Question SSD can't be used to boot

[Sancradean]

Hi! First time posting, not positive if this is where it should be so if I'm wrong please let me know! Anyway, I just got my new PC set up, plugged my SSD into it (the SSD has windows Installed on it already) and it won't boot! It comes up in bios under storage, but I can't find an option to set it as my boot drive. This is the same drive as my old PC, and was working perfectly fine until now. That, plus the fact that it's recognized in bios under storage has me convinced that the drive is still functional. Any help with this would be greatly appreciated, as I'm a total novice!

 

[USAFRet]

Hi! First time posting, not positive if this is where it should be so if I'm wrong please let me know! Anyway, I just got my new PC set up, plugged my SSD into it (the SSD has windows Installed on it already) and it won't boot! It comes up in bios under storage, but I can't find an option to set it as my boot drive. This is the same drive as my old PC, and was working perfectly fine until now. That, plus the fact that it's recognized in bios under storage has me convinced that the drive is still functional. Any help with this would be greatly appreciated, as I'm a total novice!

" (the SSD has windows Installed on it already) "

2 things.

1. Was there also a different drive in the old system? If so, that is almost certainly where the small boot partition lives
2. Even if #1 is not the case, your new system needs a fresh OS install.

Moving a drive+OS between systems has 3 possible outcomes:

1. It works just fine
2. It fails completely
3. It "works", but you're chasing issues for weeks/months.

You are at #2.

Fresh OS install.

How To - Windows 10 clean install tutorial

If you are looking for the Windows 11 Clean install tutorial, you can find that here: Windows 11 Clean install tutorial (Click here) Otherwise, welcome to the Windows 10 Clean install tutorial This tutorial is intended to help you, step by step, to perform a clean install of Windows...

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[Pextaxmx]

if the pre-installed Windows was legacy boot and the new computer is UEFI, (or vice versa) it won't boot. Try enabling (or disabling) CSM mode