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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Boot Device Not Found (3F0B) & Sleep/Restart Issues

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02-26-2025 09:06 PM
I have an HP 250 G7 Notebook PC running Windows 10. Recently, my laptop has been displaying the error message:
"Boot Device Not Found. Please install an operating system on your hard disk. Hard Disk (3F0B)."
Additionally, I’m experiencing issues with sleep mode and shutdown:
- The laptop does not wake up properly from sleep.
- I have to forcefully shut it down and restart manually.
Troubleshooting Steps I've Tried:
- Checked BIOS (F10) – Hard drive status: [Detected/Not Detected].
- Ran HP Hardware Diagnostics (F2) – Hard drive test result: [Pass/Fail].
- Checked the hard drive connections.
- Tried booting from a Windows recovery USB.
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