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ProblemWindows reaches sign-in or a user session

Black screen after Windows starts

The display goes black when entering Windows or after sign-in. If there was never a boot image or any sign of Windows, start with PC turns on but no display.

Try this first

1 quick checks · ~1 min

  1. Reset the graphics outputTry the Windows shortcut once.

Diagnostic signals

ObservationCtrl + Alt + Del shows a screen
If the security screen appears, you have a way to open Task Manager and inspect the session. It does not prove the driver is healthy.

Step-by-step solutions

01

Reset the graphics output

  • Estimated time: 1 min
  • Easy
  • Low risk

Try the Windows shortcut once.

  1. Press Windows + Ctrl + Shift + B. You may hear a beep or see a flicker.

  2. Check whether the picture returns before trying another change.

Sources:
02

Restart Explorer if the session is accessible

  • Estimated time: 3 min
  • Easy
  • Low risk

Use the security screen as an entry point.

  1. Press Ctrl + Alt + Del and open Task Manager if the screen appears.

  2. Find Windows Explorer and choose Restart. If absent, use Run new task, enter explorer.exe and confirm.

Sources:
Advanced

Advanced checks

Continue if the earlier steps did not help. Read each procedure’s precautions first.

03

Review a recent driver change

  • Estimated time: 5 min
  • Intermediate
  • Low risk
  • Administrator required
  • Restart required

Continue only with a usable display.

  1. If the picture returns and the issue began after a graphics update, open that adapter’s Properties in Device Manager.

  2. Under Driver, check whether Roll Back Driver is available. If access never returns, seek help entering recovery safely.

Sources:
Next step

Still not working?

If no Windows screen appears, tell support the last visible image and whether Ctrl + Alt + Del responds. Do not use this guide for a boot error or a PC with no image from power-on.

Sources

Documentation behind this guide. Editorial recommendations are identified separately.

Source review: . A documentation review, not a physical hardware test.

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Error code

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