Follow the procedures in Before Working Inside Your Computer.
Save and close all open files and exit all open applications.
Shut down your computer. For Windows operating system, click Start > Image: Power button Power > Shut down.
NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.
Disconnect your computer and all attached devices from their electrical outlets.
Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
Remove any media card and optical disc from your computer, if applicable.
Remove the computer cover.
Installing the PCIe Card:
Push the expansion card into the card slot and secure the latch.
Install the plastic latch that secures the PCI card to the card slot.
Install the computer cover.
Follow the procedures in After Working Inside Your Computer:
Replace all screws and ensure that no stray screws remain inside your computer.
Connect any external devices, peripherals, or cables you removed before working on your computer.
Replace any media cards, discs, or any other parts that you removed before working on your computer.
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
