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 Product Information Guide that came with the computer.
CAUTION: To prevent static damage to components inside your computer, discharge static electricity
from your body before you touch any of your computer's electronic components. You can do so by
touching an unpainted metal surface.
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.
Ensure that the work surface is flat and clean to prevent scratching the computer cover.
Save any work in progress and exit all open programs.
Turn off the computer and all attached devices.
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.
If the computer is connected to a docking device, undock it.
Disconnect the computer from the electrical outlet.
To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any
attached devices.
Disconnect all other external cables from the computer.
Close the display and turn the computer upside down on a flat work surface.
NOTICE: To avoid damaging the system board, you must remove the main battery before you service the
computer.
Slide the battery-bay latch release on the bottom of the computer, and then remove the
battery from the bay.
1
battery-bay latch release
2
battery
Recommended Tools
The procedures in this document require the following tools:
#1 Phillips screwdriver
¼-inch flat-blade screwdriver
Small plastic scribe
Flash BIOS update program (see the Dell Support website at support.dell.com)
Computer Orientation
1
front
2
left
3
back
4
right
Screw Identification
When you are removing and replacing components, print "Screw Identification" as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.
Hard Drive:
(2 each)
Optical Drive:
(1 each)
Keyboard:
(2 each)
Modem:
(1 each)
Display Assembly:
(4 each)
Display Bezel:
(rubber bumpers — 6 each)
(screws — 6 each)
Display Panel:
(8 each)
Palm Rest: (top)
(1 each)
Palm Rest: (bottom)
(13 each)
MCH Heat Sink
(2 each)
(1 each)— for a computer with a video card/thermal-cooling assembly
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