Question about Gateway FPD2275W LCD Monitor

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Screen shrinks my monitor(envision 19inch pixie 750 monitor (model x-754f) will click and then the screen will shrink and i will loose about 1 inch on eather side. I would come back out to a full screen if i tapped on the sides but now it won"t. Sometimes it will be full screen for a couple of days and then all of a sudden it will shrink again.

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  • magruff5 Jan 19, 2008

    any other ideas i tried the above suggestion but it didn't help.

  • Anonymous Mar 08, 2008

    Hi,
    First I ike to thank the nice service, especially the deep explanations. 
    Shapo.

    I've got a LG Flatron 775FT (year 2001). A good pannoramic screen.

    Now to my problem:
    First there where noises (from the inner contactors ?) when starting the computer, and the colour got a bit dull. And after some days the screen shrinked to about half its width..

    I opened it and cleaned with a brush and a dust cleaner (was much deart).

    Now,  the noices did disappear but the shrinked shape  )(  is still there.

    Question:  Is it safe to play with the screen while its back cover is off ??

    Thanks,
    Uzi.


    P.S.
    nVidia (card and driver) only offered and opperated it with 60 hz ,
    while Radeon 7000 with tnn driver enabled 60 to 100 hz ..

    The noices appeared with both cards, but the shrink happened some days after swithing to 100 hz (with ati).

    And as said above, the noices vanished only after the cleaning.

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  • 67 Answers

Possibility: Dust accumulated within.
Disconnect the monitor, and open it up. With a dry small paint brush and a vacuum cleaner, remove as much as possible. Especially around the tube and the ultor (the cable connected to the rear of the tube, usually has a rubber cup- like fitting on the tube end), then close up and test again.
Still doing it? This part requires great care, if you don't feel confident about working around a live chassis, DON'T!!!
Disconnect and open the monitor again. Connect up without its cover. Look around the chassis, you will see a number of adjustment potentiometers, possibly with markings such as "width" and "height" etc. Turn on the computer, and with a PLASTIC adjustment tool or TV alignment tool, (you can make one from a plastic knitting needle even), carefully MOVE each of these adjustments a bit, THEN RETURN THEM BACK TO THE POSITION THEY WERE IN.
Dirt often causes these controls to become intermittent in their wiper contact to the track.Moving them can restore a better contact.
There is also available fron electronic component suppliers, a pressure- pack contact cleaner product that can be sprayed onto/ into these controls, and may help if moving them does not.
If the above does not cure the problem, there is probably an electronic fault.
Remember, if you don't feel confident about poking around inside live equipment, DON'T, maybe you have a friend or relative who knows how.!!

Posted on Jan 19, 2008

  • Ray Murphy Jan 19, 2008

    Okay, if it's not dirt, maybe a "dry" or fractured solder joint. Can be difficult to find, gently flexing the PCB (with something insulated, keeping hands clear), might locate the problem. The cure if you find a "tender" area on the board, especially around the line output transformer, is to carefully examine the joints with a magnifying glass, and resolder. It can be beneficial to resolder almost all the joints in the general area. Care must be taken to not create solder bridging between joints, or you will create problems.

    Beyond that, dried- out electrolytic capacitors are a possibility. U will need test equipment (ESR meter) to locate, else substitution with new components. But this is tech work!

    Good luck, this is all I can suggest.

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You will need the following things:


Small 600 degree soldering iron and solder.
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