Dell 755 Personal Computer User Manual


 
120 Expansion Cards
b
Rotate the riser-card cage handle up and gently pull on the handle to lift the riser-card cage up and
away from the computer.
4
Gently lift the release tab on the card retention latch from the inside to pivot the latch open. Pivot the
latch until it snaps into the open position.
5
If you are installing a new PS/2 serial port adapter, remove the filler bracket to create an empty card-slot
opening.
6
If you are replacing a PS/2 adapter that is already installed in the computer, remove the adapter.
7
If necessary, disconnect any cables connected to the adapter.
CAUTION: To guard against electrical shock, be sure to unplug your computer from its electrical outlet before
installing any cards or adapters.
8
Align the PS/2 serial-port adapter bracket in the retention slot and press down firmly. Ensure that the
adapter is fully seated in the slot.
9
Before you close the card retention mechanism, ensure that:
The tops of all cards and filler brackets are flush with the alignment bar.
The notch in the top of the card or filler bracket fits around the alignment guide.
1 riser-card cage 2 handle 3 riser cards (2)
1
2
2
3