Win8.1 notebook blackout solution when unplugging the power cord

Win8.1 notebook users can unplug the power cord, because there is a battery, so the system will not power off. However, when some users pull out the power cord, the computer always flashes and blackens. What is going on? This article will introduce the solution to the black screen when the Win8.1 notebook is unplugged.

Through analysis, the setting of the screen rate of the notebook is plugged in and unplugged, but we can solve it by the following settings.

Step 1: Right click on the desktop, select the screen resolution, and select Advanced Settings. This is the brush frequency of the computer. Both are set to the same 60HZ or 50HZ;

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