . . . . . . . . . . . . . 11
3System Components
4Memory Module, Modem, and Optical Drive
Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Removing the Memory Module . . . . . . . . . . . . . . . . . 22
Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Installing an Optical Drive . . . . . . . . . . . . . . . . . . . 30
5Hard Drive
Removing the Hard Drive . . . . . . . . . . . . . . . . . . . . 32
Installing the Hard Drive . . . . . . . . . . . . . . . . . . . . 34

2Contents
6Keyboard
Removing the Keyboard . . . . . . . . . . . . . . . . . . . . 36
Installing the Keyboard . . . . . . . . . . . . . . . . . . . . 39
7Display Assembly and Display Latch
Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 42
Display Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Display Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Removing the Display Latch . . . . . . . . . . . . . . . . . . 51
Installing the Display Latch . . . . . . . . . . . . . . . . . . 51
Removing the Display Hinges . . . . . . . . . . . . . . . . . . 51
Installing the Display Hinges . . . . . . . . . . . . . . . . . . 51
8Reserve Battery and Palm Rest
Reserve Battery . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
9Floppy Drive
10 Microprocessor Thermal-Cooling Assembly and
Microprocessor Module
Microprocessor Thermal-Cooling Assembly . . . . . . . . . . . . 66
Microprocessor Module . . . . . . . . . . . . . . . . . . . . . . 67
11 Speakers
Removing the Speakers . . . . . . . . . . . . . . . . . . . . 70
Installing the Speakers . . . . . . . . . . . . . . . . . . . . . 71

3Contents
12 System Board
Removing the System Board . . . . . . . . . . . . . . . . . . 74
Installing the System Board . . . . . . . . . . . . . . . . . . 81
13 Optical Drive Latch and Battery Latch Assemblies
Removing the Optical Drive Latch and Battery Latch Assemblies 84
Installing the Optical Drive Latch and Battery Latch Assemblies 85

4Contents

1
SECTION 1
Removing and
Replacing Parts

6Removing and Replacing Parts
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2
SECTION 2
Before You Remove or
Install Parts

8Before You Remove or Install Parts
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Preparing to Work Inside the
Computer
CAUTION: 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. Read and
follow the safety instructions in the Dell
Owner’s Manual .
NOTICE: To avoid damaging the computer, perform the following steps before
you begin working inside the computer.
1Ensure that the work surface is flat and clean to prevent scratching the
computer cover.
2Save any work in progress and exit all open programs.
3Shut down the computer and turn off all attached devices.
HINT: Ensure that the
computer is off and not in
a power management
mode. If you cannot shut
down the computer using
the computer operating
system, press and hold the
power button for 4
seconds.
4Disconnect the computer from the electrical outlet.
5To avoid possible damage to the system board, wait 10 to 20 seconds
and then disconnect any attached devices.
6Disconnect all other external cables from the computer.
7Remove any installed PC Cards or blanks from the PC Card slot.
8Close the display and turn the computer upside down on a flat work
surface.
NOTICE: To avoid damaging the system board, you must remove the battery
before you service the computer.

Before You Remove or Install Parts 9
9Remove the battery:
aSlide the battery lock to the unlock position.
bSlide the two battery latch releases toward the back of the
computer and hold them.
cLift the battery up using the raised tab toward the front of the
computer.
dRemove the battery from the computer.
10 To dissipate any static electricity while you work, use a wrist grounding
strap or periodically touch an unpainted metal surface.
1battery
2battery latch release
3battery lock
3
1
2

10 Before You Remove or Install Parts
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11 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.
Recommended Tools
The procedures in this document require the following tools:
• #1 magnetized Phillips screwdriver
• ¼-inch flat-blade screwdriver
•Nutdriver
• Small plastic scribe
• Microprocessor extractor
• Flash BIOS program update floppy disk

Before You Remove or Install Parts 11
Computer Orientation
Screw Identification
When you are removing and installing components, print the following few
pages as a placemat to lay out and keep track of the component screws. The
placemat provides the number of screws and the sizes.
1back
2right
3front
4left
3
1
24

12 Before You Remove or Install Parts
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NOTICE: When reinstalling a screw, you must use a screw of the correct
diameter and length. Ensure that the screw is properly aligned with its
corresponding hole, and avoid overtightening.
Modem to system board:
(2 each) Hard drive: (4 each) Keyboard (3 each)

Before You Remove or Install Parts 13
Display to bottom case:
(2 each) Palm rest shield: (1 each) Display hinges: (2 each)
(2 each)
(1 each)

14 Before You Remove or Install Parts
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Display bezel:
large screw bumpers (2 each)
small screw bumpers (2 each)
screw cover (1 each)
(5 each)
(2 each)
(2 each)
Display inverter screw:
(1 each)
Display hinges screw:
Palm rest to bottom case:
(2 each)
(13 each)
(1 each)
(1 each)
Floppy drive to system board:
(1 each) Thermal assembly to heat sink: (4 each) Speaker to bottom case: (2 each)

Before You Remove or Install Parts 15
Video shield:
(4 each) Motherboard shield: (2 each) System board to bottom case: (3 each)
(1 each)

16 Before You Remove or Install Parts
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3
SECTION 3
System Components

18 System Components
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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: Unless otherwise noted, each procedure in this document assumes
that a part can be replaced by performing the removal procedure in reverse
order.

System Components 19
2
22
16
7
18
3
5
4
21
8
12
10
9
6
15
14 13
11
19
20
17
1

20 System Components
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1 display latch 12 bottom case
2 display 13 hard drive
3 hinge cover 14 battery
4 keyboard 15 optical drive
5 palm rest shield 16 rubber bumper
6 microprocessorthermal-cooling
assembly 17 floppy drive
7 system board shield 18 speakers (2)
8 microprocessor module 19 charger board
9 power shield 20 video shield
10 system board 21 palm rest
11 modem 22 reserve battery