Question about Xerox XG-91D 19" LCD Monitor

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Screen lit up, but nothing displayed (black)

Hello, recently my Xerox 19-inch LCD Monitor screen just went black. When I power it up the blue power light will be solid for approx. 5 secs and the screen will light up greyish-black, then the screen loses all light and the power LED flashes. I think it's a communication problem or something? I'm trying to remove the rear case to check the inside, but I actually can't figure out how to remove the case! I removed the base and took out two screws from the back of the unit, but don't know where to go from here. I notice 4 female screw ends into the rear center of the monitor, but I'm not sure if they're a part of the removal or not. Thanks for any help you can give me! -Frank

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Re: Screen lit up, but nothing displayed (black)

Hello Frank, I have the same problem with my monitor. I don?t have the answer yet to resolve the problem. if you want the first of us who find the resolution will advise the other. I sent an email to Xerox to get the info to remove the cover without breaking it. regards Sylvain

Posted on Oct 06, 2006

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Use a flashlight and shine on your screen. Look carefully is you still see the image on the screen. If you do, this is an indication that the monitor is still working, but the backlight has failed. A common solution with backlight-failures is to open the monitor, and look if you see any "swollen" capacitors ( If you see one you should replace it. Only open your monitor if you know what you're doing and have basic knowledge of electronics and soldering.

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coolvegasmik, Sorry, to hear that your "cold cathode-fluorescent-lamp-back-lit-lcd-monitor" is not working. Did you hold and point a bright flashlight 1 inch from the lcd panel when it went to "black-screen"??? Did you see any icons on the "black-screen"?? Software NOT a fix for this "black screen of death" problem. You or electronics technician will need to open L91A and look for bad capacitors or bad soldering on the power supply printed circuit board. If unit is 4 to 6yrs old, just trade-in for new wide screen unit. See video clips of swollen bad capacitors at YOUTUBE when you search "lcd monitor repair". All lcd monitors (99%) use same basic design and principle of operation. Sometimes ccfl back-lit lcd monitors can be repaired for less than $6 in parts and monitor will work for 1 to 3 more years. 12fixlouie

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Screen goes black,power light stays green. display only stays on a couple of seconds

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Gateway FPD1975W black 19 inch LCD

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make sure there is nothing behind the monitor and has good air flow. Since there is no fan in the unit. it need to vent the hot air natually.

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Xerox XG-91D 19 in. Flat... Problem

If you look on the back of the monitor it has the name of the manufacturer - which I googled and found this warranty information:

If you already know that your monitor is out of warranty but want to try to figure out what's wrong with it, these are the contact numbers:
7373 Hunt Avenue
Garden Grove, Ca 92841
Phone: 714-799-3899
Fax: 714-379-6290
Hours: 8AM to 6PM Pacific Time
10849 Kinghurst Suite # 120
Houston, TX 77099
(281) 530-4100
(281) 530-4104 fax
Hours: 8AM to 6PM Central Time
For further warranty information, please contact our Customer Service Department
Call our toll-free service number at 1-800-776 8439 for out-of-warranty service rates.

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1 Answer

Xerox XL592DS Flashing Colors, Nothing on Screen

Sorry time for a new monitor you might open it up and look at the capacitors and see if any need to be replaced the bad ones will be domed on top normal is completely flat

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Its the problem of the main display board. Not the SMPS. There will be another board inside. You have to replace the board or If some body may fix if you have spare parts of the board.

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Just tore mine apart so here is some help. You need to remove the two screws on the back of the case on the bottom. Then you remove the front cover it slides toward the top of the screen then lifts off. You can pry it off if that doesn't work. If you want to seperate the screen from the back cover you then need to remove the swivel mount and the other two screws from the back cover.

Oct 06, 2006 | Xerox XG-91D 19" LCD Monitor

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