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Screen goes blank

After various time of working , often few seconds screen goes blank. It works again after turning off/on it ,etc ...

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  • Angela Faulkner
    Angela Faulkner Nov 09, 2008

    my sreen keeps going black and saying osd lock out how can i fix it

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  • 55 Answers

Check that the power cord is fully plugged in first.

It is probably the inverter board inside the monitor.
(if the screen does properly display ever then it is not the screen)
It CAN be fixed but I do not suggest anyone open up a monitor (LCD or CRT) who is not "technically inclined."

If you really want to fix this particular one then take it to a local tech and get an estimate first. If it's almost as much as a new monitor then buy a new one.

Posted on Mar 14, 2008

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Screen goes blank when first turned on, have to keep restarting m


Hello,

If you turn the monitor off then about 1020 sec turn it back on and have a picture for five sec again it sound like the power supply in the monitor. but if that did not solve the problem, the picture board on your monitor is bad, since it goes off after few seconds and the power led or button is on, it means the picture board of your monitor has developed fault and will need to be replace.

I advice you replace the picture board on the screen of your monitor to solve the problem of the blank screen.

Take care.

Jul 24, 2010 | Dell E153FP 15" LCD Monitor

1 Answer

Asus Monitor boes blank and comes back after power recycle


1. You can see images on the screen for a few minutes. That means there is nothing wrong with your computer.

2. When your screen goes blank, if you disconnect and then reconnect the monitor, it shows fine again for a few minutes before going blank (or dim) again. That means the problem is not with you video card.

3. It always shows the image after reconnection for exactly a few minutes before going blank again. yes? this means that there is nothing wrong with your cable.

Conclusion: Sorry, but you do not have many options. I bleieve that the problem is with your monitor that's going bad. Its far cheaper to get it replaced than to repair it.

Oct 04, 2009 | ASUS MW221U LCD Monitor

1 Answer

Screen Goes Blank


Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

Jul 21, 2009 | Dell E173FP 17" LCD Monitor

1 Answer

Screen comes up for about 10 seconds, then goes blank


Hello Robert,

You have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictues and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
Over 21 years of computer and printer support/repair

Jun 19, 2009 | LG Flatron L1750S 17" LCD Monitor

1 Answer

Blank screen


Possible that the HV inverter or the CFL tubes are going bad / defective. I suggest to bring the unit to an authorized Acer service center for proper check-up / test & fix the problem. regards

May 16, 2009 | Acer X221WSD Monitor

1 Answer

Dell E173FPb 17" TFT LCD Flatpanel


Video cards that can handle two monitors at the same time have cables with two plugs on the monitor end.

If your video cable has two plugs on the monitor end, try the other plug.


Dec 29, 2008 | Dell E173FPb 17" TFT LCD Monitor

1 Answer

The monitor goes blank after just a few seconds or sometimes works for hours.


Two possible causes are bad capacitors or a bad light inside the LCD panel.

Open the unit and check to see if any of the capacitors in the power supplyor other boards look domed or vented on the top.

Replace any capacitors accordingly. Monitor should work fine after that.

If not try checking the surface-mount transistors on the inverter board that run the lights. Some times these transistora go bad. Also, you may have a bad light inside the panel. This is tough to test without a spare light to use for troubleshooting the panel lights.

You can take the panel apart and inspect the lamps but it is very tedious. It's tough enough to get them apart and back together again never mind keeping the layers clean. You have to try not to get any dust between the layers or you will see it in the picture.

There's usually two light fixtures each of which holds two lamps. One fixture at the top and one at the bottom. Remove them one at a time and inspect the lamps to see if any are broken or very dark on the ends. If one looks out of place, it could be bad.

You'll have to find replacement lights on the net. It's not easy to replace them, but if you've gone this far, good luck. You should be able to get generic instructions off of the site that sells the lamps.

Feb 13, 2008 | ViewSonic VX924 19" LCD Monitor

1 Answer

Screen goes blank when I move the mouse


please be specific, your question is not understood properly??

Oct 26, 2007 | Dell E173FP 17" LCD Monitor

2 Answers

Screens works for 5 mins then goes blank!!!!!


It could also be that the video card is not compatible with this monitor. After the pc boots up, can you get into windows? Does the monitor always go out at a specific time on boot? Say for example; you boot the pc, windows startup splash screen comes on; screen does a quick flash and goes blank. Then it maybe the BIOS setting for the video. Try changing the IRQ setting. You could also try putting the video card in another slot. Do you have the manual for the motherboard? Ray

Jun 20, 2007 | Relisys TL565 15" LCD Monitor

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