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11-03-2026 09:42 AM
Hi @suman48,
"Boot device not found" means the PC can't find the drive that Windows starts from. Often it's a BIOS setting or a loose connection, and sometimes a drive fault.
- Turn the PC off, hold the Power button for 15 seconds, and turn it on again.
- Press F10 at startup to open the BIOS and select Restore Defaults / Load Setup Defaults (F9). Save with F10, then restart.
- Press Esc, then F2 at startup and run the Hard Drive / Storage test in HP diagnostics.
HP guide: HP PCs - Hard disk 3F0 boot device not found error
If the drive test fails, the drive needs replacement. Please share your model and the test result.
I am proudly Mexican, a Computer Systems Engineer and an HP Community volunteer (not an HP employee).
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