Some friends have encountered a black screen or a blue screen after upgrading the system to Win8.1. The main reason explained by Microsoft is that the Win8.1 system upgrade shows the compatibility of the device driver. Suggested operation: Open the device manager to update the hardware driver, or Access the display device and the official website corresponding to the graphics card, and download and install the driver for Windows 8.1 according to the device model. We will organize the specific methods of operation as follows.
Upgraded to Win8.1 and launched a black screen with blue screen: Enter safe mode to uninstall the graphics driver, then reinstall the correct driver
Press and hold the “Power button” for about 5 seconds, the system shuts down;
Press “Power button” will turn the computer on;
repeat the above steps multiple times; the recovery interface appears, select “Advanced recovery option —— Troubleshooting” as shown below:
Win8 system machine will automatically Enter the system selection list, and we select <;Troubleshooting" in the three options of Continuing, Troubleshooting, and Turning Off the Computer. After entering the troubleshooting selection interface, select “Advanced Options”.
illustration: Troubleshooting & mdash;
advanced options in the advanced options, we can see a system restore, system restore printing, auto repair, the command prompt, boot settings and other options, Here we choose “Startup Settings”.
Into the Win8 system, "Startup Settings", we can see the specific description, which includes "Enable Security Mode". Click the Produce “Restart” button. Select “Enable Safe Mode> or “Enable Safe Mode with Network Connection”.
Restart Win8 system
After rebooting into safe mode, right click on the “Start menu" > Device Manager”.
Uninstalling Intel and AMD graphics card drivers in Device Manager.
after completion of the uninstall procedure, log on the official website of the brand notebook graphics driver update win8.1 apply your models.
Precautions have not been upgraded to Win8.1 before deleting the original display card driver
In order to prevent the appearance of Win8.1 after the installation of Win8.1 is not compatible with the black screen or blue screen, we can upgrade the win8.1 system Previously, uninstall the Intel and AMD graphics card drivers in Device Manager. That is to say, repeat the last few steps above. Right click on the “Start Menu”Select“Device Manager”.
Uninstalling Intel and AMD graphics card drivers in Device Manager.
After completing the above steps to uninstall, and then upgrade to windows8.1 system through the application store, update for models through equipment brands official website win8.1 After upgrading your graphics card driver.
Use the graphics driver to uninstall the tool "Display Driver Uninstaller" (DDU)
Graphics driver uninstall tool "Display Driver Uninstaller" (DDU) can help to uninstall the graphics card program through the control panel, or to delete the graphics card The traces left by the drive. After testing, it can very well uninstall the original driver in Windows 8.1, and then install a new compatible driver to unlock the black screen. (Note: DDU supports all versions of the system including Windows 8.1, but only supports AMD, NVIDIA, and does not support Intel.)
For best results, DDU will disable Windows Update to automatically update the graphics driver by default. The user can change it back after the operation is completed (reset the Windows Update driver installer to the default). At the same time, it is highly recommended to operate in safe mode.
There are three usage modes. It is strongly recommended to clean the driver and restart it directly. If it is not restarted, it may cause black screen and other problems. In addition, it can be cleaned and then shut down to facilitate the installation of a new graphics card. DDU recently released the latest version 9.7, recommending Windows 8.1 users who have encountered problems.
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