Dell C521 User Manual download pdf (Page 41)

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Clearing CMOS Settings

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1. Follow the procedures in Before You Begin.

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2. Reset the current CMOS settings:

a. Locate the 2-pin CMOS jumper (RTCRST) on the system board. See Jumper Locations.

b. Remove the jumper plug from pin 1.

c. Place the jumper plug on pins 1 and 2 and wait approximately five seconds.

d. Replace the jumper plug on pin 1.

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3. Replace the computer cover. See Replacing the Computer Cover.

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4. Connect your computer and devices to electrical outlets, and then turn them on.

Flashing the BIOS

The BIOS may require a new flash when an update is available or when replacing the system board.

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1. Turn on the computer.

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2. Locate the BIOS update file for your computer at support.dell.com.

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3. Click Download Now to download the file.

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4. If the Export Compliance Disclaimer window appears, click Yes, I Accept the Agreement.

The FIle Download window appears.

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5. Click Save this program to disk and then click OK.

The Save In window appears.

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6. Click the down arrow to view the Save In menu, select Desktop, and then click Save.

The file downloads to your desktop.

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7. Click Close when the Download Complete window appears.

The file icon appears on your desktop and is titled the same as the download BIOS update file.

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8. Double-click the file icon on the desktop and follow the on-screen instructions.

Back to Contents Page

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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located 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.

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Dell C521 User Manual Page 41