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This is the message which comes up  on the screen when I restart the computer:

Boot Device Not Found

Please install an operating system on your hard disk.

Hard Disk -  (3fO)

F2  sYSTEM Diagnostics

For more information, Please visit : www.hp.com/go/techcenter/startup

 I have done  some of the things it's asking but I'm not getting started.  Please help.:

 

1 REPLY 1
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Hello @Kebichief 

 

Welcome !

 

  • Please, press F2 button to complete hardware diagnostics. Perform Quick/Fast UEFI test or Run-in test (whatever is available).  If these are not available, perform quick Hard disk drive test.   Let me know the results.
  • Can you provide any background information what happened for this message to appear - did you perform any update or change before that , did this unit have  operating system installed before ?  Any detail would be helpful.

 

Let me know how it goes

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