I own HP notebook, my laptop has an error :
Boot Device not found
Please install an operating system on your hard disk.
F2 system Diagnostics
Above is the error message appearing on my system screen. My system is of MS windows 10 operating system.
Request you to show me a way to resolve the issue, so that no data erased from my system. Thank you.
The screen is telling you what needs to be done -- by pressing F2 to run system diagnostics.
Do that and tell us what it finds.
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