What to do when you upgrade Win8.1 black screen?

Some friends of the system to upgrade to the Win8.1 after the black screen or blue screen, Microsoft official explanation is mainly due to the Win8.1 system upgrade after the display of device-driven compatibility issues caused by the proposed operation: Open Device Manager to update the hardware driver, or access to display devices and graphics corresponding to the official website, according to the device model download installation for wind Driver for oWS 8.1. We will arrange the specific operation method as follows.

　　Upgraded to Win8.1 and appears to boot black screen: Enter Safe Mode uninstall video driver, then reload correct drive

Press and hold the "power button" to keep the system shut down for about 5 seconds;

Press the "power button" to boot the computer;

Repeat the above steps many times; The recovery interface appears, and selecting the Advanced recovery options-Troubleshooting is shown in the following illustration:

WIN8 system machine will automatically enter the System selection list, we continue, troubleshoot, turn off the computer three options to choose "Troubleshooting." After you enter the troubleshooting selection interface, select advanced Options.

Diagram: Troubleshooting-Advanced options

In the advanced options, we can see the System Restore, System image recovery, automatic repair, command prompt, startup settings, and so on, where we select "Startup settings."

Diagram: Startup settings

Entering the WIN8 system's "Startup settings", we can see the specific description, which includes "Enable security mode". Click on the "Restart" button. Select Enable Safe mode or enable secure mode with network connections.

Diagram: Reboot WIN8 system

After restarting into Safe mode, right click on "Start Menu" to select "Device Manager".

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

After completing the uninstall steps above, the login notebook brand official website update is applicable to your model of win8.1 graphics driver.

　　To remove an existing display card driver before upgrading to Win8.1

In order to prevent the installation of Win8.1, because the video card driver is not compatible with a black screen or blue screen, we can upgrade the win8.1 system before the Intel and AMD in the Device Manager uninstall the display card driver. In other words, repeat the last few steps above. Right-click on "Start Menu" to select "Device Manager".

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

After completion of the above uninstall steps, and then through the application store to upgrade to the windows8.1 system, upgrade after the completion of the equipment brand official website to update the applicable models of win8.1 display card driver.

　　Use the Graphics driver Uninstall Tool "Display Driver uninstaller" (DDU)

The Graphics driver Uninstall Tool "Display Driver uninstaller" (DDU) can help with the inability to uninstall the graphics program through the control Panel or to remove traces left by the graphics driver. After testing, it can well in Windows 8.1 uninstall the original driver, and then install a new compatible driver, remove the black screen annoyance. (Note: Ddu supports versions of systems including Windows 8.1, but only AMD, NVIDIA, and Intel are not supported.) )

For best results, Ddu disables the Windows Update Automatic Update video card driver by default, and users who need it can change back after the operation is complete (reset Windows Update Driver setup to default). It is also strongly recommended that you run in Safe mode.

There are three types of usage patterns, it is highly recommended to clean the driver and reboot directly, not restart may cause problems such as black screen, in addition to cleaning and then shutdown, easy to install the new video card. Ddu recently released the latest version of 9.7, recommending Windows 8.1 Users who are encountering problems to try.

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