1. Adjust the right sidebar in the desktop mode of windows 8 operating system, click the "Settings" button at the bottom, and click the "Power" button in the panel that appears. At this point, a menu of options appears. Hold down the SHIFT key and click the "Restart" option.
2. Select "Troubleshooting", click "Advanced Options" in the page that appears, and select the last item "Startup Settings".
3. Click the restart button in the lower right corner of the page to restart the computer, and then enter the startup settings selection page. Press the number key 7 or F7 to select "7) Disable driver forced signature", and the computer will automatically boot into the desktop, so it is no problem to reinstall the driver. It should be noted that this is not a method to permanently disable digital signatures, and the computer restart will restore the original settings.