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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Desktops
- Desktop Boot and Lockup
- Power button keeps turning on and off , shows blank display

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01-08-2021 12:50 PM
Thank you for posting on HP Support Community.
Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:
Completely resetting the computer can resolve many issues that cause a blank screen. Follow these steps to perform a hard reset:
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Turn off the computer.
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Disconnect all peripheral devices and remove all USB devices and media cards.
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Disconnect the AC power adapter.
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Press and hold the power button for at least 15 seconds.
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Reconnect the AC power adapter.
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Turn on the computer.
If the blank screen issue is resolved, you are done.
Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
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I am an HP Employee