Adding Parts 75Adding CardsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions on page 9.1 Shut down the computer through the Start menu (see page 30).2 Ensure that your computer and attached devices are turned off. If your computer andattached devices did not automatically turn off when you shut down your computer,turn them off now.NOTICE: To disconnect a network cable, first unplug the cable from your computer and thenunplug it from the network wall jack.3 Disconnect any telephone or telecommunication lines from the computer.4 Disconnect your computer and all attached devices from their electrical outlets, andthen press the power button to ground the system board.CAUTION: To guard against electrical shock, always unplug your computer fromthe electrical outlet before opening the cover.5 Remove the computer cover (see page 71).NOTICE: Before touching anything inside your computer, ground yourself by touching anunpainted metal surface, such as the metal at the back of the computer. While you work,periodically touch an unpainted metal surface to dissipate any static electricity that could harminternal components.6 Lay the computer on its side so that the system board is on the bottom of the inside ofthe computer.7 Unscrew and remove the filler bracket for the card slot you want to use.filler bracket
