Question about APC Smart-UPS 1000VA UPS System

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There is a blackout,the computer remains on but no display

There is a power failure,the ups supports the computer system, but there is no display at all on the screen.The L.E.D that shows machine is receiving power is on,the power supply is running but the screen is blank.

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  • khiel Mar 06, 2009

    what if the computer have power but the monitor have no display???.. what is the problem?? can you help me sir??... thax you

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  • 192 Answers

You might not have it in a ups power back up plug.

Posted on Jan 08, 2009

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It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of the monitor. If you are good at electronics repair/soldering you can usually fix the problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. Look in our monitor repair section for step by step repair guide for this model it should be the same power supply as the 930. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping.

I hope this helps, if so please rate my solution.

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If it still does not work the blackout may have caused a short in your monitor or a system failure on pg then get back here and post the new problem.

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