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Mac Forum / General / General / April 2007G5 power up problem
G5 2mhz tower Turning ON the Mac after 30 minutes is OK but if the computer is OFF for 4 hours or more then the Mac frooze at startup: no screen, no USB (the mouse don't light ON). I must reset (holding down the front button 5 secondes) to boot correctly. However if the G5 is not only turn OFF but the AC cable unplug the Mac boot perfectly. A similar problem happen when the computer go to sleep for more then 30 minutes: the mac frooze, no screen, no mouse. Any suggestion will be appreciate. > G5 2mhz tower > Turning ON the Mac after 30 minutes is OK [quoted text clipped - 10 lines] > > Any suggestion will be appreciate. Dead battery maybe?  SignatureW. Oates >> G5 2mhz tower >> Turning ON the Mac after 30 minutes is OK [quoted text clipped - 12 lines] > > Dead battery maybe? Yep. I was thinking that or PRAM/PMU needs to be reset. SignatureJR > Dead battery maybe? I guess no since date and time work fine... >> Dead battery maybe? > > I guess no since date and time work fine... Maybe it's not dead *yet*, but is low enough in voltage to cause malfunctions - quite possible. Anyhow... Did you reset PRAM? Did you reset the PMU? SignatureJR > G5 2mhz tower > Turning ON the Mac after 30 minutes is OK [quoted text clipped - 10 lines] > > Any suggestion will be appreciate. ====== http://docs.info.apple.com/article.html?artnum=86760 |
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