No post after windows reinstall

[Felix k]

I was reinstalling Windows on my little brother's computer, but I couldn't get into the boot menu to select my USB drive. It either wouldn't show anything on the monitor if I pressed all the buttons I tried, or it would show the lock screen if I pressed nothing. After a few tries with every button I could think of, I decided to take the drive out of his computer, put it in mine, and install Windows on it there. Once I did that successfully, I moved it back to his computer, and it turned on, but there was no post.

 

I made sure the resolution matched his monitor, but it still didn’t work. I reinstalled Windows, and that didn’t work either. Neither of those seemed like they would be causing the issue, but it was all I could think

of.

 

[ivansgoobers]

35 minutes ago, Felix k said:

I was reinstalling Windows on my little brother's computer, but I couldn't get into the boot menu to select my USB drive. It either wouldn't show anything on the monitor if I pressed all the buttons I tried, or it would show the lock screen if I pressed nothing. After a few tries with every button I could think of, I decided to take the drive out of his computer, put it in mine, and install Windows on it there. Once I did that successfully, I moved it back to his computer, and it turned on, but there was no post.

 

I made sure the resolution matched his monitor, but it still didn’t work. I reinstalled Windows, and that didn’t work either. Neither of those seemed like they would be causing the issue, but it was all I could think

of.

 

First, why were you tweaking Windows in a no-post? also seems like maybe the board is gone. First try booting it without any USB devices, Front panel, HD audio, basically anything except one fan, 24 pin, EPS and 1 confirmed RAM stick. Could you give us any specs? 

[Felix k]

I can try the other things later, the reason I was tweaking windows was because that's the only thing I had changed he has all of his hard drives in the back so I haven't even opened the front panel so there's nothing I could have touched to break and it worked right before I took out the hard drive, and the hard drive still works

[Felix k]

The issue has been solved after a few days of troubleshooting anything that came to mind I remembered that even on cheap motherboards they usually have a small LED that displays different things if it's having an issue turns out it was a hardware problem so the first thing we tried replacing was the GPU because it's the easiest to swap out and it was that. I think it's too much of a coincidence that it happened right when I installed Windows so if anyone has an idea to get it working that would be helpful but I'm probably just going to sell it for parts.