Question about Toshiba Tecra M4-ST1112 PC Notebook

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Laptop has blurry pixelated vision and many horizontal lines that make it hard to see anything. the problem starts even when booting and worse after windows loads. pliz help.

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Video corruption caused by failed video chip. Since the video chip is part of the chipset you must replace the entire motherboard. 

Posted on Jul 29, 2010

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Posted on Jan 02, 2017

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Red horizontal line on my screen


You may have a problem with you video on motherboard.
Try removeing the memory and reseating.

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My acer laptop screen has ''coloured lines'' on it's screen,how did this happen?


LCD suffer from wear and tear just like anything else. LCD can simply fail. Also heavy impact or applying to much pressure to the screen and damage the capacitors and transistors that control display of color on the screen.

Lines can form when adjacent pixels are damaged and sorta of join together this way ll or multiple pixels are recieving a voltage in either a horizontal or vertical line or even in a bing blob on your screen.

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If you are using a component connection just swap the green and red cables on both sides.
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Pixeled picture, Red color, blurry and smeared images


Ghost image and snowy colorful pixelation with vertical black bars? You can try a hard reset by unplugging the unit completely for 4 hours. However you may have a prob with the YSUS and the YBU-L (YBuffer Upper-Lower.) Perhaps even the Logic Main may be defective. If you are still under warranty take it to a service center ASAP. If not Get out your Voltometer. You can email me for some help...

gysgt2u1@yahoo

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Sounds to me more like an LCD display issue

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Brown horizontal lines sporadically appearing on monitor


I had the same problem. I fixed it completely today. The horizontal lines disappeared. IT IS DEFINETLY THE DEVICE DRIVER. I confirmed my monitor model tyope (dell M783s) and downloaded the specific driver for this monitor.

I had to do these exact steps or did not work.
1) with the problem screen, disabled the display adapter under the Hardware/Device Manager settings.
2) Restart the PC
3) Boot will come up with brown lines still but the screen will low resolution of 600x800.
4) Then I installed the correct device display monitor driver onto the pc. ( you may need to scan for new hardware, then choose the directory with the new hard drive.)

If you need step by step... just reply back.

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Horizontal lines have recently started appearing in all photos


I just took mine to casio and they repaired it for free even though warranty was up. I would contact them. 

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Monitor goes blurry, colours/pixels start shaking across screen


Do you have your screen saver enabled, i so turn it off and se if it still does it. Secondly boot your pc in safe mode(pressing F8) on boot up and select start windows in safe mode. See if the monitor still does it, if so a monitor fault or loose/faulty vga lead. If it is ok then your graphics driver may be corrupt and need re installing.

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