Question about Computer Monitors
I have a ViewSonic VG171b monitor. Whenever I turn it on, regardless of whether or not a video source is connected, the screen goes nuts. What happens is hard to describe, so I made a video:
I don't really know what it could be, and I want to know whether or not this is fixable. I don't have problems with replacing parts on my own or even soldering, but I wouldn't have the slightest idea where to even start.
Thanks in advance for your help!
That appears to be a problem in your video card.
It is possible that a bad connection to the board or from the board to the back of the screen is loose, But I think it is the card.
It possibly is a voltage regulator on the card itsef. I have seen voltage regulators cause this effect.
You'll have to open it up and check voltages.
Shout if you decide to go that far and need more info. Check and clean all the connections first.
I haven't done work on this model, but with a picture, I may be able to lead you there.
Posted on Oct 20, 2008
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