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当前版本: mister790 ,

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Tough one -- could be just about anything. But the last time I had a computer similar to this conk out on me (it was a B&W G3), I checked all the hard drive connections, unplugging them and replugging them. If I'm remembering correctly, I think I also swapped the PRAM battery with a PRAM battery from a different, working computer. And I may have removed and reseated the RAM. The computer eventually started back up, but I'm not certain exactly which of my various tricks brought it back.
 
UPDATE: You can find teardown and repair guides for some G4 PowerMacs here: http://www.ifixit.com/Guide/Browse/Power_Mac
 
A couple of safety tipstips, in case you haven't opened a machine like this before -- be sure to unplug the machine before you open it up. Be sure to wear an anti-static strip and/or frequently touch metal while working on the machine to decrease the chance of static electricity frying the machine. And take special care when working inside these machines -- there are some sharp metal edges inside and you don't want to cut yourself.
A couple of safety tipstips, in case you haven't opened a machine like this before -- be sure to unplug the machine before you open it up. Be sure to wear an anti-static strip and/or frequently touch metal while working on the machine to decrease the chance of static electricity frying the machine. And take special care when working inside these machines -- there are some sharp metal edges inside and you don't want to cut yourself.

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编辑: mister790 ,

文本:

Tough one -- could be just about anything. But the last time I had a computer similar to this conk out on me (it was a B&W G3), I checked all the hard drive connections, unplugging them and replugging them. If I'm remembering correctly, I think I also swapped the PRAM battery with a PRAM battery from a different, working computer. And I may have removed and reseated the RAM. The computer eventually started back up, but I'm not certain exactly which of my various tricks brought it back.
 
UPDATE: You can find teardown and repair guides for some G4 PowerMacs here: http://www.ifixit.com/Guide/Browse/Power_Mac
 
A couple of safety tips -- be sure to unplug the machine before you open it up. Be sure to wear an anti-static strip and/or frequently touch metal while working on the machine to decrease the chance of static electricity frying the machine. And take special care when working inside these machines -- there are some sharp metal edges inside and you don't want to cut yourself.

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原帖由: mister790 ,

文本:

Tough one -- could be just about anything.  But the last time I had a computer similar to this conk out on me (it was a B&W G3), I checked all the hard drive connections, unplugging them and replugging them.  If I'm remembering correctly, I think I also swapped the PRAM battery with a PRAM battery from a different, working computer.  And I may have removed and reseated the RAM.  The computer eventually started back up, but I'm not certain exactly which of my various tricks brought it back.  

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