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The procedures in this document may require the following tools:
• Small flat-blade screwdriver
• #0 Phillips screwdriver
• #1 Phillips screwdriver
• Small plastic scribe
• Flash BIOS update program CD
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 4 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.
CAUTION: To avoid damage to the computer, use only the battery designed for this
particular Dell computer. Do not use batteries designed for other Dell computers.
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