Dell 540 manual Clearing Forgotten Passwords, Changing Boot Sequence for Future Boots

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The Boot Device Menu appears, listing all available boot devices. Each device has a number next to it.

4.On the Boot Device Menu choose the device you want to boot from.

For example, if you are booting to a USB memory key, highlight USB Flash Device and press <Enter>.

NOTE: To boot to a USB device, the device must be bootable. To ensure your device is bootable, check the device documentation.

Changing Boot Sequence for Future Boots

1.Enter system setup (see Entering System Setup).

2.Use the arrow keys to highlight the Boot menu option and press <Enter> to access the menu.

NOTE: Write down your current boot sequence in case you want to restore it.

3.Press the up- and down-arrow keys to move through the list of devices.

4.Press plus (+) or minus (–) to change the boot priority of device.

Clearing Forgotten Passwords

CAUTION: The computer must be disconnected from the electrical outlet to clear the Password setting.

1.Follow the procedures in Before You Begin.

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

3.Locate the 3-pin password connector (CLEAR_PW) on the system board (see System Board Components).

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.

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Contents Model Dcma Recommended Tools Technical SpecificationsSafety Instructions Before You BeginBack to Contents Replacing a PCI/PCI Express Card Installing a PCI/PCI Express CardRemoving a PCI/PCI Express Card Replacing the Card Retention Bracket Installed Removed Sound Card Replacing the Battery Replacing the Computer Cover Replacing the Processor Back to Contents Page Replacing a Hard Drive Replacing DrivesReplacing a CD/DVD Drive Replacing the FlexDock Replacing the FlexDock Drive Inserts Removing the FlexDock Break-Away Metal PlateReplacing the Drive Panel Insert Replacing the Media Card Reader Back to Contents Replacing Fans Replacing the Processor Fan and Heat Sink AssemblyReplacing the Chassis Fan 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 Rubber Foot Replacing the System Board Back to Contents Overview System SetupBoot Sequence Changing Boot Sequence for Future Boots Clearing Forgotten PasswordsFlashing the Bios Clearing Cmos SettingsBack to Contents Inside View of Your Computer Technical OverviewSystem Board Components ATX Power SATA0 Back to Contents
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