I just built a new PC, and photoshop lags when I am using the master brush and smudge tool. Sometimes it lags so much that photoshop becomes unrresponsive, and I have to quit it via the task manager. My PC should have more than enough power to run photoshop without any lag.
Steps I have tried to fix the problem:
1) turned off smoothing
2) allocating max resources to photoshop by using the performance settings.
3) Overclocking PC to increase performance
4) Updated graphics card driver
Does anyone have any suggestions that could help me solve these lag issues?
You have almost most powerful machine at the moment. Can you expand Brush Settings and capture screenshot. Try to reset Brush Settings, in the past it was happening to me with huge brush size and Scattering.