CAUTION: Before working inside your computer, read "Safety and EMC Instructions: Portable Computers" in your System 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 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 turned off and not in suspend or
hibernate mode. If you cannot shut down the computer using the computer
operating system, press and hold the power button for 4 seconds.
Ensure that the computer is undocked.
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.
Remove any installed PC Cards or plastic blanks from the PC Card
slot.
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 battery
before you service the computer.
Remove the battery from the battery bay.
To dissipate any static electricity while you work, use a wrist grounding
strap or periodically touch an unpainted metal surface.
Handle 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.
When you are removing and replacing components, photocopy the placemat as a tool to lay out and keep track of the screws. The placemat provides the number of screws and their sizes.
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.