If there's content or a cursor on the black or blank screen, try to restart the Windows Explorer process.
To open Task Manager and restart Windows Explorer:
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Select Ctrl +Alt + Delete, then select Task Manager.
Note: If you don’t see Task Manager after selecting Ctrl+ Alt + Delete, select Ctrl + Shift + Esc to open Task Manager.
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Under the Processes tab, search for Windows Explorer. Right-click Windows Explorer, then select Restart.
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If that didn’t work, select File in the top-left corner of Task Manager and select Run new task. Type explorer.exe, then select OK.
