Question about IBM ThinkPad T43 Notebook

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IBM T43. Works perfectly on external monitor. At startup the laptop screen shows hundreds of multicoloured vertical lines which are evenly distribited across the screen. After a few minutes the pattern changes to a predominant blue green screen with a few dark vertical lines each a few millimetres across.

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Connection between the screen and the motherboard is not correct, maybe ribbon cable have interruptions. The video card is good.

Posted on Mar 31, 2011

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This sounds similar to a fault i had with an old dell laptop... very thin vertical lines running the length of the screen. Unfortunately it was an LCD problem, the screen was kaput replacing the screen solved the problem.

To test if it is an LCD fault, simply plug your laptop into an external monitor... if you get no lines on external monitor then its a faulty LCD screen.

Is that solution genuine enough for you?

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Laptop screen displays vertical lines of various colours


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You have identified the fault is the video card, I am in agreement. The fault is on the motherboard and a replacement motherboard is the only fix. This may not be a cost effective solution, I would recommend you put your money towards a new laptop.

Jun 27, 2009 | IBM ThinkPad T43 Notebook

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Ibm thinkpad t43 backlight inverter issue


Did you say the the video output flickers on and off when you connect an external monitor to the video output. If the inverter is faulty this would not affect the video output and the external monitor would not flicker but if the external monitor flickers it would point to a video card problem.

Jun 13, 2009 | IBM ThinkPad T43 Notebook

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Double display with my IBM think pad T43


have you tried Function F7/F8 ?
Make sure that your display driver is installed correctly.
I had the same Laptop as you did and was able to have dual monitor.
Also check your Display driver in your control panel and make sure it set to dual monitor.

May 12, 2008 | IBM ThinkPad T43 Notebook

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