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imac275

macrumors member
Original poster
Mar 24, 2013
77
2
I leave my iMac in sleep mode all the time, but in the past couple of days when I wake it up I have noticed it goes to a dim screen for a second and then the full brightness after that.

It is the same when I put it to sleep manually, dim for a second before going off altogether.

Is this usual and I just haven't noticed it before?

It is a 2017 27" base with SSD.
 
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