Imac typing lag,clicking, added characters
27 inch retina dec 2014. After downloading El Captain.
Spasmodically when typing in safari or mail there will be significant lag
and sometimes added characters say in passwords. Box will show up with
little characters. Lots of clicking like key being held down.
Only way I know to resolve is to restart. Four calls w Apple care.
PRAM, cleared cache, reinstalled El C, changed keyboard batteries.
Still a problem. Any suggestions? Thanks
iMac with Retina 5K display, OS X El Capitan (10.11)