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Samsung syncmaster 930e green light indicating power, but blank screen - nothing

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Posted on Jan 02, 2017

SOURCE: ViewSonic VA912b (Back light with blank dark screen)!

I have the same problem. If the computer goes into power save mode for the monitor the VA912b won't come back on. The LED blinks and it makes a repeating "bloop" noise.

I have no solution other then what was stated. Turn it off for several minutes and turn it back on. Sometimes you have to try this repeatedly before it works. (I have two VA912b monitors that I bought at the same time and both are connected to the same pc - this only happens to one of them)

Posted on Feb 14, 2008

  • 138 Answers

SOURCE: Samsung LCD Monitor SyncMaster 203B

Hi this is the way how to examine what's wrong with your LCD monitors. After you turned it on and the screen blacked out or stopped working, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

Posted on Mar 26, 2008

  • 293 Answers

SOURCE: Blank screen

Well....that my friends, you've got a busted backlight inverter. Need to replaced a new one... Have a nice day!

Posted on Oct 10, 2008

  • 47 Answers

SOURCE: screen is black

This is most likely the power inverter board in the monitor - this is common in many monitors. If it started taking longer and longer to display an image, and the power light is blinking on-and-off, that's the problem. You can confirm that it's the monitor and not your computer or the cable by plugging in another monitor if you have one to try. If it's under warranty, send it back, if not, there are inverter boards for many common models of LCD monitors that are replaceable The board can run anywhere from $50 on up. Depending on how old your monitor is and how much you've invested into it, you may find it better to just replace it with a gently used one from ebay.

Posted on Jun 06, 2009

  • 1606 Answers

SOURCE: Samsung 740N blank screen

That sounds like a capacitor or maybe a mosfet died. Usually only capacitors 'sing'.

first you need to confirm it is the backlight section that died. simple visual inspection. You want the monitor plugged into a running booted computer. If you have anything that will do dual screen that lets you know what and where something should be on the screen being tested.If not anything will work. Let the computer boot up and then you will need to get close and near an edge. What you are looking for is a ghost image of the normal desktop. You may even be able to see the mouse move around. This is the actual picture produced by the lcd. It is very faint. The backlight acts somehwat like a projector bulb and shines through the lcd panel. So if you can see anything then your backlight or the backlight power are the problem. I'm in BC so its hard to reccomend any place for parts. Most of the ones I have fixed the parts were out of California.Cost should be about $70-$100.

If the backlight isn't the problem then it is usually a power section problem. The parts are cheap but the time to find the bad one can cost a bit. If you can find a place to fix it get an estimate. Then check out the replacement price of a new monitor. The prices have dropped and sometimes it isn;t cost effective to repair even a backlight on some models.

Posted on Apr 26, 2010

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1 Answer

Nothing on the screen

if their is a an power indicator in the front but with out a display or black screen, the cause it could be a busted back light or dry joint connector for inverter board for screen back light.

Aug 15, 2012 | Samsung SyncMaster 203B LCD Monitor

1 Answer

My screen is light green i don`t know what to do ;/ whats can by bad ? please help me :S

I am not sure if you are talking about the green power indicator light, or the screen is showing image with green tint.
Check the VGA cable first make sure there are no bent pins, tight connections. Try it on other PC also, we just need to narrow down the problem first.
Please Post back.

Apr 24, 2010 | Samsung SyncMaster 910MP 19" LCD Monitor

1 Answer

Samsung 191T Blank

You need a fluorescent back light and inverter kit. Available on eBay.

Jun 10, 2009 | Samsung SyncMaster 191T 19" Flat Panel LCD...

2 Answers

Syncmaster 941bw coming up blank

Hummm. Try to unplug everything, reconnect, than restart. If not working, try to plug your monitor on a different computer to diagnose what is wrong, the computer or monitor. It could also be your graphic adapter, verify that it is firmly attached to the motherboard.
Lastly, replace the defective part.

Mar 27, 2009 | Samsung 941BW LCD Monitor

1 Answer

Blank Screen, power light is steady green

have you tried adjusting for the brightness and contrast of the monitor. does any menu comes out if you press any buttons of the monitor except power of course!

Nov 16, 2007 | Samsung SyncMaster 171S 17" Flat Panel LCD...

1 Answer

No signals. screen is blank. power green light is blinking.

Its not a malfunction. blinking light is indicator shows that no appropriate input signal detected. If you are using laptop refer your user manual to toggle to external display device. For example in most of the Toshiba Laptops requires to use Fn+F5 in order to use external display device like you have. If issue still persist you may post again by including the details of your laptop/desktop model.

Good Luck, Happy New Year

Nov 09, 2007 | Samsung SyncMaster 171S 17" Flat Panel LCD...

1 Answer

Samsung SyncMaster 191T

Sounds like the invertor board in the monitor is bad or the LCD screen has had it and needs replacing.

Jun 04, 2007 | Samsung SyncMaster 191T 19" Flat Panel LCD...

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