wrote on :
In article slrngb7ojh.rs9.jim@redacted.invalid, Jim jim@redacted.invalid wrote:
I can't remember how it's phrased, but if yo ugto into System Prefs->Displays there's an option to automatically adjust the screen brightness based on ambient lighting. Might be worth turning it off to see if it helps.
The brightness symbol doesn't come on for that, at least it doesn't on my machines.
-- Richard