Dell 518 manual Clearing Cmos Settings, Flashing the Bios

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4.Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.

5.Wait for approximately five seconds to clear the password.

6.Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3 to enable the password feature.

7.Replace the computer cover (see Replacing the Computer Cover).

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

Clearing CMOS Settings

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located that shipped with your computer.

1. Follow the procedures in Before You Begin.

NOTICE: The computer must be disconnected from the electrical outlet to clear the CMOS setting.

2.Remove the computer cover (see Removing the Computer Cover).

3.Reset the current CMOS settings:

a.Locate the 3-pin CMOS jumper (CLEAR CMOS) on the system board (see System Board Components).

b.Remove the jumper plug from the CMOS jumper (CLEAR CMOS) pins 2 and 3.

c.Place the jumper plug on the CMOS jumper (CLEAR CMOS) pins 1 and 2 and wait approximately five seconds.

d.Remove the jumper plug and replace it on the CMOS jumper (CLEAR CMOS) pins 2 and 3.

4.Replace the computer cover (see Replacing the Computer Cover).

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

Flashing the BIOS

The BIOS may require flashing when an update is available or when replacing the system board.

1.Turn on the computer.

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

3.Click Download Now to download the file.

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

The File Download window appears.

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

The Save In window appears.

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Contents Page Safety Instructions Technical SpecificationsBefore You Begin Recommended ToolsBack to Contents Installing a PCI/PCI Express Card Replacing a PCI/PCI Express CardRemoving a PCI/PCI Express Card Replacing the Card Retention Bracket Installed Removed Sound Replacing the Battery Replacing the Computer Cover Removing the Computer Cover Removing the Processor Replacing the ProcessorInstalling the Processor Dell Inspiron Replacing a Hard Drive Replacing DrivesSATA0 SATA3 Replacing a CD/DVD DriveSATA3 Replacing a Media Card ReaderRemoving the FlexBay Break-Away Metal Plate Replacing the Drive Panel Insert Replacing the Processor Fan and Heat Sink Assembly Replacing FansReplacing the Chassis Fan Inspiron Back to Contents Replacing the Front Panel Replacing the Front I/O Panel Replacing Memory Modules Back to Contents Replacing the Power Supply Back to Contents Replacing the System Board Back to Contents Overview System SetupAdvanced Bios Features Boot Sequence Changing Boot Sequence for Future Boots Clearing Forgotten PasswordsFlashing the Bios Clearing Cmos SettingsBack to Contents Technical Overview Inside View of Your ComputerSystem Board Components Cpufan SATA2
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