HP 500B - Microtower PC Maintenance And Service Manual page 24

9. Lift the card out of the computer.
Figure 2-18
10. If present, remove any cables connected to the add-in card.
Figure 2-19
11. Store the removed card in anti-static packaging.
12. If you are not installing a new expansion card, install an expansion slot cover to close the open
slot.
CAUTION:
slot cover for proper cooling of internal components during operation.
16 Chapter 2 Removal and Replacement Procedures Microtower (MT) Chassis
Lifting the card from the computer
Removing cables from the card
After removing an expansion card, you must replace it with a new card or expansion