Question about Dell E177FP LCD Monitor

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Dell Monitor won't stay on

I have a Dell computer monitor that comes on for just a second when turning it on and then goes back off. Do you know of anything I can try?

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  • beardbase Oct 13, 2008

    I had my monitor set to hibernate, so my light turned yellow after 20 minutes, however, when I move my mouse or hit a key, the monitor flashed my desktop and blacked out, so I set the monitor to always on. This time it would go dark like it was hibernating, but the light would stay green, and the end result would be the same as before. I turn the monitor off and do a hard shutdown on my system, give it a ten count, restart, and the monitor comes back on. Again, however, the screen flashes through the post and boot sequences, instead of displaying the GUI the way it should. It will all come up finally, and continue to work fine as long as I don't allow it to sit. This is frustrating! Any ideas anyone?

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When it goes black, does the power buton stay green or is it orange? If it's orange, the power supply/inverter is your main culprit. If the power button stays green, it sounds like the backlight for the display is bad. Either way, unless you have parts for the same monitor laying around to swap out, you're due for a new monitor. The good news- with the economy in the tank, you can search online and find some reputable vendors selling nicely sized screens for less than $100! Heck, I've even seen a 22" for $129 (once but it was there).

Posted on Feb 14, 2009

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The Dell AS 501 monitor display comes and goes off in seconds. If I switch off and on again, the display comes back and goes off again in less than a second. I repeat this as many times the same monitor...


This sounds like the power inverter is failed.. It's what pumps up the power for the light in the monitor.
You could try unplug the sound bar from the back of monitor if you have the sound bar installed. Just a maybe..
To fix the inverter (replace) is usually better to buy newmonitor unless you do it your self.
The defective LCD Backlight inverter will cause the following symptoms:
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  • Screen flash on and off and the power indicate light stays on green (or Blue).
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Go here to start looking if you want to try yourself. http://www.lcdparts.net/DI3D.aspx

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Stelios.

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It basically goes to Power Save Mode. Check for the same error in System Setup screen, if the Monitor goes off in System Setup then you better need a replacement. Else you would need to reseat the Video Card(If any) and the Memory Modules. Please keep posting for any further issues / improvements.

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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.


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Hi again,

Any luck with the Dell people?

A favor if I may, at your convenience, would appreciate if you can rate our Live Session as you see it fit.

Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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