Apple diagnostic PPN001. Fan running high, computer slow
Can anyone advise what should be done.
Apple diagnostic PPN001. Fan running high, computer slow.
MacBook Air, iOS 11.3.1
Can anyone advise what should be done.
Apple diagnostic PPN001. Fan running high, computer slow.
MacBook Air, iOS 11.3.1
Apple Hardware Test – Invoke and Interpret
Apple Hardware test – How to run and interpret (2)
Apple Diagnostics: Reference codes
Restart the computer holding down the command - option/alt - P - R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time. You may need to do this 2-3 times.
Try a SMC reset. The article covers when this is required, but doing this will not affect anything.
Apple diagnostic PPN001. Fan running high, computer slow