Question about ASUS VK193D LCD Monitor 19-inch - Black
Screen first goes black after a few minutes, I switch off and on again and it goes black again after a few seconds.
Posted by Anonymous on
Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
1. Your monitor starts normally and displays the startup/desktop screen for a while.
2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.
To fix this black screen problem, change the inverter board (based on your monitor brand). Source(s): http://lcdmonitorrepair.annics.com
Posted on Jan 03, 2015
I'm afraid this looks like an electronic fault. Some component, most likely a capacitor, has degraded, is overheating and going out of spec.
You just might be able to squeeze some more hours of work - but the monitor is still likely to drop dead any moment now - by rigging a computer fan on the backside to extract hot air from the inside.
Possibly, the problem might have a noise factor - try adding a ferrite shielding on the cable (unless one is already there, as it often is) and see whether the thirty minutes' grace period extend somewhat.
A probably unsatisfactory solution might be to drive it at a lower resolution, so that the more relaxed frequency constraints do not stress the component so much.
When the capacitor finally blows, you might be able to recognize it and have it replaced; it's likely a US $1 component and is probably in the LCD driver section. Perhaps, just perhaps, you could already be able to see it with the naked eye looking for a component that looks "wrong" - a small cylinder that looks bloated, with electrolyte leaking, whitish powder around the base, etc. But you would still need some solder work to get it replaced - and, if it's a SMD component, chances are it can't be done at home.
Sorry for the bad news...
Posted on Oct 22, 2009
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