IBM 6644 - Manual (Page 49)

36 User Guide
Disconnecting cables
To disconnect cables, do the following:
1. Remove any media (CD) from the CD-ROM drive and shut down your
operating system.
2. Read the “Safety information” on page vii.
3. Read “Handling static-sensitive devices” on page 33.
4. Turn off all attached external devices and turn off the computer.
5. Unplug the computer power cord from the electrical outlet.
6. Unplug the power cords for any attached devices from their electrical outlets.
7. Disconnect all communication cables (such as modem and network cables)
from communication outlets.
8. Disconnect all other cables attached to the computer.
Removing the computer cover
You must remove the computer cover to install internal options such as memory
and low-profile PCI adapters.
Attention: Proper cooling is necessary to avoid damage to your computer. Do not
operate your computer without all covers in place.
To remove the computer cover, do the following:
1. Disconnect all cables attached to your computer. See “Disconnecting cables”
on page 36.
2. Remove the screw 1 that secures the computer cover to the computer.
3. Carefully slide the computer cover forward 2, and lift the cover up.
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