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Why is my computer not displaying correctly on an external monitor connected with DisplayPort after a driver update?

< 1 min read

  1. Test alternative connection methods, such as an HDMI or VGA cable, to see whether the display is functioning correctly.

  2. Check the power connection to the external monitor.

  3. Check whether the cable is correctly and securely connected to the monitor.

  4. Perform a system restore to restore the computer to a prior, stable configuration in which it functioned correctly.

  5. Check whether the monitor is still supported by the operating system. If not, the driver must be updated.

  6. Check the Windows display settings.

  7. Check if the update is conflicting with the graphics card driver.

  8. Disable Fast Start to see if the external monitor will start to display correctly.

  9. Inspect the external monitor to ensure that it is functioning correctly.

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