Windows 10: Black Screen after logon Windows 10 20H2

I have a number of PCs installed with build 1909 and have recently upgraded some to 20H2. I now get the black screen with an error event 1000 in explorer.exe when some users login. We use roaming profiles and the problem seems to effect any user who has previously logged in to a 1909 build, other users are fine if they never logged into a 1909 build.


I have tried all of the suggestions I have found in this forum for other black screen after login problems but explorer.exe always fails for those users. No amount of SFC, DSIM, drivers, registry changes, App Readiness etc have any impact. explorer.exe, even fails in safe mode and with a clean boot. Can't even start it from Task Manager as it fails after a couple of seconds.


Any ideas?

:)

 

New Crossfire setup black screen after windows logon

Need some help, I have just installed a 2nd Sapphire VaporX 7950, both cards are plugged and are connected with 1 crossfire connector. PC powers on fine and gets to the Windows logon screen then the screen goes black, any ideas what the issue is?

 

Black Screen Isuue in Window 10

Hi kashish,

I would appreciate you for trying troubleshooting steps.

To understand the issue better, I request you to answer few questions:

• Does black screen appear when you before user login’s or after user has logged in ?
  
• Does black screen appears when you lock your pc?

This problem occurs because of a change in the behavior of Win Logon and Logon UI. This change introduces the potential for the deadlock.

I would also suggest you to install all the updates available for the system and check if it helps.

Follow the Below steps:

• Type settings in the Search area on the taskbar and select Settings
• Select Update and Security.
• Click on Windows Update and select Check for Updates

Keep us posted with the status of the issue. We’ll be glad to assist if you need further assistance.

Thank you

 

Black screen after logon fixed, sort of, but...


Hey guys,

I upgraded Windows 8.1 to Win 10. Everything seemed to go okay, and the Win 10 logon screen appeared. But when I logged into my existing account, all I got was a black screen with a movable mouse pointer.

I thought that running Windows Update might fix it—but I couldn't do that because I couldn't see anything.

I tried booting to Safe Mode, but got the same black screen.

I tried various suggestions I found online. What finally worked was manually creating a new user account from a command line. Here's how, in case anyone's interested (hey, I'm a technical writer, I can't help it):

1. At the logon screen, hold Shift, click the "power" icon in the lower right corner, then click Restart.
2. On the screens that appear, clicked Advanced Options > Startup Settings > Restart.
3. When the list of startup options appears, press the number shown for Safe Mode with Command Prompt.
4. At the command prompt, type the following, then press Enter: net user test 12345 /ADD
5. Press Ctrl+Alt+Delete for the options screen, then click Restart. (Or you may have to click Log Off, then click Restart from the Win 10 logon screen—but don't hold Shift this time.)
6. Log onto the new "test" account (password 12345).

I now have a new account with a "virgin" Win 10 desktop. I've made it an Administrator account by opening User Accounts and, when prompted, entering my previous account's password. (To do this, your previous account must have been an Administrator account.)

I know I can now manually copy everything over from my previous account, then spend a whole day reconfiguring Windows and all my apps. However, I suspect that some of my previous account's settings are just conflicting with Win 10 and preventing it from starting.

Is there a way I can use the new account to change my previous account's settings (e.g. graphic options, startup tasks)? That'd sure be a lot easier. Thanks, A.