#Windows boot manager screen drivers#

So youвЂ™re going to need either a Recovery Disk/USB or an Installation Disk/USB. Since you canвЂ™t have the login screen, you canвЂ™t get into the Safe Mode directly.Press Win Key + P в†’ Press P again and hit Enter.Try changing the projection mode by pressing Win Key + P and trying out different combinations.

#Windows boot manager screen drivers#

Sometimes, changes in the drivers can cause the output to be transmitted to a different display port. Try connecting your display to different available output ports.Check connections to the external display.If there are any, click End Process in the Processes tab and Disable them in the Services tab.Check Processes and Services tabs for any instances of RunOnce.exe or RunOnce32.exe.Microsoft also suggests disabling RunOnce processes and services, in order to fix this black screen issue.Under Shutdown settings, disable Fast Startup.Click Change settings that are currently unavailable.Right click on it and click Uninstall.Open the Device Manager and locate your Display Device.Once your PC is started in Safe Mode, you can try either of the following options.Press F5 to select Safe Mode with networking. When your PC restarts, youвЂ™ll see a number of options.On that screen, select Troubleshoot в†’ Advanced Options в†’ Startup settings в†’ Restart When your PC is restarted, youвЂ™ll be prompted to the recovery screen.When you come to the login screen, Select the Power button while holding the Shift key.It is better if you can detach additional hard disks when youвЂ™re doing this. Sometimes, additional hard disks can also cause this problem.This way you can identify which device is problematic. If you have several external devices plugged in, remove all and try plugging them in one at a time.