Question about Kogi l7eh-ta ko 17" Flat Panel LCD Monitor

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My l7eh comes on for a couple seconds then goes black

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If you are sure your graphics card is working ok and the VGA cable is firmly plugged into the monitor and card and the power cable is firmly in the monitor, Id suspect the power capacitors in the monitor are blowing or have blown

Posted on Dec 30, 2010

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Posted on Jan 02, 2017

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Screen goes blank after a few seconds


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Kogi l7eh-ta ko 17 in


It looks like your power supply is shutting down (terminal overload shutdown) due to excessive current consumption. You need to get a power supply that meets the voltage and current requirements of that monitor or greater current reuirements.

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No video


sounds like the backlight in the monitor have you tried another monitor?

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My Sony comes on then both sound and picture goes black.


After being on a little while, the screen goes black (no audio as well) for 20 to 30 seconds. Green light stays on. Then, picture comes back on and takes a couple of seconds to get up to full brightness. About 5 seconds or so after the video comes back, the audio returns.

Until this morning, has only happened a couple of times a day, now happening more often. About 3 times in last 20 minutes.

KDF-E55A20 is about 3 years old.

May 03, 2008 | Sony Grand WEGA KDF-55XS955 55" Rear...

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