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johndyoung5
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Posts: 5

Powermac 7100/66 - 2007/03/26 09:48 We have a powermac 7100/66 we use as a second computer. It was accidentally left on overnight and now is as dead as a rock. The start key on the keyboard no longer works. No power light/no start up etc. Does this thing have a fuse or circuit breaker

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krowmagnum
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Posts: 948

Re:Powermac 7100/66 - 2007/03/26 15:57 There's no replaceable fuse or breaker in your 7100.

One thing you could try is to replace the PRAM battery if it's an old one. Some of the older Macs don't like to boot with a dead battery. I'm not sure if the 7100 is one of those Macs though.

Try pulling the battery out of it and let it sit overnight unplugged. Put the battery back ina try to boot it.

Let us know if you have any luck.

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toddphillips
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Posts: 10

Re:Powermac 7100/66 - 2007/04/26 18:38 Well, it's been about a month... did you get it going?
I have a 7100/80 that I bought at a church auction for $50 with a "boat anchor" monitor more than a year ago. Runs fine on OS 9, of course... I bought it because I have a bunch of old apps and files on ZIP disks from the days when I had a collection of 68k machines in the golden days of System 7.6.5.
Anyway, by now you know that there is a 3.6v lithium battery in your PowerMac, and depending on how old it is, that could be part of the problem. Leaving the machine running all night doesn't drain the battery because it's essentially for keeping the date/time info, and some other stuff intact when you shutdown. When your Mac is turned off, there's a little trickle of power coming from the battery to do that. When turned on, the battery is not powered, or better, power isn't coming from the battery for any functions.
Hope you got the thing going again. I've never had a Mac really die on me (I once had three dozen of them, really!). There's always something that can be fixed. I once owned six MacPluses and the floppy drives were the only part that went bad, for the most part. I did have to replace batteries from time to time in all the 68k machine I used to have.
Based on previous experience, I'm sure I can find a fix for my iPod saga (check the forum) since all my other Apples were brought back to life in one way or other.

Post edited by: toddphillips, at: 2007/04/26 18:41

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