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- HP Community
- Desktops
- Desktop Operating Systems and Recovery
- there is not a operation system on the desktop after i did r...

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06-12-2025 07:15 AM
Hi @244264.
Welcome to the HP Support Community.
Thank you for posting your query. I will be glad to help you.
Thanks for reaching out. I understand you're seeing the message: “Boot device not found. Please install an operating system on your hard disk” after running HP Recovery Manager on your HP Pavilion 595-P0039C Desktop. Let’s work together to identify what’s causing this and get you back up and running.
First, let’s run an HP Hardware Diagnostic Test and share the result:
Hard Drive test:
1) Shutdown the computer.
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears.
3) Press F2 once.
4) Go to Component test.
5) From the list, run the Hard Drive (extensive) test.
Memory test:
1) Shutdown the computer.
2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears.
3) Press F2 once.
4) Go to Component test.
5) From the list, run the Memory (extensive) test.
I hope this helps.
Take care and have a good day.
Please click “Accepted Solution” if you feel my post solved your issue, as it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!
VikramTheGreat
HP Support