why will my imac not update from 10.7.5 to 10.8
why will my imac not update from 10.7.5 to 10.8
My imac won't update to 10.8 but keeps reminding me to update to use some of my apps but then when I try to update it doesn't work it downloads and says it installs but it doesn't actually install
iMac (27-inch Mid 2011), Mac OS X (10.7.5)