Windows 10: Windows 10 not booting after booting from different disk

Hello everyone, I upgraded my PC lately and as such installed a fresh version of Windows on a new drive this is my current system and migrated the data that I knew I'd need to the new system manually. The SSD with the old system was still connected to the PC because I occasionally booted from it to get a config file for a program or something.Yesterday, I did exactly that and after restarting, the new system wouldn't boot anymore and wouldn't even allow me to safe start it or anything, just a white loading spinner on a black screen that ran for at least 30 minutes and here's basically where

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windows 10 slow boot

I was having a slow boot issue on my Windows 7 install a little while back. It would take about 30 - 40 extra seconds to boot up for whatever reason.

I would try following these steps, while this didn't solve my issue, it did increase Read/Write to where it should be.

10 Tips for SSD Optimization in Windows 7 - Part 1

Looks to be similar to this: https://www.back2gaming.com/focus-story/ssd-optimization-for-windows-10-windows-8-and-8-1/


In the end, I had to reinstall my Windows 7 entirely to fix the booting issue. It was taking around 35 seconds to boot, and after the fresh install it takes about 7 seconds to boot.

 

Boot Emergency!

No it doesnt show. Only my OS drive.

Its there and it says it running and normal.

Anyway I just had the same boot problem on reboot. Everything was fine 10 minutes ago. Now it wont boot without my manually selecting the drive.

 

no boot

hi, new pc builder here. i just built a pc and tried to boot it up with a windows xp disk that came with my old computer. nothing happens, and it may be because i have a crippled disk, that is, maybe it is just a restore or repair disk. in any event, i won't buy windows again until windows 7 is issued and maybe not even then. in an attempt to get the new system to boot up i just ordered an ubuntu linux disk. if the linux disk does not get the pc booted up, what suggestions does the forum have? for background info, i can get the bios without a problem. i also get some memory test screen all the time also (the odd thing about the memory test screen is that it says that the system has a cpu that i definitely did not build the pc with). any ideas from the forum members for getting this system booted up? thanks for your suggestions.