cannot disable iMac going to sleep
My iMac frequently goes into sleep mode if nothing is done actively, but it does cancel e.g. photo uploads. This happens even if I set the sleep timer in the system menu to "never" under Energy. Screen saver is off. What am I doing wrong?
2,93 GHZ Inel Core 2 Duo, 8 GB 1067 MHz DDR3, iOS 10.8.5
iMac, Mac OS X (10.6.4)