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Green horizontal lines on display

Hello everyone. I bought this new led monitor dell 2240l and whenever I start with a HDMI cable it shows green horizontal lines on the whole screen. I have sapphire radeon HD 7950 as gpu

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  • 10 Answers

First thing to try is another HDMI cable and see if this fixes the problem. Seen a bad cables way too many times...

Second: update your videocard to the latest drivers:
You can find the correct drivers @ AMD support. Click the link and choose the correct settings. Then click display results. Download & install.


Third thing you could try is another monitor. Even a new monitor can be broken. Not uncommon. If another monitor has a good image then return your new one and let them give you a good one

Good luck!

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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SOURCE: Laptop dispalys to monitor but laptop panel cannot be activate

Hi,

Thanks for all the details..

The issue seems to be with the video card drivers here...

Go to www.hp.com/suport and download the latest video card and the chipset drivers

before you download ...uninstall the nvidia chipset or any display software from program and features.

after you have installed the software.. go to the nvidia control panel > setup multiple monitors. and browse throughout the options >
It should be dual display and not extended display.

Also try with a new user profile...

Hope this helps..
Regards,
Anup

Posted on Apr 08, 2009

haayz
  • 197 Answers

SOURCE: Display problem - Dell D600

Try re-installing the ATI Redeon graphics driver (video driver). If problem persist, I suspected its your video card is having a problem. I believe it is built in on your machine. So you need to replace a system board.

If machine is under warranty, no need to pay for the repairs.

Posted on Jun 02, 2009

  • 1 Answer

SOURCE: Dell Inspiron 6400 PC Notebook shows black screen after startup

I have a Inspiron 530 when I turn on it you can see that everything start ok but before I type my password everyting turn black an the only you can see is the litlle white arrow of the computer mouse

Posted on Jul 25, 2009

  • 3940 Answers

SOURCE: Laptop Screen White horizontal lines

Try reseating the LCD cable to the video card. If no change, then you will most likely need a replacement LCD (Roughly $150 on EBay)

Posted on Oct 01, 2009

  • 158 Answers

SOURCE: I have purchased a dell inspiron N1510 2 months

See if this happens outside of windows, when you first start up the computer, press f2 on the dell logo to get to setup. See if the green line happens here. Next, if possible, hook up an external monitor to the laptop and see if the green line is present on the external monitor. If the problem is present on the external monitor, you have a motherboard (or video card) issue. If the problem does not happen on an external monitor, but only on the LCD of the notebook, you have an LCD problem. You could probably get inside and try reseating the display cable. Here's the caveat, though. If your system is 2 months old, most likely it's under warranty. If you damage it by taking it apart, that is not covered by warranty. Your best bet is to try the few simple steps that I outlined and contact dell tech support, explain to them what you have done, and they should be able to set up a warrantied service call for the repair.

Posted on Feb 28, 2011

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Not good. You may have a tab failure. A repair shop may be able to diagnose and repair this, but most likely the lcd panel is broken. The panel is the most expensive part of flat tv's. A new panel will cost more than a used tv.

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If this projector is connected by Component Video (3 or 5 wires) instead of HDMI, the most common color related problems are caused by having one of the 3 video cables (Red, Blue or Green) with a bad connector. If everyone is a green smurf the problem is with the red cable. If everyone is a red smurf the problem is the blue cable. If the green was bad you wouldn't see anything.
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1 Answer

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I believe that you must reset the colors of the screen by the buttons on it or try to set colors by the software that the product came with it if any. There should be a setting to configure the 4 basic colours like red green black etc. Try to adjust green. If nothing helpes go the monitor back to test it by the store you bought it if there is warranty. Hope that helped!

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2. your monitor connected to another system.

3. neck board dry points.

4. cheak the display cable. 13&14 pins are horizontal, vertical signals.1, 2, 3 pins , R G B , 6 ,7, 8 pins R G B ground ( coaxiler cable used , meshed wire is ground )

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