Guild Wars 2

I’d take a hard look at your nvidia graphics control panel options. SLI can be tricky and buggy both on driver and/or game side. Sometimes it may even be a BIOS setting tweak you may need to make.

Millamax, if I were you, I would take a hard look your temperatures for computer. Perhaps a fan inside your computer failed and is causing heat issues.

Take a look at System Information for Windows software. http://www.gtopala.com/

It should a sensor page which you can view temperatures. Usually hard crashes are due to:
bad drivers
high temperature
bad power supply

If none of these work, I’d recommend getting a friend to install fresh windows 7 on your system without the manufacturer included “extras”. you’ll want to have an oem disc to install from your computer manufacturer so it activates properly.

great way to get all buttons working is to map mouse buttons to keyboard keys with something like:

http://www.highrez.co.uk/downloads/XMouseButtonControl.htm

works great, no need to use clunky manufacturer mouse software.

mouse really shouldn’t need any additional drivers, windows provides the basic ones that should have all buttons accessible.