Dell Inspiron 4000 Parts Manual

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SECTION 10
Removing and 
Replacing Parts
Preparing to Work Inside the Computer
Recommended Tools
Screw Identification
System Components
Replacing the Palm Rests
Replacing the Display Cover
Hard Drive Assembly
Modular Bay Devices
Memory Module
Mini PCI Card Assembly
Keyboard Assembly
Removing the Display Assembly
Display Assembly Latch
Hinge Covers
Palm Rest Assembly
Microprocessor Thermal Cooling Assembly
Microprocessor Module
Reserve Battery 

112Removing and Replacing Parts
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System Speaker 
Assembly
System Board 
Assembly
Module Latch 
Assemblies 

Removing and Replacing Parts113
Preparing to Work Inside the 
Computer
 NOTICE: Only a certified service technician should perform repairs on your 
computer. Damage or inoperability due to servicing not authorized by Dell is 
not covered by your warranty.
 NOTICE: Unless otherwise noted, each procedure in this manual assumes that 
a part can be replaced by performing the removal procedure in reverse order.
 NOTICE: To avoid damaging the computer, perform the following steps before 
you begin working...

114Removing and Replacing Parts
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13Handle components and cards with care. Do not touch the 
components or contacts on a card. Hold a card by it 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 manual require the following tools:
•#1 magnetized Phillips screwdriver
•Small flat-blade screwdriver
•Small plastic scribe
•Microprocessor extractor
•Flash BIOS update program...

Removing and Replacing Parts115
 
Screw Placement
Hard Drive Door Security:
M3 x 5 (1 each)Keyboard to Bottom Case 
Assembly:
M2.5 x 12 (5 each)LCD Display Bezel:
M2.5 x 5 (4 each)
Rubber Screw 
Covers (4 each)
LCD Hinge Bracket to 
Bottom Case Assembly:
M2.5 x 5 (5 each)14.1-Inch LCD Display 
Assembly and Flex-Cable 
Retention Bracket to Top 
Cover:
M2 x 4 (5 each)Display Assembly EMI 
Shield Bracket:
M2 x 3 (5 each)
Pa l m  R e s t  t o
Bottom Case Assembly:
M2 x 3 (5 each)
M2.5 x 12 (3 each
)
Hybrid...

116Removing and Replacing Parts
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System Components
palm rest assembly
main battery
bottom case assemblysystem board
center control 
cover
hybrid cooling fan
thermal cooling 
assembly
left speaker/antenna  
assembly
modular bay devicememory module cover
fan guard
keyboardtop cover display 
assembly
hard drive
right speaker/antenna  
assembly
modem and networ
k
connector covers 

Removing and Replacing Parts117
Replacing the Palm Rests
1Save and close any open files, exit any open programs, and shut down 
the computer.
2If the computer is connected (docked) to an advanced port replicator 
(APR), undock it.
3Keep the display open and tilt the computer back so that you can 
access the bottom of the computer.
4Slide and hold the latch release on the left side, and remove any device 
installed in the modular bay.
5Slide and hold the latch release on the right side, and remove any...

118Removing and Replacing Parts
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Replacing the Display Cover
1Slide your index fingers under the straight edge of the display cover 
until the cover pops out.
2Slide the display cover towards the back of the computer. 

Removing and Replacing Parts119
3User your fingers to release the cover completely, and remove it.
4To replace the display cover, bend it slightly to insert the four tabs on 
the rounded edge of the cover into the slots on the top of the 
computer.
5Press the cover along the straight edge at the back of the computer 
until it snaps into place.
6Firmly press the Dell logo until it snaps into place. Press above both 
hinge covers to engage the final snaps.
Hard Drive Assembly
 NOTICE: The hard drive is...

120Removing and Replacing Parts
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2Slide the drive door up until the drive assembly tabs disengage from 
the door slots in the bottom case assembly.
3Pull the drive assembly straight out of the bottom case assembly.
Replacing the Hard Drive Assembly
1Push the drive assembly into the hard drive opening of the computer.
2Align the drive assembly tabs with the bottom case assembly slots and 
push down until it clicks into place.
3Replace the screw in the drive door.
Modular Bay...