Sometimes you have to press uncomfortably hard to get the card to slide into the slot. If youre replacing an existing card remove the same screw and then take off the antenna from the back of the card.

How To Install A Wireless Networking Card Tech Advisor
How to install a network card. Line up the connectors on the bottom of the card with the connectors in the expansion slot and then press the card straight down. Section 2 lesson 3. Computer network nic card install duration. Install into expansion slot today network cards connect to the pcislot. Once the card is in the expansion slot place a screw into the top of the card to hold the card into position. Insert the network interface card into the slot.
Expand the components menu on the left then expand network. Now take the nic card and install it into one of the pci. To do this you will need to open your computer so that you can access the insides. Take your card whether wireless or not line up the connectors on the bottom of the card to the slot on your motherboard. On the right hand side of the window look for an entry that is called a wireless adapter. After this put the screw back into place and tighten the network card into place.
Pci cards need to be installed onto your computers motherboard. Chipsystems in 4988 views. Ensure that you have an antistatic wrist strap attached to your wrist and grounded to the pc when working with it. Locate an available slot in the computer and gently push the card into the slot until it snaps into place. You will need to apply some pressure but dont force it in. Replace the screw holding the backing plate in place and check that the card sits securely.
Press the windows key r then type msinfo32 into the box. Open the pc case. Now its time to install the new card. Push down gently at first ensuring you have the pins lined up correctly with the slot and then apply more force to slot the card home. When its clear simply pull out the card pulling straight up and set it aside. Then push it down till it clicks.
It should either pop off or need to be unscrewed with your fingers. Remove the strap before you switch on the power. The power should be off when you do this. Finally replace the sides of your case and plug your machine back in. Installing a pci card wireless network adapter duration. Secure the network interface card.
Lay the case on your table or workbench with the connectors on the back closest to the work surface.