The same problem can be with the power cable or cord that connects the monitor with the socket. So, just examine the cable that connects the monitor to the system and see whether it is loose or not. In the case of the monitor turning OFF and ON, this can be a loose display cable. Cause 2: Loose CablesĪt times, carelessness or a silly thing can be the cause of this monitor issue. In the case of a very old CRT model, consider replacing it with a flat-panel display to fix several heat-based issues at once. If aging capacitors are the cause, consider reducing the brightness of your monitor.ĭoing so consumes less power due to which you can then use the monitor. Allow the room to cool prior to using the monitor again.
If the room in which the computer is present is hot, cool it down via an AC or a fan. Alternatively, you can use anti-static canned air to blow away the dust inside the casing of the monitor. Before you put it back to use, do clean the vents using a vacuum cleaner gently. If overheating is the cause, disconnect the monitor and allow it to cool completely prior to connecting it again for use. This can result in turn OFF to keep the risk of disrupting the circuitry.Īnother cause in the case of an old monitor is the set of aging capacitors within the monitor circuits that are unable to retain the charge for sufficient time for supplying it to the other parts. If the monitor is old, too much dust accumulation jams the monitor vents due to which the heat cannot escape. The reasons for overheating are excessive heat, dust accumulation, or vent blockage. When a monitor is overheating, it automatically goes OFF to keep circuitry damage at bay. Following are these causes: Cause 1: Monitor Overheating While some of them are associated with the monitor, a few relate to the computer system. Causes of Monitor Turning OFF and ON RepeatedlyĪ couple of issues can cause your monitor to turn OFF and ON. In this post, let’s go through the causes as well as the solutions of this problem. Many computer users tend to face this issue and they say that it indicates some troubleshooting to know and fix the cause. You start thinking about why my monitor turns OFF and ON repeatedly. This time, you seriously start thinking that something is wrong.
However, after some time, this ON and OFF trait repeats! Suddenly, the monitor goes OFF and turns ON! Okay, this may not bother you. A few minutes have passed while working on the computer. So, you have just started your day by having a healthy breakfast and turning your computer ON.
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