Question about Dell E172FP 17" LCD Flat Panel Monitor
I think the power board might be going bad in there. Hook up a different good working monitor to the computer and see what happenss.
If the monitor still turns off after a few seconds then you know its the video card acting up. If the monitor stays on then you know its the original monitor that is bad for sure.
Posted on Jul 03, 2009
The problem seems to be with the power cord. Try changing the power cord and connect it to a different socket. If this does not help try changing the power chord.This will help.
If this still does not work then try contacting the monitor manufacturer because montors usually come with a 5 year warranty.
Posted on Jul 03, 2009
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Posted on Jan 02, 2017
You have a monitor with a common problem. After a few years some LCD monitorswill blow a power supply. The problem is caused by parts calledcapacitors overheating in the confined space of he monitor. If you aregood at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htmYou can take the back cover off your monitor and look for the badparts, replace any that look like the pictues and your monitor shouldwork fine. The capacitors do need to be installed with the correct +and - connections, note the stripe on the old one and insert the newone the same way. If you don't want to try the repair yourself we offera repair service for $35 plus shipping. I hope this helps, if so pleaserate my solution.
Over 21 years of computer and printer support/repair
Posted on Jun 26, 2009
That is just a backlight lamp problem. It is necessary to service it. take it to a service center or give me more information to say to you how to do it on your own.
Posted on Apr 19, 2010
The solution I am about to describe refers to a backlight problem, which is most common in Dell 15,17 & 19" monitors. The symptoms are as you describe:
Inside the monitor there is an inverter board that acts as a power supply for the monitor and the logic necessary to control the backlights (illumination and brightness control). There are four lighting tubes, which are controlled by two lighting circuits (two lighting tubes per circuit). At the heart of the inverter board is a chip that monitors feedback from the two lighting circuits and closes the back-light circuit down if either of the lighting circuits fail, thus any component failure will exhibit the same symptoms.
The transistors which fail most often cost pence to replace (types C5706 or C5707). However, their failure in unlikely to be the cause of the problem. My first crack at fixing this fault, by replacing the transistors, resulted in them failing again within 24/48Hrs. The cause of the problem will be dry solder joints or loose connections on the high-voltage side of the circuit, usually on the backlight transformer in the effected circuit. If you re solder each of the connectors on the transformer you will save the transistors from blowing again - the transformer generates 1,400Volts for the lighting tubes and at this voltage, arcing across the a dry solder joint, will quickly destroy the transistors again.
No soldering iron? - A complete inverter board replacement is also reasonably cheap and easy repair. These are widely available.
Sorry of this is more detail than you expected but it may help others reading this article.
Posted on Nov 28, 2010
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