Thanks to Greg and all those who responded to my problem. I removed the battery and turned off the AC power for a while. It then rebooted from the AC power but I have lost my settings of course. Thanks Mark.
I will now investigate the health of the battery and the other suggestions. Lloyd > Try resetting the power management unit (PMU) - there are articles on how to > do this on the Apple support web site. Also, reset PRAM by holding down > cmd-opt-p-r when booting. > > I also recall seeing some articles on PB G4s not waking from sleep - have a > search for those as well. > > Cheers > > Greg > > >> From: Rob Phillips <[EMAIL PROTECTED]> >> Date: Tue, 4 Oct 2005 13:22:14 +0800 >> To: WAMUG Mailing List <[email protected]> >> Subject: Re: Powerbook G4 >> >> Sometimes my power supply just stops charging. I pull it out of the >> socket and plug it in again. It works again. >> >> Once before, the sleep switch connected to the locking catch on the >> lid was faulty. I tried opening and closing several times. >> >> Rob >> >>> Sounds like the battery didn't charge for some reason. Does it start up when >>> you have it plugged in to the mains? >>> >>> Have experience of laptops not starting up at all if battery power too low. >>> >>> Quoting Mark Secker <[EMAIL PROTECTED]>: >>> >>>> Is the AC adaptor showing green or orange or no light (maybe you've >>>> lost mains power)? maybe dead battery but if on AC this shouldn't >>>> matter.... >>>> >>>> without going in depth but have you tried removing the battery and >>>> the external power supply (OK so this will power off the machine >>>> rather than wake it but....) >>>> >>>> seen this with sleep when screen savers or programs have hung when >>>> the machine goes to sleep or wakes up also using external drives that >>>> have been disconnected or powered down and also with wireless >>>> connections that are no longer available - also faulty/dying logic >>>> boards cause this but >>>> >>>>> My PowerBook G4 has been sleeping all night plugged into the power but >>>>> this >>>>> morning it will not wake from sleep. I've touched all the keys, space bars >>>>> etc and removed and reinserted the battery all to no avail. >>>>> >>>>> Pressed and held the on/off button for 15 seconds or so but nothing >>>> happens. >>>>> The little blue indicator light is on and pulsing slowly. >>>>> >>>>> The battery only shows one light when I press the little button. Should it >>>>> show more and is this important if the AC power is on? >>>>> >>>>> Any suggestions? >>>>> >>>>> Lloyd >>>>> - >>>>> >>>>> >>>>> >>>>> -- 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:[EMAIL PROTECTED]> >>>>> >>>>> WAMUG is powered by Stalker CommuniGatePro >>>> >>>> -- >>>> ~ >>>> Mark Secker Computer Support Officer >>>> ph# 61-8-6488 1855 (ECEL) <mailto:[EMAIL PROTECTED]> >>>> University of Western Australia - CRICOS Provider No. 00126G >>>> ~ >>>> >>>> "It takes an idiot to do cool things.... that's why it's cool" >>>> - Haruhara Haruka (FLCL) >>>> >>>> Ubi fumus, ibi fumus >>>> >>>> >>>> >>>> -- 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:[EMAIL PROTECTED]> >>>> >>>> WAMUG is powered by Stalker CommuniGatePro >>>> >>> >>> >>> >>> -- 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:[EMAIL PROTECTED]> >>> >>> WAMUG is powered by Stalker CommuniGatePro >> >> >> -- >> ------------------------------- >> Dr Rob Phillips, Educational Designer, [EMAIL PROTECTED] >> Room 4.38 Teaching and Learning Centre, Library North Wing >> Murdoch University, South St, Murdoch, 6150, Perth, Australia >> Phone: +61 8 9360 6054 Mobile: 0416 065 054 >> Executive Member, Australasian Council on Open, Distance and E-learning >> (ACODE) >> Want info about ICT in education? >> http://lists.murdoch.edu.au/mailman/listinfo/online-tl >> ------------------------------- >> >> -- 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:[EMAIL PROTECTED]> >> >> WAMUG is powered by Stalker CommuniGatePro >> > > > > -- 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:[EMAIL PROTECTED]> > > WAMUG is powered by Stalker CommuniGatePro -- Lloyd White 22 Challenger Parade City Beach 6015 Western Australia Phone and Fax: (08) 9385 8174 Email: [EMAIL PROTECTED] Write a Winning Job Application. 3rd Edition See the Website: http://lloydwhite.iinet.net.au
