FOLLOW Anti-Static Procedures
Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.
Relieve your body of Static BEFORE, reaching inside your unplugged from power computer.
Computer on a table, computer unplugged from power, computer case open:
TOUCH an unpainted surface, of the metal frame of the open, empty desktop computer case.
This action will relieve your body of Static.
IF, you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return.
1) On the HP Support page above, click on - How to - in the list.
On the next page click on - Adding/Replacing hardware
Now click on -
Adding or Replacing an Expansion Card (Video Card/Sound Card,etc...)
[A video starts automatically when you go to the above page ]
Your Wireless Adapter Card is based on the PCI Express technology.
It uses a PCI-Express x1 slot,http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01324212&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=3740326
One of the two small Black slots at the bottom of the motherboard.
(Longer Black slot is a PCI-Express x16 slot. This is for a graphics card - ONLY)
PCI-Express x1 slots, and PCI-Express x4 slots, do not use a Lock on them.
A PCI-Express x16 slot, does have a Lock on it. A small lock arm.
(Gently PULL UP a little, to install graphics card, or remove. It looks like you press down. Nope. Up. )http://en.wikipedia.org/wiki/Pci_expresshttp://en.wikipedia.org/wiki/File:PCIExpress.jpg
(Starting at Top, going down;
,and PCI slot.
For additional questions please post in a Comment.