> On 29 Nov. 2016, at 10:45 pm, Stephen Chape <[email protected]> wrote: > > Hi folks, > > My iMac is a December 2012 model 21.5 inch with i7 processor. > I am using the latest macOS Sierra. > > During the past 2 weeks it has frozen about 80 percent through the startup > bar. > I have had to hold the power button till it shuts down. > Then restart …. each time with success. > > Any ideas why this may be happening and how to fix it please ? > > Regards, > Stephen Chape > >
Try starting in Verbose Mode (hold down Command & “V” when starting up). This will take you to a black text-based display full of code, but you’ll see all of the various processes as they launch during the startup phase. No guarantees, but it may be helpful in identifying just what is causing things to shut down. For more info, look at https://support.apple.com/en-au/HT201573 <https://support.apple.com/en-au/HT201573>, or search for “Verbose Mode Mac”. Peter Hinchliffe Apwin Computer Services FileMaker Pro Solutions Developer Perth, Western Australia Phone (618) 9332 6482 Mob 0403 046 948 -------------------------------------------------------------------- Mac because I prefer it -- Windows because I have to.
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