Dell Dimension 5100C - Clearing CMOS Settings

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11. Connect your computer and devices to electrical outlets, and turn them on.
Clearing CMOS Settings
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1. Follow the procedures in "Before You Begin."
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2. Remove the computer cover.
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3. Remove the hard drive.
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4. Reset the current CMOS settings:
a. Locate the 3-pin CMOS jumper (RTCRST) on the system board.
b. Remove the jumper plug from pins 2 and 3.
c. Place the jumper plug on pins 1 and 2 and wait approximately 5 seconds.
d. Replace the jumper plug on pins 2 and 3.
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5. Replace the hard drive.
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6. Replace the computer cover.
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7. Connect your computer and devices to electrical outlets, and turn them on.
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.