Article Number: 000147490
This article describes troubleshooting computers that are powering up correctly and passing the Dell BIOS screen at boot-up, but do not successfully boot to Microsoft Windows
In many cases a computer will not attempt to hand off control to the operating system. If you power the computer on and you see a Dell logo screen with a bar at the bottom, and that bar fills up completely and disappears, then your computer has successfully completed POST.
Click Here if Your Computer Does Not Complete POST
A piece of hardware may be interfering with the normal boot process of Windows. Try unplugging all devices from your computer, including:
The only devices you should leave attached to your computer are your monitor, mouse and keyboard, if the computer is a desktop.
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Dell has information on some specific error messages at startup. Refer to the following links for more information:
To run PSA Diagnostics:
This test takes approximately 5 minutes.
If you receive an error from the PSA diagnostics, refer to the Dell Hardware Diagnostics page for further assistance:
Click Here to Troubleshoot Diagnostic Errors
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If you are able to successfully boot to Safe Mode, check your computer to see if any new software or hardware was recently installed. If so, try uninstalling those programs or hardware from your computer.
If you are able to successfully boot to Safe Mode, attempt to boot to Last Known Good Configuration to undo any recent changes that prevent the system from booting since the last boot cycle.
If you are able to successfully boot to Safe Mode, check your computer to see if any new software or hardware was recently installed. If so, try uninstalling those programs or hardware from your computer.
The Windows XP CD provided with your computer contains an option to replace the system files on Windows XP, effectively refreshing the installation of Windows.
To learn more about using Startup Repair to restore critical Windows files, click the link below:
How to Perform a Windows XP Repair Installation
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Windows XP contains a feature known as System Restore to roll back changes to the computer based on "restore points" that are commonly scheduled by Windows. This functionality is available through Windows Safe Mode with Command Prompt.
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A program or application may be interfering with the normal boot process of Windows. Microsoft has created a detailed process for isolating a startup program that is causing Windows to not boot correctly.
Click the link below to being the troubleshooting process:
How to perform advanced clean-boot troubleshooting in Windows XP
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If clean boot troubleshooting cannot identify the issue, it may be necessary to restore your computer to factory settings.
To restore your computer's operating system and software to the original factory settings, launch the link below:
Launch the Microsoft Windows Reinstallation Guide
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30 Jul 2021
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