Dell B110 service manual Clearing Forgotten Passwords, Changing Boot Sequence for Future Boots

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NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive to OFF in system setup.

1.If you are booting to a USB device, connect the USB device to a USB connector.

2.Turn on (or restart) your computer.

3.

When F2 = Setup, F12 = Boot Menu appears in the upper-right corner of the screen, press <F12>.

 

If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows

 

desktop. Then shut down your computer and try again.

 

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

4.

At the bottom of the menu, enter the number of the device that is to be used for the current boot only.

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 make sure that your device is bootable, check the device documentation.

Changing Boot Sequence for Future Boots

1.Enter system setup.

2.Use the arrow keys to highlight the Boot Sequence 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 the spacebar to enable or disable a device (enabled devices have a check mark).

5.Press plus (+) or minus (–) to move a selected device up or down the list.

Clearing Forgotten Passwords

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

1. Follow the procedures in Before You Begin.

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Contents Abbreviations and Acronyms Before You Begin Getting StartedRecommended Tools Turning Off Your ComputerOpen the computer cover Back to Contents Turn off your computerRemoving the Computer Cover Technical Overview Inside View of Your Computer System Board ComponentsPower Supply DC Connector Pin Assignments Minimum Current a Maximum Current a DC Power Connector P1 DC Power Connector P2Pin Number Signal name Wire Color DC Power Connectors P8 and P9 DC Power Connector P4DC Power Connector P6 Pin Number Signal Name 18-AWG Wire ColorDC Power Connector P7 Pin Number Signal Name 22-AWG Wire ColorTechnical Specifications MemoryComputer Information Connectors VideoAudio Expansion BusPower Controls and LightsPhysical EnvironmentalBack to Contents Advanced Troubleshooting Power LightsRemove and then reinstall the memory modules Network LightsDiagnostic Lights Light Pattern Problem DescriptionSuggested Resolution Yellow LEDBeep Codes Code CauseSystem setup program Enter the system setup program, verifySystem Messages Message Possible Cause Corrective ActionFDD System Setup Entering System SetupSystem Setup Screens OverviewSystem Setup Options Drive ConfigurationSystem Hard-Disk Drive SequenceBoot Sequence Memory InformationCPU Information Integrated DevicesBoot Sequence Option SettingsChanging Boot Sequence for the Current Boot Power ManagementClearing Forgotten Passwords Changing Boot Sequence for Future BootsEnter system setup Replace the computer cover Removing and Installing Parts Memory Installation GuidelinesHard Drive Power Supply Floppy Drive Battery MemoryInstalling Memory Shut down the computer through the Start menuReplace the computer cover Cards PCI CardsBefore installing any cards Front Panel Removing the Front PanelRemoving the Front-Panel Insert Remove the computer coverReattaching the Front Panel General Installation Guidelines Connecting Drive CablesDrives Hard DriveRemoving a Hard Drive Installing a Hard Drive Page Floppy Drive Removing a Floppy DriveInstalling a Floppy Drive CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Adding a Second CD or DVD Drive Page Processor Removing the ProcessorInstalling the Processor Page Fan Assembly Removing the Fan AssemblyReplacing the Fan Assembly Remove the microprocessor heat sink Remove the fan assembly System BoardRemoving the System Board Installing the System Board Reinstall the fan assemblyPower Supply Removing the Power SupplyReplacing the Power Supply Battery Replace the computer cover Replacing the Computer Cover
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