I've run across some PCS cards (is that the term?) that prevent a Mac from waking up. One was a SCSI card, the other was a Belkin USB or firewire card. Both required shutdown and restart if the computer went to sleepl
On Feb 4, 2010, at 10:26 PM, Stan Halpin wrote: > Not sure of your question. When you say "won't boot" are you talking about a > system that is turned off, and now you are turning it on? One that is asleep > and you are waking it? One where one user is logged in, you are trying to > switch to a different user? Or one that is running, and you chose File Menu > Restart? > > If it is the later, I can say that since at least system 10.4.2 or so through > system 10.6.2, on a variety of laptops and desktops, I very seldom get a > clean system restart via menu selection. If I load system upgrades/patches > that require a restart, managed by the patch software, they likewise do not > restart produce a restart. Blue screen with spinning wheel. Since that is the > one and only issue I can remember having with Mac system software, I just use > the power button to do a hard startup, mutter a bit, and forget it until next > time. I have never seen any indication that there is any hardware, software, > or file corruption issues stemming from the use of the hard startup. > > stan > > On Feb 4, 2010, at 11:19 AM, Mark Roberts wrote: > >> Here at the college we have both Mac and Windows systems. The Mac in my >> office won't ever boot for me on the first try. It always locks up just >> before the Dock should appear and has to be re-booted via the front panel >> power switch. Second try always works. Any suggestions? >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

