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When it's turned on, the light on my monitor blinks but the screen doesn't display anything. Why might this be happening, and how can I fix it?

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The fault is within the monitor. It is trying to power on but there is an hardware issue that checks to protect and cuts off power.
So check on monitor board for a failed driver. It can also be fault in the large value capacitors in this output section.
Look out for the output voltage , where the cut off takes place disconnect the section to confirm,
use a multimeter to check for the short of the suspected components.
check for voltage in these sections.
Hope this advice helps.

Posted on Aug 25, 2010

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