Dell Dimension 4500 Owner's Manual page 78

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Adding Parts
NOTICE: To connect a network cable, first plug the cable into the network
wall jack and then plug it into the computer.
Connect your computer and devices to electrical outlets, and turn
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them on.
Right-click the My Computer icon and then click Properties.
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Click the General tab.
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To verify that the memory is installed correctly, check the amount of
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memory (RAM) listed (see page 90).
CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 9.
CAUTION: To guard against electrical shock, always unplug your
computer from the electrical outlet before opening the cover.
Your Dell™ computer provides a connector for an AGP card.
Shut down the computer (see page 22).
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NOTICE: To disconnect a network cable, first unplug the cable from your
computer and then unplug it from the network wall jack.
Turn off any attached devices and disconnect them from their
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electrical outlets.
Disconnect the computer power cable from the wall outlet, and then
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press the power button to ground the system board.
Open the computer cover (see page 66).
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