Dell Inspiron 2500 Parts Manual

							Removing and Replacing Parts103
4Starting on the left side, use a magnetic screwdriver to reinstall the six 
3-mm screws that secure the display panel in the top cover.
5Reinstall the display assembly bezel.
Display Latch Assembly
1Remove the hinge cover.
2Remove the screw securing the flex cable to its strain relief, and then 
use the pull loop to remove the flex cable from the system board 
memory cache card. 
 NOTICE: When reconnecting the flex cable, press down on both ends of the 
connector, not in the middle. Pressing the middle of the connector can damage 
fragile components. 
6-mm screw 
strain relief pull loop
flex cable 
						

							104Removing and Replacing Parts
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3Remove the display assembly bezel. 
4Remove the display panel from the top cover.
5Remove the display latch by unsnapping the latch and captive spring.
  NOTICE: When replacing the display assembly latch, it may help to flex the 
cover slightly to allow more space while seating the latch. 
						

							Removing and Replacing Parts105
Microprocessor Thermal Cooling 
Assembly
 NOTICE: Disconnect the computer and attached devices from electrical 
outlets and remove any installed battery.
  NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or 
by periodically touching an unpainted metal surface on the computer.
microprocessor 
retaining clip
thermal cooling assembly 
						

							106Removing and Replacing Parts
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Removing the Microprocessor Thermal Cooling Assembly
1Follow the instructions in Preparing to Work Inside the Computer.”
2Remove the keyboard assembly.
3Remove the hinge cover.
 NOTICE: To ensure maximum cooling for the microprocessor, do not touch 
the heat transfer areas on the thermal cooling assembly. The oils in your skin 
reduce the heat transfer capability of the thermal pads.
4
Insert a pry stick into the latch mechanism at the left side of the 
microprocessor retaining clip, and pry open the clip.
5Lift out the thermal cooling assembly.
microprocessor 
thermal cooling 
assembly  
						

							Removing and Replacing Parts107
Microprocessor Module
 NOTICE: Disconnect the computer and attached devices from electrical 
outlets and remove any installed battery.
 NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or 
by periodically touching an unpainted metal surface on the computer.
Removing the Microprocessor Module
1Follow the instructions in Preparing to Work Inside the Computer.”
2Remove the keyboard assembly.
3Remove the hinge cover.
4Remove the microprocessor thermal cooling assembly.
 NOTICE: To ensure maximum cooling for the microprocessor, do not touch 
the heat transfer areas on the thermal cooling assembly. The oils in your skin 
reduce the heat transfer capability of the thermal pads.
5
Remove the microprocessor module.
 NOTICE: When removing the microprocessor module, pull the module 
straight up. Do not bend the pins. 
						

							108Removing and Replacing Parts
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aLoosen the microprocessor socket cam lock screw. The location of 
the screw and the rotation direction may vary with the socket 
manufacturer; look for small icons indicating open and locked 
positions.
bUse the microprocessor extraction tool to remove the 
microprocessor module.
cTo remove the microprocessor module, pull the module straight up. 
Do not bend the pins.
Replacing the Microprocessor Module
 NOTICE: After replacing the microprocessor module, update the BIOS using 
a flash BIOS update program floppy disk or CD that came with the 
replacement microprocessor.
 NOTICE: Proper seating of the microprocessor module does not require force.
 NOTICE: A microprocessor module that is not properly seated can result in 
an intermittent connection and subsequent failures.
1
Align the pin-1 triangle on the microprocessor toward the pin-1 
triangle in the socket, insert the microprocessor into the socket, and 
move it around slightly until you feel it settle into the socket.
cam lock screw 
						

							Removing and Replacing Parts109
When the microprocessor module is correctly seated, all four corners 
are aligned to the same height. If one or more corners of the module 
are higher than the others, the module is not seated correctly.
2Tighten the cam lock screw.
 NOTICE: Do not over or under tighten the screw. Tighten it until the screw 
indicator points to the closed or locked indicator on the socket.
3
Replace the microprocessor thermal cooling assembly.
4While pressing lightly down on the center of the retaining clip, insert a 
pry stick into the latch mechanism and pivot the top of the pry stick 
away from the clip to close the latch.
Video Memory Cache Card (Optional)
 NOTICE: Disconnect the computer and attached devices from electrical 
outlets and remove any installed battery. 
						

							110Removing and Replacing Parts
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 NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or 
by periodically touching an unpainted metal surface on the computer.
Removing the Video Memory Cache Card
1Follow the instructions in Preparing to Work Inside the Computer.”
2Remove the keyboard assembly.
3Remove the hinge cover.
4Remove the two 4-mm screws that secure the video memory cache 
card.
5Lift the video memory cache card out of the system board connector.
Replacing the Video Memory Cache Card
1Align the two screw holes and press down firmly to seat the card in its 
connector.
2Replace the two screws 
						

							Removing and Replacing Parts111
Palm Rest Assembly
Removing and Replacing the Palm Rest Inserts
1Keep the display open, and tilt the computer back so that you can 
access the bottom of the computer.
2Slide and hold the latch release on the left side, and remove any device 
installed in the media bay.
3Slide and hold the latch release on the right side, and remove any 
battery installed in the battery bay.
4Locate the indentation under each palm rest insert, place your thumbs 
on the indentation, and gently push to release the palm rest inserts.
palm rest inserts (2) 
						

							112Removing and Replacing Parts
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5Remove the palm rest inserts.
6To replace a palm rest insert, align it with the slots on the computer. 
Then press along the outside edges of the palm rest insert until it 
snaps into place.
Repeat the process on each side.
palm rest inserts