Question about Dell E173FP 17" LCD Monitor

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Hello my monitors power button blinks when i turn it on?i think its 2 do with power supply something ... HELP?

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  • luv_999 Sep 11, 2010

    well this sounds complicated
    im not that into all this IT stuff
    whats the problem?

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  • 11,361 Answers

Yes, it mau have shorted out transistors, failed caps and cold solder joints.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed DELL monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Replacement board: http://www.lcdrepair.us

Posted on Sep 10, 2010

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The powering off and on the back light is due to bad capacitors. Go ahead and explore the internal power supply. This is a very common issue on LCD I have fixed about 8 of these ranging from 1 yr of use to 9 yrs of use. I own 4 LCDs and have fixed 3 of them. 2-X2Gen, 1 Samsung and one Viewsonic. The latter one is running with out an issue and the one I use the most.
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This is a common problem with the Samsung 204B units that have been in service for a few years. Parts called capacitors in the power supply start failing and causing the board to not start correctly. The blinking power button is just the power supply restarting over and over. The monitor is easily repairable, you just need to replace the 5 capacitors that have failed. Here is a link to a page that shows how to open the monitor, get to the power supply board and what to replace.

http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/


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

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Since the power led button is on, I think the picture board on your monitor is faulty that is why it is not displaying anything.

Since your computer work perfectly with other monitor, it means the picture board is bad that is why it is not displaying any image.

The best thing for you to do now is to take the monitor to a local repairer or any service center within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself in other to complicate issues.

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How's the status light of your computer monitor? is it blinking amber? and the status light of your computer tower's power button? blinking amber as well or solid green or no light at all?

1. Disconnect all the connection at the back of your computer tower
2. Press the power button of the computer tower for 15 seconds
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Hello,

The Samsung SyncMaster 940MW monitor has an issue with the power supply going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com This model is on Monitor repair page #2 We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: tech@ccl-la.com

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

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Hello,

The blinking power button indicates a short in the power supply. This is a very common problem with LCD monitors after 2-3 years of service. It is caused by heat buildup in the case causing parts called capacitors to blown out causing the power supply to short out which in turn make the power light just blink. You can repair it yourself if you can solder. We have a repair diagram posted on our web site at: www.ccl-la.com Replace the parts shown and you will be back up and running. If you don't want to do the repair yourself we do offer a repair service for $35 plus return shipping. Let us know if you have any other questions about the unit or the repair.

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

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www.ccl-la.com
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