Desktop black screen solution after upgrading Win8.1 system

Cause analysis: Some models of intel+AMD display cards are configured. The display card driver is not compatible with the win8.1 driver.

Method 1: Users who have not upgraded to Win8.1

1. Before upgrading the win8.1 system, uninstall the Intel and AMD graphics card drivers in the device manager. As shown below:

2. After completing the above uninstallation steps, upgrade to Win8.1 system.

Method 2: Upgraded to Win8.1 and the black screen blue screen has been activated

1. Press and hold the “Power button” to keep the system shut down for about 5 seconds;

2. Press “Power button” to turn the computer on;

3. Repeat steps 1-2 3 times;

4. You will see the recovery screen, select “Advanced Recovery Options”---<quo;Troubleshooting” as shown below:

5. Select “Advanced Options 

6. Select “Start Settings”;

7. Click “Restart”;

8. Select “5.Enable security mode with network connection>;

9. Restart will enter security Mode, right click on the mouse "Start Menu" and select "Device Manager";

10. Uninstall Intel and AMD's graphics card drivers in Device Manager.