48 Adding Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o mRemoving CardsCAUTION: Before you begin any of the procedures in this section,follow the safety instructions on page 7.NOTICE: To disconnect a network cable, first unplug the cable from yourcomputer and then unplug it from the network jack.1 Turn off the computer and devices, and disconnect them from theirelectrical outlets.2 Briefly press the power button.Pressing the power button when the computer is not connected to anelectrical outlet discharges residual electricity and can help preventsystem board damage.3 Remove the computer cover (see page 42).4 Disconnect any cables connected to the card.5 Remove the screw from the card bracket.6 Grasp the card by its top corners, and lift it from the system board.7 If you are removing the card permanently, reinstall a filler bracket.8 Replace the computer cover (see page 71).NOTICE: To connect a network cable, first plug the cable in to the networkjack and then plug it in to the computer.9 Plug your computer and devices into their electrical outlets, and turnthem on.Adding MemoryHINT: Memorypurchased from Dell iscovered under yourcomputer warranty.CAUTION: Before you begin any of the procedures in this section,follow the safety instructions on page 7.You can increase your computer memory by installing memory modules onthe system board. See page 75 for information on the type of memorysupported by your computer.NOTICE: To disconnect a network cable, first unplug the cable from yourcomputer and then unplug it from the network jack.1 Turn off the computer and devices, and disconnect them from theirelectrical outlets.