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I have a samsung monitor and a gateway unit and when i boot up my my monitor stays on for a period of time and then simply goes blank what is causing this? I turn it off for about an hour and it comes back on and goes out again

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  • sperry985 Sep 21, 2010

    We tried your suggestion with the motherboard. We even vacuumed dust that had accumulated inside the cpu which somone suggested. Still having the same problem with the monitor going blank. Perhaps we weren't following your instructions - maybe you could explain a little more clearly. We are not that technically knowledgeable about the "inside workings" of the cpu. If you have any additional suggestions, please advise.

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When you power up the computer check num lock led flash on the keyboard if it is on and off when you press num lock key then cpu gives display to monitor then only issue with graphic resolution or monitor. For that when you power up the computer press F8 key then enter in "enable vga mode" then change screen resolution to 1024*768 in display property. But if num lock led stay constant when you press num lock then open cpu cabinet cover then reconnect RAM memory to mother board pull cmos cell from motherboard for 10 minutes make sure motherboard is not ground with cabinet. Let me know if you need further assistance. Thanks for using FixYa.

Posted on Sep 16, 2010

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Samsung monitor goes blank after working perfectly for a period of time.


Have you checked monitor settings Carl? Some are set to sleep after a certain period of time. Mine was set to sleep after 1 hour (unknown to me) until I reset it. =)

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Hello,

The picture board on your monitor has been malfunctioning for quite the period but you did not notice it, since the screen goes blank, it means the picture board of your monitor has developed fault and will need to be replaced.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

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The monitor either stays blank when the pc boots up or displays briefly and then goes blank. It will sometimes display properly if I turn it off and on after the computer is fully booted up. It has been...


First place to look will in the power supply section, look for bad caps with bulging top/bottom seal, post back what you see inside so we can help you further, see example of failed SAMSUNG monitors due to bad caps here: http://s807.photobucket.com/home/budm/allalbums

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It turns off after 10 minutes working


When you say it turns off, is the power light going out too?

If the power light is still lit when the screen blanks, it may be a faulty backlight inverter.

After 10 minutes elapse and the screen goes out, if you power it back on, do you get another 10 min, or does it last a much shorter time period, or not at all?

Your best bet is probably simply to buy a new monitor, and sell yours as "broken" on eBay, I'm sure someone out there capable of fixing it would be willing to pay pennies on the dollar to subsidize your replacement screen.

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jane657, Hi there. Will you stop pushing the On/Off button on your lcd/fpd. It's Broke. Period. End. Finito!!! You will not fix it. However there is one test that you should do to determine hoe bad the problem is. You will need to reconnect the 931B to a known good pc that has been fully booted and has the WIN-DESKTOP or IE fixya web page showing. quickly connect the931B to the wall outlet and the PC. Turn on the monitor!!! Yes, I know it will only come on for a second..After the screen goes to BLACK, Shine a bright flashlight onto the screen at different angles, 1-2 inches from the screen. Let me know if you see something even though the screen is black. Anyway here are your options as a consumer/user. 1. Check if unit is under warranty. 2. Check withh Samsung to see if they have a SWAPOUT program. You send them your monitor+$40-$90 and they return a refurbished same model to you with a 30 day warranty. 3. Trade in for new monitor. 4. Check with local TV/Monitor repair guy who knows all there is to know about cold-cathode-fluorescent-tubes, their power-source(inverter type) and lcd monitor power supplys (SMPS) 5. Repair on your own. Not recommended for amatures with no solid state troubleshooting skills and no instrumentation for support. Bye for now. I'm louie12fix on fixya or lmistyrel@ aim.com

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1 Answer

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It appears that the display resolution set in your display properties is out of the range that the LCD can display.

Try this.

Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)

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SOUNDS LIKE MONITOR HAS FRIED ITS CHIPBOARD IF ITS A SAMSUNG ITS CHEAPER TO BUY A NEW MONITOR

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