NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
3Disconnect all telephone or network cables from the computer.
NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.
4Disconnect your computer and all attached devices from their electrical outlets.
Removing the Computer Cover and Front Panel
Removing the Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTICE: 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 on the computer.
1Follow the procedures in "Before You Begin" on page 151.
NOTICE: Opening the computer cover while the computer is running could result in a shutdown without warning and a loss of data in open programs. The computer cooling system cannot function properly while the cover is removed.
2If you have installed a security cable, remove it from the security cable slot.
NOTICE: Ensure that sufficient space exists to support the removed
NOTICE: Ensure that you are working on a level, protected surface to avoid scratching either the computer or the surface on which it is resting.
3Lay your computer on a flat surface with the cover facing up.
4Pull back the cover latch release.
NOTE: The computer in the following images is configured as a tower computer. See "Changing Between Tower and Desktop Modes" on page 30 for information regarding computer orientation.
Adding and Replacing Parts
