Resolution changed - to low res

sargan

Distinguished
Jul 4, 2012
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I have a PC with an NVIDIA GTX 560 Ti graphics card, and use a Samsung S23C650 monitor .
This is normally set to resolution of 1920 x 1080

Today I run IOBIT driver update - and it updated some drivers ... and now my screen resolution is way off ... set to 1024 x 768.
If I go to settings it does not show anything higher than 1024 x 768 and if I go to adapter (NVIDIA GTX 560 Ti) it only lists modes up to 1024 x 768. Looks like this driver update has messed up my display adapter ..... anybody know how to recover ?

NVIDIA adapter shows driver 21.21.13.7633
There is a button to 'roll back driver' ... thought I would ask for advice first.