the black screen doesnt appear at a certain moment. it appears at random times altho i havent seen it in the boot screen. if im lucky it goes black after 15 minutes

thanks for your attention but it doesnt work :| im going to call my service to see if he works. i guess its something from the video card and not the windows altho i didnt have this problem when i...

well when i turn on my computer bcs of my preinstallation attempt which failed now i either have to reset the pc which i cant or turn off my pc or troubleshoot

nah i dont have an image. and i cant even preinstall now... i guess a mechanic has to look at it now

Okey so u redirected me here. Yesterday i installed windows 10 from windows 7. I was happy that it worked and started downloading LoL and deleted all my files in D and E. But i had no choice except...