Hi wamuggers For a few weeks now (starting before I upgraded to 10.15), when I wake my iMac from sleep it comes alive normally, then goes black for about 2-3 secs then lights up again, very bright, then gradually fades back to the normal brightness setting.
After looking at various forums I have: uninstalled and discarded all evidence of Google Chrome reset the PMC reset the NVRAM (Command opt P R) Any suggestions? Is this a hard disk failure pre-announcing itself? (Backups working happily) iMac 27in, late 2013, Catalina 10.15.2 Cheers Mike Mike Murray and Lesley Silvester TimeTrackers PO Box 197 Melville, 6956 Western Australia Tel (08) 9339 8078 International +618 9339 8078 Mob 0407 669 376 British and Australian genealogical and historical research, education, publishing, film-making and DNA consulting www.timetrackers.com.au
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