On the viewsonic va720, when the monitor is plugged into the computer the light stays green but the screen goes blank within one second of being turned on. there is a brief picture then a squealing noise and the screen goes blank. the power light stays green however. i have checked power & connection to computer and tried on 2 different computers. thanks.
Bad capcitor in the psu would cause this to squel and even pop so have it looked at you be glad you did.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620
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