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Windows 7 - black screen, nothing helps
Hi I have Windows 7 on my Acer laptop. I did something with Windows Defender or Updater (Enable/Diseable) then when I boot windows only black screen with cursor and I can not do anything(ctrl+alt+del,5x-shift) nothing. I tried searching on Internet then I tried all things which I have found. Safe mode, repair mode but still only black screen. If I can at least run TASK manager but i cant. I have dual boot Windows7/Ubuntu. Ubuntu runs good so I think there are no hardware problem. Any ideas what can i do?