Question about ViewSonic VA720 17" LCD Flat Panel Monitor

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Screen goes blank within 1 second of being turned on

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.

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  • ViewSonic Master
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Bad capcitor in the psu would cause this to squel and even pop so have it looked at you be glad you did.

Posted on May 23, 2009

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his step-by-step guide describers how to obtain and install ViewSonic VA720 drivers for Mac.
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is it that whatever u try the screen does not come alive???????

was there a voltage spurge or something maybe an IC blew up..


could u tell me when did this happen

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You can email rhartze@key-services.com and provide your telephone number... he will call you to assist.

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