Since I have my new hardware in my PC, I have a problem starting my computer. When it is off for several hours and I boot my pc windows hangs up at the login screen and shows me a black picture on my monitors. When I then reset the PC it loads windows normally and sometimes it is so that the primary taskbar is displayed on the secondary monitor. I have already tried a few things.

  1. primary monitor is stored as primary monitor in the windows display settings.
  2. i updated all system devices in the device manager and also updated my graphics card.
  3. i completely reinstalled windows (reinstalled windows and kept private data)
  4. check the monitors in the BIOS. I could not detect any abnormalities.

My setup:

  • Monitors: 1x 4k monitor (primary/display port/extended), 2x HD monitors (secondary/HDMI/extended) The 4k monitor and one HDMI monitor are cloned.
  • Graphics card: NVIDIA GTX 970
  • Motherboard: Asus Prime B350 plus
  • CPU: AMD Ryzen 5 2600X Six-Core
  • Hard disks: 1x SSD (Windows), 1x HDD (Data) The Windows folders Desktop, Documents, Downloads, Pictures are on the HDD

I hope someone still has some ideas how I can solve the problem, because resetting your computer at every start is not only time consuming but also not too good for the computer.

If you need any more information, I will be pleased to provide it.


Apparently, I solved the problem. I burned a Windows 10 Iso onto a DVD and started the Windows 10 installation from the DVD. During the installation I completely deleted all partitions, including the private data, and reinstalled Windows 10. Now my system boots normally again since 2 days.

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