Windows 11 Upgrade Guide
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I recently updated the BIOS on my HP Spectre X360 via the HP Support Assistant App. After the update my PC began to experience numerous issues.
Clock is out of sync.
Vertical Lines and Flashing Screen
Black or white screen
HP Spectre x360 Convertible 15-bl1XX
Windows 10 Home 64-bit Version: 18363.815
Welcome to HP Community
I have gone through your Post and would like to help
I suggest you perform a BIOS Rollback since the issue started after the BIOS update. Please refer to this Link: https://support.hp.com/in-en/document/c02693833
Keep me posted
If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.
KrazyToadI Am An HP Employee
Thanks. I will do the Bios Roll Back and keep you up to date,
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