Having a problem monitor or constantly blinking is one of the most frustrating situations for those who work with one, whether as a main screen or a secondary screen. We help him solve it by pointing out the most likely causes.
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20/08/2026
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Sand works with a monitor as the main computer screen or chooses to always have a second screen, it is likely that at some point you will start to notice problems in operation in the form of intermittent glows.
Of course, this is an undesirable situation and, even if buying a new one may be the easiest decision – depending on your budget and level of frustration – it is always better to try to understand the origin of the problem and solve whatever may be wrong.
It's to help you eliminate potential chances that techAll site made a list of the most likely causes that might help explain why your monitor screen won't stop blinking for no apparent reason.
If you are going through this type of situation, we recommend you take a look at the list below with the most likely causes of this strange behavior. If after all these checks the problems persist, we recommend that you consult specialized technical support or consider purchasing a new monitor.
The most likely causes for monitor problems:
- Try removing the cables and reconnect them;
- Check that the monitor cables are in good condition;
- Try other cables or a different input;
- Change the screen update rate to that recommended by the manufacturer;
- Change resolution;
- Update or reinstall the video driver on the computer;
- Try using the monitor with another computer;
- Check for hardware problems – related to the video card, RAM, motherboard or power supply;
- Test another socket or a different extension to ensure that this is not an instability in the power grid.