Having problems with your PC Desktops ?

Every once in a while the monitor screen flickers, and wavy lines appear

Answers :

You have a poor connection, mabey a cable loose or monitors going out
It could be a problem with your GPU (video card). Only way you can know for sure if this is the problem is to try that monitor on other computer.
Another problem may be with your VGA monitor cable. Check if everything is well connected and that power cables are not too near to your monitors cable. Also try with another monitor cable.

And of course, there is always possibility that your monitor is broken. If your monitor does same thing on another computer with another cable you can be quite sure it is time to visit your IT doctor or buy a new one. :)
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