Monitor signal getting on and off

By Vaibhav Jain
Jun 7, 2015
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  1. I have a LG Monitor (19M37A). When I start the computer, the signal goes off after some time. However the monitor power indicator remains on and the CPU also works fine. The signal comes automatically after some time, and then goes off again. I have replugged the cable which connects the monitor and the CPU, and also cleaned the RAM. I got the monitor in exchange of my under-warranty LCD monitor (its parts were no longer manufactured so I got a new monitor) and it seems that the company has given me a defective product. What could be the cause for this problem?
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    This may not be a monitor issue at all. It may be a power supply or a video card problem...

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