wlaidlaw Posted June 12, 2007 Share #1  Posted June 12, 2007 Advertisement (gone after registration) The following tip may be of use to Powermac users.  I have a dual 2.3 Ghz G5 Powermac that is just coming up to two years old. For the last couple of weeks, since I was back in the UK, it has been behaving very badly, locking up, failing to wake out of sleep or hibernation etc. I had done all the usual things like defragging, repairing permissions, full anti-virus and trojan scan, clearing caches, running daily, weekly and monthly scripts, resetting the PRAM, and SMU, all to no avail. I talked to my friendly local repairman, who could not immediately think of what could be causing this. He came back to me later and suggested that if I had been away quite a lot recently, with the PMac shut down, the back-up battery might be low. I changed this and it seems like a total cure. The only bad news is that I paid £23-50 for it at my local Cancom, and I have now found the identical battery, by the same maker, is available mail order for just £5-29.  Wilson Link to post Share on other sites More sharing options...
Advertisement Posted June 12, 2007 Posted June 12, 2007 Hi wlaidlaw, Take a look here Useful tip for Powermac users. I'm sure you'll find what you were looking for!
ceflynn Posted June 12, 2007 Share #2 Â Posted June 12, 2007 If the Macintosh is unplugged, the drain on the battery is considerably greater than it is when the Macintosh is plugged in. Link to post Share on other sites More sharing options...
wlaidlaw Posted June 12, 2007 Author Share #3  Posted June 12, 2007 If the Macintosh is unplugged, the drain on the battery is considerably greater than it is when the Macintosh is plugged in.  Charles,  My Mac man says that even if it is plugged in but shut down, the battery will run down. He suggested that I remove the battery every time I am away for more than a month. Nice idea but when I get back to the UK late at night, having fought with airports for the previous few hours, I don't want to mess around with opening up my Powermac and putting a battery in. I will buy a pack of 4 spares for £20 and replace once every 6 months.  Wilson Link to post Share on other sites More sharing options...
ceflynn Posted June 12, 2007 Share #4 Â Posted June 12, 2007 There are plenty of people who have Macintosh computers in use for many years, during which time the Macintosh is always plugged in. The lithium battery lasts as long as its shelf life permits. When the Macintosh is not plugged in, the battery has to power the quartz clock, and maintain the settings in the PRAM. Link to post Share on other sites More sharing options...
charlesphoto99 Posted June 13, 2007 Share #5 Â Posted June 13, 2007 I've been having a lot of the same issues with my G5 tower and tried many of the same fixes. I'll give this a try. Thanks! Link to post Share on other sites More sharing options...
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