Windows 10 black screen

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PercyM1

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I can't open windows 10 using parallels in my MAC. There is a permanent black screen
 

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Maria@Parallels said:
Sorry for the delay, when does the issue appear at first time, may be after Windows update?
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Maria, I've had the problem for months now. There seems to be updates happening in the background but I'm not sure if they're ever fully installed as I can't see, and therefore act upon, any screen prompts. I've tried reverting to a snapshot but that hasn't worked either.
 
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Just as a final update: I have been unable to conclusively identify which update caused the problem: it reoccurred sporadically after several different updates. And, given that the revirtualized machine has now taken several 1903 updates with no isssues, I've abandoned the effort. Unfortunately, I need to get revenue-generating work done. I filed a final technical report (323736913) on my current fully updated setup, and now hvae to move on. Sorry that I couldn't be of more assistance.
 
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I don't know if this is the same problem because I did not think my issue arose from updates . I'm running a 2018 MB Pro 13" with 16gb of ram with V. 15 Pro. I do a lot of document/spreadsheet/pdf work and often have many, many windows open at once in the VM. There will come a time when things begin to slow down to a crawl and before I can do anything the VM goes black. I've figured out work-arounds to save some of the open work and close open programs, but once it goes into this spiral it's basically hopeless and I have to restart the VM, causing all sorts of problems. Sometimes I can get it to display a window, but it is inaccessible to the cursor or keyboard.

I've always assumed it had something to do with memory usage, because Parallels does tend to spike CPU and memory. I've never noticed whether this happens during updates, and on the chance that it does, I am switching to being asked whether I want to install updates.

But has anyone else had a similar problem? This has been going on at least since V. 14 and always happens at the absolutely WORST time.
 
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This thread needs to be pinned. I just wasted over an hour trying to get Windows 10 to start and all I needed to do was Actions > Reset? What exactly does this operation do? Why doesn't Parallels offer this when it sees that Windows is not booting in the first place?
 
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Has there been a solution supplied for this issue. I am experiencing the same issue. Black screen after restart once auto updates have been applied in Windows 10. Happened on 01/25/2020. I really need to work in my VM.
 
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I too am having a problem with a black screen after logging in to a Windows 10 VM. Ctrl-Alt-Del will give me the usual options but selecting Task Manager just goes back to the black screen. I have booted into safe mode and turned off all services and start-up programs, as set out in KB124238. No different.
This is a new VM built from a physical installation using Transporter. When I first logged in, I didn't have the issue - it came after I was asked to install Parallels Tools and restarted.
Any ideas?
 
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Dean8 said:
Has there been a solution supplied for this issue. I am experiencing the same issue. Black screen after restart once auto updates have been applied in Windows 10. Happened on 01/25/2020. I really need to work in my VM.
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I used the reset solution that "RichardF8" did, and it worked! (all I needed to do was Actions > Reset?). I've been without my VM for almost 3 months with no reply from Parallel Support. Not sure if it's fixed but my black screen went away after another update auto applied and I'm working again. Thanks, RichardF8!
 
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The issue is not resolved. I am running Windows 10 (can't start it to give more details) on Parallels 16 (Version 16.1.1 (49141) on a MacBook Pro (MacOS 10.15.7)
Whenever I reboot the Windows system, it gets all the way to logging in the sole user account, then the screen goes black.
I can reboot into Safe Mode, but although I get all the way to a screen that is non-black (I can see the search bar at the bottom and the screen has "Safe Mode" listed in the corners) but attempting to click anywhere on the window gives an error message that the application is not responding, and my only choice is to wait or cancel, but cancel does nothing.

Since I cannot get into windows I can not try any of the actions suggested in the KB article referenced at the beginning of this thread, like turning off Fast Start (don't know if it is on or not).

Please continue to find a real solution for this problem.
Thanks!
Mark Batten-Carew
 
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I have this problem with Parallels 16 and the Windows developer update 20 version 21318. After I log in, I get a black screen. Changing user account does not work. Parallels/Action/Reset does not fix this. I tried it 3 times. Another VM on the same machine (a loaded Mac Pro) is fine. Fixing Windows by reinstalling it fixes the problem, but I lose all my applications!
 
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James Rome said:
I have this problem with Parallels 16 and the Windows developer update 20 version 21318. After I log in, I get a black screen. Changing user account does not work. Parallels/Action/Reset does not fix this. I tried it 3 times. Another VM on the same machine (a loaded Mac Pro) is fine. Fixing Windows by reinstalling it fixes the problem, but I lose all my applications!
Click to expand...
Note Start your PC in safe mode in Windows 10 (microsoft.com) Task Manager will not start. Sending Ctrl-shift-Windows B did nothing.
 
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I can boot into safe mode using power R from the login screen. No desktop, but the tool bar is active. Windows Update says something went wrong. Manually Installing Parallels Tools (from ISO) dies at 15% and says I must reboot.
 
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