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The procedures in this document may require the following tools:
Small flat-blade screwdriver
Phillips screwdriver
Small plastic scribe
Flash BIOS update program CD (see the Dell Support website at support.dell.com)
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off
your computer.
1. Shut down the operating system:
In Windows Vista®:
Click Start
, then click the arrow in the lower-right corner of the Start menu as shown below, and then click
Shut Down.
In Windows® XP:
Click Start® Turn Off Computer® Turn Off.
The computer turns off after the operating system shutdown process is complete.
2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not
automatically turn off when you shut down your operating system, press and hold the power button for about 6
seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on
your computer.
1. Replace the cover
.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. Verify that the computer works correctly by running the Dell Diagnostics. See Dell Diagnostics
.
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