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Preparing to Work Inside the
Computer
NOTICE: Only a certified service technician should perform repairs on your system. 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.
1Make sure that the work surface is clean to prevent scratching the computer cover.
2Save any work in progress and close all open application programs.
3Turn off the computer and all attached devices.
NOTE: Make sure the computer is turned off and not in
4 seconds.
4Make sure the computer is undocked.
5Disconnect the computer from the electrical outlet.
6To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices.
7Disconnect all other external cables from the computer.
8Remove any installed PC Cards or plastic blanks from the PC Card slot.
9Close 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 and secondary battery (if present) before you service the computer.
10Remove the primary battery from the battery bay and the secondary battery from the modular bay, if a secondary battery is in use.
11Remove any installed device in the modular bay.
12To dissipate any static electricity while you work, use a wrist grounding strap or periodically touch an unpainted metal surface.
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Before You Begin