Fixing display flicker for Dell monitors on Apple Silicon
If you have a Dell monitor and an M-series chip from Apple, you may have encountered flickering issues with your monitor which — at times — can render it completely unusable. The issue appears to be fairly widespread and can affect a number of Dell model and Apple silicon chip combinations, and has been acknowledged by Dell. The flicker is caused by the monitors LCD panel’s Image Compensation Algorithm (ICA) function repeatedly turning On and Off. The YCbCr Video generated from the Macs is at 17Gray level, it fluctuates between 15Gary and 17Gary. Hence it is repeatedly turning On and Off, the ICA which has a threshold setting of 16Gray. ...