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Preparing to Work Inside the
Computer
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.
1Make sure that the work surface is flat and 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: Before turning off the computer, make sure the computer is not in a
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.
10Remove the battery from the battery bay.
NOTICE: To avoid component damage, always remove any installed batteries before you service the computer.
11Remove any device installed in the modular bay.
12To dissipate static electricity while you work, periodically touch an unpainted metal surface on the computer chassis.
13Handle components and cards by their edges, and avoid touching pins and contacts.
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Before You Begin
