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Re: toshiba satelite m35-s456 special edition
Is the blue line appears always or only in windows? If the lines appear only within windows then there could be driver related problem.
To make sure try to enter the bios when starting your laptop. If you cal see the blue lines there, then there is a chance that you have lcd problem
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To determine if your video card is faulty, connect an external monitor to the laptop, power up the monitor first and then the laptop.
The video data will automatically switch to the external monitor and if you see a normal image then the video card is OK and the fault maybe the video cable, it may need reseating.
If the image still has the strips, the same as the LCD screen then the fault is most likely the video card or video RAM..
On some laptops video RAM uses part of the main memory modules, reseat the RAM modules and if this doesn't fix the problem then the fault is the video card. This very difficult be fixed becaused it is part of the motherboard.
The same thing happened to me today. I think it is the power supply connection to the mother board. I had to replace the motherboard 2 yrs ago with the same symptoms. I can reboot the computer 20 times and once the laptop will boot-up OK. But most of the time the power button will come one but the screen is blank. I'm not sure if I am going to get a new laptop or just replace the motherboard...again...