Maintenance and Service Guide

Service door and rear cover for use in federal models
Description Spare part number
Service door and rear cover for use in federal models 906112-001
Before removing the service door and rear cover, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
Remove the service door and rear cover:
1. Turn the computer upside down on a at surface.
2. Slide the release latch to the left to unlock the service door (1).
3. Slide the service door away from the bottom of the computer (2).
4. Loosen the 14 Torx captive screws (1) to release the rear cover.
Component replacement procedures 37