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Monitor goes dim

Monitor it work nomal but after 30-45 minutes it goes dim to 5% and could not view anything but only visble like shadows on screen

Posted by John on

  • John Sep 09, 2007

    I need a help to solve this problem the monitor which works normal and thare after 30-40 minutes its goes dim, 10% like the screen is full black

  • John Sep 09, 2007

    What is capacitor. How can I solve it.
    Is there any solution?


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Capacitor is going bad in powersupply.Leaky!

Posted on Sep 08, 2007

  • Anonymous Sep 11, 2007

    Caps are usually round with 2-3 legs and they usaually say something like a number and then uf,pf,mf, and then some type of voltage like 16v,50,100,250v etc. So if you are not familiar with this then it will be hard if not impossible to help you fix. You will also have to solder the bad cap out and put in good one. If you can not do this then you may need to take to technician.


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Displays for a second, then black screens?

old monitors all made before mid year 2010
are all CCFL backlamps and most died 5 year old
10/hr. per day and EOL hits..end of life.
the problems is not the cure we well know the problem is econ101
spending $200 to fix a $20 dead (sold for parts0 monitor is bad econ.
see page 5, here

CCFL *****
this what they all did long ago, if actually used heavy
  1. CCF go dim
  2. go intermittent. (PURE RANDOM) 'Ionization is tricky""
  3. goES dead
  4. goed dead only hot or cold (yours fails warm)
  5. goes yellow tinged for pure white.
RIP one more of millions now dead, most are, unless hanger queened (nos) or was in sleep mode most of itS life,
at 20k hours of real use they die. (MEANS GLOWING)

My monitor will dim itself and I have to reset it so I can view the screen. some days, like today it will go dim every 15-20 minutes even when I am typing.

This sounds to me to be a problem with the CFL tubes, soon they will stop working altogether and your diplay will be very dim, or may not come up at all. In which case if under warranty return it, if not you may need to replace the CFL tubes.

Thumbs up

Dim monitar with flickering screen


The problem can be caused by 1 of 2 things either your power supply is going out or the backlight bulbs are going out. The most likely cause is the power supply. If you are willing to do a little soldering you should be able to do the repair. If you go to our web site at: We have a section on monitor repair. Look under the Samsung 930B it is the same as your monitor.
If you don't want to do it yourself we do offer a repair service, email me if you are in need of that.

I hope this helps.



System problem

Try another monitor.  If that doesn't work reinstall your video drivers with control panel system device manager.
James Mac

Monitor Randomly Turns Black

I have exactly the same problem with my Benq FP71E+ ..

What i found is a temp fix is this :

When monitor dims and goes black i turn it off , hit the bottom left side (near the BENQ logo) turn it on again and it works ..

This works every time for me . But after a while it switches off again , could be 5 minutes could be 5 hours . Its random

Monitor has shadows from left to right

Try changing the cable that connects the monitor to the computer, that might improve things slightly, but because you said that it works for the first 15 minutes I'm skeptical that the cable has anything to do with it.

The monitor is near the end of it's life. There's not much that can be done.

LCD goes dim within 1-2 minutes

You could have a bad "inverter" or flourescent backlight tube, or a problem in your power supply.The only way to isolate the problem is to check each component in sequence.If your hard disk and DVD / CD drive are still working when your screen goes dark, then I'd say it's the "inverter". You'll have to take it to a repair shop.


Dell Laptop Screen goes Dim After 5-10 minutes

plase use another RAM in the same machine if the sam e problem will arise..its u r mother board prblem otherwise u r ram problem

Monitor problem: screen goes black, then comes in scrambled

It sounds like this one needs component-level troubleshooting, probably in the power supply section. One or more backlights may be going out, too.
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