I then have to use the power button to turn the computer off and when I try to start it back up, everything loads however all I get is a black screen where the log in page should be.
I have recently upgraded to Windows 10 (64-bit) but since upgrading have been unable to update my Graphics Driver to enable my son to continue playing Minecraft etc on my PC.
You can click on your card for further information, such as the currently installed driver information.
Go to the website of your graphics card manufacturer and find the area for driver downloads.
After installation you will be required to restart your computer for the changes to take effect.
Keeping your drivers updated is crucial if you want to achieve maximum performance.