IBM Aptiva 2198, Справочное руководство

Страница: 81 / 186

Removing the cover
Important:
Read “Safety information” on page vii and “Handling static-sensitive
devices” on page 57 before removing the cover.
To remove the cover:
1. Shut down your operating system, remove any media (diskettes, CDs,
or tapes) from the drives, and turn off all attached devices and the
computer.
2. Unplug all power cords from electrical outlets.
3. Disconnect all communication cables (such as modem and network
cables) from communication outlets.
4. Disconnect all cables attached to the computer. This includes power
cords, input/output (I/O) cables, and any other cables connected to the
computer.
5. Remove the three thumbscrews located on the rear of the computer that
hold the cover onto the chassis. Use a screwdriver to loosen the
thumbscrews if necessary.
6. Slide the cover straight toward the rear approximately 25 mm (1.0 in.)
until it stops and lift the cover from the chassis.
Chapter 7. Installing internal options
59