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On Sat, Aug 09, 2008 at 10:34:42AM -0400, jbk wrote: > Jeff Kinz wrote: > >On Sat, Aug 09, 2008 at 07:36:41AM -0400, jbk wrote: > > >I have a year old MB that has recently refused to restart > > >after a shutdown unless I shutoff the Power Supply for an > > >hour. Then it will boot up into the OS and then after a > > >short period powers off. .... > >Sounds like a classic case of PS-heat death, one of the more common > >ways PS's go bad. see if the syndrome goes away if you use a different .... > > I have the MB out of the case now with just the PS, Monitor, > keyboard & mouse plugged in. The system is powered up and > running in the Bios setup utility so I can monitor the > temperature and fan speeds. I have shut it down and > restarted it twice after about 15 minute intervals. I am now > going to let it run for a half hour to see if it will auto > power off. > I have two power supplies that I have switched between, they > both exhibited the same symptoms when in the case. I have > bought a third but will not try till I've eliminated shorts > on the MB as a cause or the other two PS's do not work.
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