Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to install a pci card [title] Unplug your computer. [step] Power down your computer and then unplug the power cable and all the other cables that are connected to the back. If you were recently using your computer, wait a few minutes for it to cool before proceeding.

Ending1: [title] Run the " update windows " predrivers (ftp) utility program. [step] " ftp " utility programs come in a variety of different names including apkgb (free-to-use) and vlc (private-to-use). Ending2: [substeps] Note: some pci cards may require you to install drivers before installing the card, but these are rare. Always read the card's documentation before installing. Ending3: [title] Note any data on your printer or other device. [step] You will need to change the data in order to work with it. Ending4: [title] Remove your usb drive from the usb compartment on your computer. [step] This can be done by using a screwdriver to crack the " on " and " off " lock device, and then slide your usb drive out of the drive compartment.

Answer format: ending1/ending2/ending3/ending4