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‎06-08-2025 02:31 AM

HP Recommended

Boot device not found please install an operating system on your hard disk hard disk (3F0) F2 system diagnostic 

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1 REPLY 1

‎06-08-2025 05:33 AM

HP Recommended

That error typically means the hard disk is failing, but it can also be caused by something interfering with the boot process.

From the screen that is displaying that message, press the F2 as suggested. 

If that does not work then -

Run the Diagnostics routine, Start tapping the Esc key BEFORE starting the PC and then press the start button.

Keep tapping the Esc key until a popup menu shows. Then pick Diagnostics from that popup menu, F2.

Report back with the results. Also need the PC model number.


I'm not an HP employee.
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