For what its worth, and I could be wrong, but I had this problem some time ago and I seem to recall that it turned out to be caused by a dead internal battery.
Regards, Adrian adrianske...@me.com On 19/01/2010, at 8:23 AM, Peter Hinchliffe wrote: > > > On 18/01/2010, at 12:25 PM, David Noel wrote: > >> >> Hi Gang -- >> >> -- A surprise this morning. I was working on my iMac when a grey tint >> came over my screen, and a message came up that I had to restart the >> machine by pressing the power button till it closed, then pressing >> again till it restarted. This worked OK, but I am puzzled by what >> caused it. The temperature is 42 deg here, could this have any >> bearing? >> >> David Noel / Jan >> (Intel iMac, 10.6.2) > > > This is the Mac OS X equivalent of the Windows "Blue Screen of Death", and > occurs in response to a "Kernel Panic". Fortunately they are seen very rarely > in a properly-running Mac, and but can be produced by any number of factors, > heat being one of them. If you haven't already done so, download a copy of > the iStat Pro Widget <http://www.islayer.com/apps/istatpro/>. This handy > little Dashboard Widget tells you at a glance what the operating temperature > of your computer and CPU is at a glance. > -- > > Peter Hinchliffe Apwin Computer Services > FileMaker Pro Solutions Developer > Perth, Western Australia > Phone (618) 9332 6482 Mob 0403 064 948 > -------------------------------------------------------------------- > Mac because I prefer it -- Windows because I have to. > > > > > > > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au> > -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au>