Satellite M30: coloured lines run up and down on display

Hi there
Ive got a problem with the display on my Satelite M30. I can boot into windows fine etc but coloured lines run up and down my display as well as general artifacts. I cant even install nvidia drivers without a blue screen.
The strange thing is that if i apply pressure to the left side of my touch pad i can instal the drivers and everything is fine! Release the pressure and the computer crashes. Ive opened the laptop up and can find nothing that could be causing this.
Any insight here?
Maki43

Hi
You could check if the problem is related to the LCD monitor or to the graphic card.
Try to connect the external monitor and check if the lines appear on the second display.
If the lines does not appear then the graphic card should be ok.
Did you try to install the graphic driver from the Nvidia website??? Such drivers are not designed for the usage on the Toshiba notebook. You have to use the own Toshiba graphic drivers because the drivers supports an overheating protection.
If the temperature increases to the higher, critical level the Toshiba drivers will decreases the graphic card performance.
The other graphic drivers dont support such function and therefore the graphic chip can overheat!
Anyway, I think also the technician should check the notebook

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