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HP Laptop - 15t-dw200 CTO
Microsoft Windows 11

 I purchased a 15t-dw200 just about a year ago.  I left the computer on the table for less than 10 minutes, came back to a black screen. It wouldn’t turn on. I tried to restart by holding the power button. Once the screen came on it shows: Boot Device Not Found. Please install an operating system on your hard disk. 
Hard Disk (3FO).

 

I have tried F2 diagnostics. The quick hard drive test passes as well as the Extensive check. 

I have no idea what to do.

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