Okey. Some people dont have the option to do windows update

if you know what i mean.
1. Right Click on your desktop > Properties : Settings
Just check that your Colours is on : True Colour 32Bit
or
2. Uninstall all the card software, And drivers. Then Restart the computer. Install it all again Like usual. Then after installing it all fresh, Just do as a bove and check that its on True Colour 32Bit..
Should Solve it. If not, Download the latest drivers from
nVIDIA