Solution to black screen but sound when watching a movie in Win7
Some users watch movies in Windows 7 for a while, and the computer will be black, but the sound is still playing. In fact, this is mostly because the system has enabled the settings to automatically turn off the screen after a long period of time without operation. How should we set it? Next, let's take a look at the specific solution!
Specific steps:
1. Start from a single point and open the control panel;
2. Open the control panel, select the "small icon" mode to view, and click "power options ];
3. Click the time when the monitor is disabled;
4. Set the monitor to "never" and save the settings;
When watching a movie in Win7, there is a black screen, but the solution is introduced here. If the problem still persists after the setting, it is likely that the black screen caused by aging of the display tube, so the user needs to repair the display!