Thanks for the procedure. I take it that resets PRAM. Will throw it over the wall and see what happens!
-Carl > On Dec 27, 2017, at 9:28 AM, @lbutlr <[email protected]> wrote: > > On 27 Dec 2017, at 09:19, Carl Hoefs <[email protected]> wrote: >> Is the following a known problem with older iMacs running Sierra? > > Not specifically, no. > >> A (not-so-very-computer-savvy) friend writes: >> >> "… Now the iMac won't wake-up with a mouse click in the morning. ... I get >> a grey screen and then the computer restarts. After it restarts, it takes >> forever to find the magic mouse. Once up and running, it is OK until the >> next morning. …” > > Does this happen from sleep? Is it possible the machine is not restarting, > but it waking up from hibernation mode? How old a machine is this? > >> Sounds like a hardware (mobo) problem to me. Time to get a new iMac? > > It's *always* time to get a new mac! > > But seriously, not necessarily. The usual things to try apply: > > 0. Is all the software up-to-date and patched? > > 1. Shut down the computer and unplug it from power for at least 30 sections. > > 2. Reboot with the shift key down, login with the shift key down. Reboot. > > Then, if the problem persists, > > 4a. [create a new user if there isn't a second account] > > 4b. Restart and login to another user account and see if the problem > continues. > > Still problems? > > 5. Try to run a speed test on the disk. You can do this manually if you're > CLI literate, or there are some free utilities like Blackmagic's Disk Speed > Test. If the disk is super slow, it is probably failing. Backup and replace > it, or get an external to boot from. > > 6. Reinstall the OS. This is pretty much a last hail-mark > swing-for-the-fences. > > -- > No Sigs. Blame Apple. > _______________________________________________ > MacOSX-talk mailing list > [email protected] > http://www.omnigroup.com/mailman/listinfo/macosx-talk _______________________________________________ MacOSX-talk mailing list [email protected] http://www.omnigroup.com/mailman/listinfo/macosx-talk
