Hardware Upgrades
To remove, replace, or add an expansion card.
1.Turn off the computer properly through the operating system and turn off any external devices. Disconnect the power cord from the power outlet and disconnect any external devices.
2.Remove the access panel and lay the computer on its side with the opening to internal parts where the access panel was located facing up.
3.On the rear panel of the computer, remove the screw that secures the slot cover lock in place 
and slide the slot cover lock away from the slots to remove it from the computer
.
Releasing the Slot Cover Lock
Photos depicted may vary as per actual machine
Hardware Reference Guide | www.hp.com/in |