1 person found this helpful
Does turning off »Use Graphics Processor« in the Performance Preferences (Photoshop > Preferences > Performance > Graphic Processor Settings) and restarting Photoshop have any bearing on the issue?
What have you done for trouble-shooting so far?
Restoring Preferences after making sure all customized presets like Actions, Patterns, Brushes etc. have been saved might be a good starting point:
hi, so i turned off the graphics processor thingy as advised and then restarted in safe mode- this seemed to do the trick, thanks
Unfortunately this is no proper solution as it invalidates GPU dependent features (like the Rotate View Tool and some Filter acceleration for example) but it indicates problems with the GPU driver or the OS.
If the GPU itself is sufficient at least – on this page there is a list of tested cards: