Question about Dell E173FP 17" LCD Flat Panel Monitor

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Green lights on front but nothing on screen

Hello, Boy, am I glad I found this site before I spend boo-koo bucks on a new monitor. I walked away and my monitor went into screen-saver mode after 15 minutes as it's set to do. I came back again and the screen was blank, dark. I usually just have to move my mouse a bit to get my screen to show the site I was on. This time I moved my mouse and all I saw on the blank screen was a millionth of a second flick. Moved mouse again, same thing. Almost like the screen wants to turn off or on but doesn't. I've moved the screen to other desktops in the house and it's the same thing. I've double and triple checked all connections. All the green lights on the front seem to be just fine but I get no picture, only a black screen and a very slight/hardly noticeable flicker on the screen when I move my mouse. Turning off and on, rebooting, shutting down machine for a couple of hours and moving screen to other computers doesn't change anything. Have any ideas before I go plunk down money on a new screen? Thank you all ever so much for being here for us not-so-smart-when-it-comes-to-computers people. Amity

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I have an E152FP and I was having the exact same problem...my fix was just to turn down the brightness below 60 and I have not had a problem since. Hope this helps...

Posted on Apr 29, 2007

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I chased around the unit, disconnected the LCD for the controller and the back lights. I found that the green led stayed on with these disconnected.

Following this I discovered that the 1000uF 16V cap had swelled (been damaged). These are near the two diodes on a heat sync. I replaced both 1000uF 16V caps and the 470uF 16V.

And now it works, I even get the Dell Genesis logo when applying power to the unit.

Posted on Dec 06, 2008

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Posted on Jan 02, 2017

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Check this page on our web site at: http://www.ccl-la.com/blog/index.php/category/monitor-repair/dell-monitor-repair/ We have repair guides for all three versions of the Dell E173 monitors. If you need any additional information just let us know.

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+++++++++++++++++++++++++++++++++++++++++++
This is the same problem with my 4 VG800 Monitors, you should be able to find the correct capacitor on your monitors by following the same procedure, I'm sure the boards are similar. Just get the correct value capacitor and try it in parallel with the initial filter capacitors right after the DC power in.
+++++++++++++++++++++++++++++++++++++++++++

Alright, I had 4 VG800 monitors with the exact same problem. The front led is blinky OR constant reddish/orangish OR picture is white with colored vertical lines OR no picture with whistling from the back of the monitor and backlights illuminated. All problems have the same solution. You need to disassemble the monitor (2 screws on the back, remove lower front button panel, remove 2 screws holding panel in and remove speakers, then remove panel and unplug speakers. Now remove lots of tape and screws from the cover in the center of the monitor). Now that you've exposed the amplifier board and the VGA to LVDS board, you want to look for the pair of 25V 100microfarad capacitors that are nearby the DC power in (they are right next to the black "100" inductor). Desolder the capacitor farthest from the DC jack and replace with an electrolytic with the same specifications. If you want to check that this is the correct solution please put the new capacitor (WATCH THE POLARITY) in parallel with the capacitor there want watch the front panel indicator go green and the monitor work properly.

I'll be posting and Instructable entry in the next few days on the process, watch for the username Waterppk on the website www.instructables.com

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