Question about Dell E151FPp 15" Flat Panel LCD Monitor

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Dell E151FPb 15" LCD with power LED blinking.

NO Display with power LED blinking. Opened the cover, not doing anything. Just plug-in the power cable, switched ON & it is okay. Cover it up & work fine but some after a few days the same symptom came back but some after a few weeks & even months.

Thank you & Best Regards,
Simon Tukian

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  • jessegv Sep 23, 2008

    I have the exact same problem on the same monitor model number.

  • Anonymous Oct 01, 2008

    Same exact problem. In my case the screen lights up just for an instant. Looks like it is actually trying to turn on but then it goes off immediately. The monitor resets itself if Iunplug the power cord or sometimes when I smack it on the side.

  • Anonymous Oct 15, 2008

    Every time I put my computer on hibernation for more than a few hours (say overnight) when I power it up in the morning the monitor turns on for a second then the power light begins to blink and the screen flashes faintly white. I can get it to work if I gently squeeze the edges, usually the left edge. It will turn on and will continue working until I shut down and turn it on the next day. Some people have been able to fix a similar problem by soldering the L781 solder joint, but that is not the issue in my monitor. Any help would be appreciated. Nothing appeared loose when I had it apart, but there is a strip of some kind along the top and edges. The one on the right (when you are looking at the front of the monitor) has pegs that it sits on. I was able to move this around without any trouble, and wondered if it was supposed to be attached to those pegs. If that is the case, how do I attach it? I am nervous about using super glue or something that close to the LCD screen.

  • jfrompa Oct 22, 2008

    I am having the same issue with this model #. I began running a spyware scan and wanted to go to sleep, so I turned the monitor off. When I awoke about 8 hours later, I turned the monitor on and the power indicator turned amber. The screen did not immediately display, so I jiggled the mouse and tapped the spacebar a couple of times. The monitor began "flashing" a faintly white screen and the power indicator was now green, but flashing at the same rate as the screen. It seemed as though the monitor was power cycling itself. I unplugged the monitor and plugged it back in (as I could not turn it off via the power button) and it kept doing the same thing. I depressed the power button on the tower and received the same results.

  • Linda Iles Amershek
    Linda Iles Amershek Oct 23, 2008

    I'm having pretty much the same problem. I got up the other morning and turned on the monitor, the screen flashed and went blank the the power lite started blinking green. The power button now won' turn it off. If I unplug the monitor from the wall and wait and replug it in, it is still blinking. Now this last time, I unplugged it from the back of the monitor and it was fine. I am also using a different power cord than before

  • Charles Odom Jan 03, 2009

    Yes I to have the same prob, its to the point that it just has white lines even if you have the pc off, there's a faulty soilder joint of cable, i'll crack mine open to find a solution.


    msngr: MrChazz78 @ Y!

  • madgerks Apr 26, 2009

    check Q604 to make sure there is proper voltage there (approximately 12 volts) this FET sometimes is weak


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The problem may be a loose connection. When I turn on my monitor, the green light blinks and a flickering white screen appears for a brief second every time. There must be a loose connection on the power board which may be causing this. The easiest solution is to tap at the back of the monitor. This will reconnect the loose end and the monitor will work fine until it gets disconnected again. I will open my monitor soon to find the real problem. But it will take some time to find it.

Posted on Dec 26, 2008

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I had the same problem. Took the cover off and checked for loose components but didn't see any. Took the main board off and checked the soldering connections from the back (all looked good). None of the components seemed fried. Decided to remove the slopped-on white glue on the components in cases where I thought it could short those components together. Reassembled and it worked just fine with the self-test showing up.


Posted on Dec 09, 2010

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