How to fix a computer that won't boot up (Official Dell Tech Support) by TechSupportDell   2 months ago

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Learn how to fix a computer that won't boot up. We show you how to troubleshoot and fix no boot issues for both Laptops and Desktops with easy to do steps.
Dell support article: No power, post, boot, video for Desktops... http://www.dell.com/support/article/us/en/19/SLN153751
Dell support article: No post for Notebooks... http://www.dell.com/support/article/us/en/19/SLN151805
For more information please visit http://dell.com/support
For support questions email us at dellcares@dell.com
TRANSCRIPT
Welcome to Dell Tech Support. Sometimes your system refuses to boot into Windows after starting up. In this video we will go through some basic troubleshooting to determine why your PC is not booting and help to resolve this issue. First we need to verify if you are experiencing what is called a ‘No Boot issue’ and not another type of failure. Check if the computer completes the POST which is the initial power up: it is the Power-On Self-Test. If the computer advances past the Dell logo splash screen, but then hangs when attempting to load the operating system, then it is most likely a No Boot issue. If this is the case, it is best to run a hardware diagnostic. Watch our tutorial on running the ePSA test which you can access at the end of this video (Diagnose Hardware Issues on your Dell Computer https://youtu.be/rMBIyeelQA0 ). If all the diagnostic tests pass, reboot your system and take note of any specific error messages. If there are some, contact us and we will help you with a resolution. You can also check to see if the peripherals are causing interference. With your PC off, unplug all external devices, such as USB drives, printers, cameras and phones. For desktop computers, it is okay to keep the monitor, keyboard and mouse connected to the system. You should also remove any external media like DVDs and CDs and memory cards. Restart your PC to see if it is able to boot. If it can you are good, but you should check which peripheral is the culprit. Test each separately by restarting the system with only one connected at a time. Another thing to try is to reset the BIOS back to default values. Restart the computer and repeatedly press the F2 key at the Dell logo until you enter the system setup. Look for an option reset to default settings. Then save and exit. If your system is still unable to boot into Windows, you can reset your PC or restore it to factory settings. Watch these topics for information and access these at the end of this video (How to Perform a System Restore https://youtu.be/j5OZPb0Wdp4 and Creating a Recovery Drive in Win10 https://youtu.be/FQA2LrSvMtg ). To go even deeper, check out the Dell article links provided in the description below for advanced troubleshooting techniques. Read the Dell articles on No POST / No Boot topics (for Desktops http://www.dell.com/support/article/us/en/19/SLN153751 and for Notebooks http://www.dell.com/support/article/us/en/19/SLN151805 ). If you have any questions or need additional help, contact us through our social media support through Facebook or Twitter and a Dell tech expert will be happy to assist you. Thanks for watching. Be sure to check out our other tips and tutorials available on this channel, and please don’t forget to subscribe.

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