Article Number: 000124359
Closed captions: English only
This article describes general troubleshooting steps for computers that are powering up correctly and passing the Dell BIOS screen at boot-up, but do not successfully boot to Microsoft Windows 10. Some symptoms of a computer being in a no boot state:
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.
If your computer does not complete POST, refer to article, "Dell PC does not turn on or boot into Windows"
If your hard drive is not recognized, refer to article, "How to resolve HDD/Hard drive issues on your Dell System"
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 that you should leave attached to your computer are your monitor, mouse, and keyboard, if the computer is a desktop.
Once this is completed, unplug the computer from the wall, remove the laptop battery (if applicable) and hold the power button down for approximately 15 seconds. Then plug wall power back into the computer and attempt to restart.
To run a hardware diagnostic on your Dell computer, refer to Resolve Hardware Issues With Built-in and Online Diagnostics (ePSA or PSA Error Codes).
Try searching for additional solutions on the Web.
Click your preferred search engine below, then describe your problem, including any specific error messages.
If you are experiencing a blue screen error on your computer, refer to Windows 10 crashes to a blue screen for common blue screen errors and how to troubleshoot them.
If you are experiencing a black screen that will not go into Windows, refer to Microsoft article Troubleshoot black screen or blank screen errors.
If your computer is set to first attempt to boot to another device, this may cause issues with successfully booting to Windows. To reset your computer's BIOS to factory defaults, perform the following steps:
The software may be causing your system to not boot properly. For more information about booting to Safe Mode, and to troubleshoot using clean boot troubleshooting, refer to the following links:
A clean boot is performed to start Windows by using a minimal set of drivers and startup programs. This helps eliminate software conflicts that occur when you install a program or an update or when you run a program in Windows 10. You may also troubleshoot or determine what conflict is causing the problem by performing a clean boot.Back to Top
Your computer may be affected by a virus or other malicious software. Dell recommends strengthening your PC against malicious attacks by keeping your anti-virus software up to date.
View our Virus and Spyware Removal Guide.
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If the previous troubleshooting could not resolve your 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, refer to Dell Knowledge Base article, "Reset or reinstall Windows 10 on a Dell computer"
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Out of warranty? No problem. Visit the Dell.com/support website and enter your Dell Service Tag and view our offers.
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17 Mar 2021