Rolling Waterfall Effect going up my westinghouse LCD monitor
I have two laptops hooked up through a KVM switch and just recently the Westinghouse Monitor that is the display monitor for these 2 computers connect through the KVM switch started having transparent but rolling horizontal lines rolling up the screen. Any suggestions?
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mufdvr6942, the "switch-mode-power-supply" is in shutdown. Have a technician evaluate (inspect) it. Do that if monitor is less than 4yrs old.
Also visit youtube and search and view longer (8-12min) vid clips of LCD monitor disassembly or LCD repair FYI 12fixlouie
If you haven't figured it out yet through a web search, Westinghouse
monitoris have problems with blown caps on the power supply board. If
you are lucky the problem is minimal and won't require more than
replacement of the caps. You won't know until/unless you open the case
and inspect the power supply board.
The white screen is caused by a total lack of control over all pixels.
The opposite effect; all black, happens when a failure turns all pixels on, blocking all but a small amount of light.
This could have more than one source; one output of the power supply has failed so the logic section no longer is receiving supply voltage or an external source has damaged the video input of the monitor.
The backlight responsible for the white screen is obviously working as this is a separate power supply output to an inverter that powers the backlight lamp.
I'm afraid this is not a DIY repair.