Why don't you provide a Speccy screenshot...and list the make and model of your power supply as well...it is not shown on the Speccy screenshot.
As for drivers...if you are having issues with them you need to use DDU to uninstall the old driver and then install the new driver.
Info for these two things is below...
Get SPECCY here: http://www.piriform.com/speccy/download ...get the
FREE version from the:
Piriform Link ...Speccy is a really nice system hardware/temperature, information Utility.
...simply install it...and run the program...then post a screen shot of the main page of the program, when posting a problem/question on these forums.
DDU Instructions - Nvidia1. Get this program, here:
https://www.wagnardsoft.com/ ...get tyhe latest version, and save it to your desktop.
2. Get your vid card driver here, use the
Manual Search:
http://www.geforce.com/drivers ...save this to your desktop.
3. Run DDU (Display Driver Uninstaller) choose the "Highly Recommend Option", and just do what it tells you. If it wants to go into "Safe Mode", let it.
4. After it's done and comp has rebooted to normal mode, just double click the Nvidia driver to install. If it want's to reboot, let it.