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#Parallels client black screen full#
If you continue to see black screens after you confirm that you have the latest updates, perform a full memory dump and include it in a support case.įind the steps to enable and collect a dump file at Collect an OS memory dump Contact us for help HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DelayedDesktopSwitchTimeout HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\FirstLogonTimeout HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AppReadinessPreShellTimeoutMs If the black screen is tied with AppReadiness issues, set the following registry entries for the AppReadiness pre-shell task, and then change the first sign-in’s timeout window to 30 seconds to avoid the black screen for the first user’s sign-in. Back up your registry keys anytime that you test changes. Workarounds should not be considered long-term solutions. Addresses an issue that displays a black screen to Azure Virtual Desktop users when they attempt to sign in. Troubleshooting Specific Remote Desktop problems. Verify that the server, client, and the network equipment using the 'MTU' size. Disable the use of Bitmap Caching on the Remote Desktop Protocol (RDP) client. October 20, 2020-KB4580390 (OS Build 17763.1554) Preview ()ĭesktop gets a black screen due to shell not starting AppXSvc deadlock. A black screen appears for a while, until the regular desktop appears. November 19, 2020-KB4586839 (OS Build 17763.1613) Preview ()Īddresses an issue that displays a black screen to Azure Virtual Desktop users when they attempt to sign in. September 16, 2020-KB4577069 (OS Build 17763.1490) Preview ()Īddresses an issue where the WVD user might experience a blank screen during sign-in. Resulting in failed user sign-in or black screen in WVD scenario.
The AppReadiness service sometimes fails to shut down waiting for some COM objects to disconnect.
Verify that you have the latest updates, as blank screen updates are being released on a near-monthly basis. This list does not cover every possible reason a black screen can occur. The following list contains known scenarios causing black screens, and the non-security fixes which address them. These sign-in issues may also occur in the RDS environment, where user profiles are created every sign-in and deleted every sign-out.
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