Qosmio F20 - display problem, driver problem-possible

Good afternoon

I am in possession of a portable type Qosmio F20, which belongs to a friend. She told me that the screen went all the matrix as so that it was just empty. She claims not to have installed any software or updates recently.

When turned on, the Qosmio logo on black background appears, then it appears a black screen with a lot of white lines vertically downwards. He then referred to the Windows XP logo, but this time with green lines appearing vertically down the screen, a little style of the matrix, I guess! After that, the screen is completely empty and the laptop will recharge itself, or occasionally I hear it start windows.

I can enter in safe mode and discovers everything fine. If I uninstall the driver, it works very well and boots as normal, then invites me for a display driver. As soon as I install the driver that I downloaded from the site Web of Toshiba (NVIDIA GeForce Go 6600) and reboot, the same problem occurs. If I install the driver, and then select do not restart, it's ok. But as soon as I go to display settings and try and change anything, the screen turns off instantly again.

I tried to roll back to an older driver that has been dated to 29/08/2005 v7.8.9.2, but still the same problem.

Can anyone suggest a possible solution for this? Or is there a problem with this I don't know? The operating system is Windows XP Media Center SP2. He worked very well until yesterday morning apparently.

Thank you very much

Hello

It's certainly a bad operation of the equipment and I'm sure that the graphics card is defective. The warranty is still valid?

Tags: Toshiba

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