NOTICE: Before disconnecting a device from the computer or removing a
component from the system board, verify that the standby power light on the
system board has turned off. To locate this light, see "System Board
Components."
Turn off the computer and devices, disconnect them from their
electrical outlets, wait at least 5 seconds, and then remove the
computer cover.
Insert the two bottom tabs in the slots in the chassis wall. Then, rotate the
card guide toward the front chassis wall until the top tab snaps into the slot
in the front chassis wall. See "Removing the Expansion-Card Guide."