If I restart, Windows breaks

[KiwiFalcon]

I can install Windows. I can use it, installing programs, games, listening to music etc. But the second I restart my PC (or shut it down and turn it back on) that Windows installation breaks. I have to reinstall it, and then if I restart after the reinstall, it breaks again.

I am installing Windows on an SSD, but that SSD is healthy, it's not broken. All hardware works fine. All BIOS tests I run, they turn out fine.

This PC is a prebuilt, with a different graphics card, and an added SSD, but those were added months ago, when I still had Windows 8. The model of the prebuilt, nonetheless, is an HP Envy H8-1413c.

Another thing, when I restart it, the HP logo flashes, and then the screen goes black, and it will keep doing that. The keyboard also reconnects and disconnects, in time with the flashes. To reinstall Windows, I hold esc, to get to the system menu, then boot off my DVD and install from there.

 

[KiwiFalcon]

Additionally, after the restart, if I go into the system recovery thing, and use cmd, type bootrec /scanos, it lists 0 identified Windows installs, so the shut down really screws up Windows.

Another thing is, if I use the system recovery thing HP provides and install Windows 8, I don't have that issue with Windows 8. Only with 10. And if I'm dual booting, if I shut down, Windows 10 will break but Windows 8 will be fine. I am installing Windows 8 on my HDD when I do that, however, with 10 on my SSD.

 

[okcnaline]

How is it "broken"?
And it sounds like a bad motherboard more than anything else.

 

[KiwiFalcon]

It's broken as in it won't boot anymore and I have to reinstall Windows 10 again.

 

[KiwiFalcon]

During a reinstall seeing if I could fix the problem by installing to my HDD, I found there is an X drive called boot. I did not make this partition, and I don't have a drive that I gave the letter X. What is this? On it there is a Windows folder and Program files and the like

 

[okcnaline]

Hm... Is there an HDD and an SSD? That makes sense... Back up your data to USB drives. Boot the Windows install disk, then format both HDD and SSD (should remove USB prior to this). After cleaning out both drives, shut the computer down, remove the HDD, then install Windows.