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I turn on my computer and the monitor flashes on then goes black. If I turn the power to it off and then back on it will flash a pictues and then go black again.

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You need to try another monitor to see if the problem is with the monitor itself or the video card in the computer. If the monitor is bad I suggest you just buy a new or used one. It cost more to repair them than to buy another one.

Posted on Aug 05, 2009

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Dealing with a Planar PL1700-BK computer monitor. When power is supplied, the "no signal" box flashes, then the screen goes black. When hooked to laptop, screen shows desktop, then goes black.


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1 Answer

The on/off of pc monitor (LCD) is blinking.


Most LCD monitor (depends on the brand) power indicator light will either turn from Green to Amber, or flashing Amber, or flashing green, when it does not detect video signal feeding it. So it may be normal with your monitor. Are you haivng problem with the display? If it displays he pictue OK then there is nothing to worry about.

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1 Answer

My monitor goes black and then flashes back. It does this sporadically


hello there, have check your power connection from the outlet to your monitor? well in some, monitor can get enough power thats why it flashes,. Check the warranty of your monitor.

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1 Answer

Dell E172FPb monitor black screen green flashing power button


Hello,

We have a dis-assebly and repair guide posted on our web site at:
www.ccl-la.com/monitor_repair.htm
The problem is usually the driver transistors, our guide shows where they are and what to replace to get your monitor back running again.

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

Buddy
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www.ccl-la.com

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1 Answer

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Internal power supply is hurting. It is a non linear supply and they switcher transisters are not working

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Your monitor has a bad INVERTER, look on eBay.

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1 Answer

Monitor turns on, but only flashes once and no screen appears


Hello,

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 he monitor. If you are good at electronics repair/soldering you can usually fix he 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 pictues 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. 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.

Buddy
Corporate Computer
Over 21 years of computer and printer support/repair

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1 Answer

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Could be an inverter problem, if it powers on for a brief second and then flashes off then the inverter is at fault. Check for any Capacitors which have a yellowish substance at the top, they looks like round blue or black cans and if they look like they are buldging then they will need replacing.

hope this helps =]

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1 Answer

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1 Answer

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Sounds like you have a bad connection from your monitor to your computer. First check and make sure the connection between them is tight. Does your computer boot up and run though? If your computer is not booting up the monitor will default back to the flashing green power light

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