HP ProDesk 400 G1 Maintenance And Service Manual page 112

c.
If you are removing a PCI Express x16 card, pull the retention arm on the back of the
expansion socket away from the card and carefully rock the card back and forth until the
connectors pull free from the socket. Pull the expansion card straight up from the socket then
away from the inside of the chassis to release it from the chassis frame. Be sure not to scrape
the card against the other components.
6.
Store the removed card in anti-static packaging.
7.
If you are not installing a new expansion card, install an expansion slot cover to close the open
slot.
CAUTION:
expansion slot cover for proper cooling of internal components during operation.
102 Chapter 6 Removal and replacement procedures: Small Form Factor
After removing an expansion card, you must replace it with a new card or