Thread: G3 iMac Problem
11-08-2004, 12:58 PM #1Bob11GuestG3 iMac Problem
I have a G3 (circa 2001). I was online the other night reading email and the system shutdown on me (almost like a power failure). I tried to restart the machine (using the power button on the monitor). The system sounds as if it is trying to power up (ever so slightly) but nothing happens.
I tried to 'shock' the PRAM via the keyboard, to no avail. I then tried replacing the battery, nothing. I am running out of ideas. Can any body help me out?
11-12-2004, 07:46 PM #2mateo107GuestiMac boot problems
I've most recently taken apart quite a few Rev2 iMacs, and have heard many-a-time of non-booting macs. Unfortunately, I usually don't put a super lot of time into repairing them, (usually bad analog, power, or login boards), but if you can provide a LITTLE more detail, I might be able to help point you in the right direction as to the cause of your problem.
Does the iMac Power LED turn green? Do you hear the "Happy Mac Chime"? Any other descriptions you can provide about the startup (or lackthereof) can help us pinpoint the problem.
Thanks and Good Luck!
Originally Posted by Bob11
11-15-2004, 04:19 PM #3RobertGuestOriginally Posted by Bob11
Sometimes I know the mac will shut down before he does, because the monitor changes the geometry (I don't really know how to explain this in english, sorry) or the picture gets (kind of) out of focus.
I think this problem has something to do with the "power supply" (?), but I don't have a clou how to solve it.
I need the Mac...
11-17-2004, 11:33 AM #4BadgerGuest
It can be really frustrating trying to isolate a power problem like this. I would go to: ttp://home.earthlink.net/~strahm_s/manuals.html and get the service manual. There is a full troubleshooting section on isolating and repairing startup/power problems. Unfortunately there are several dead links but the first three imac links seem good.
11-23-2004, 10:39 AM #5Matman34Guest
I have a feeling it's the Power Supply Unit. I've had 3 unit's do almost the same thing. 2 powered on, got the post chime, the hard drive started spinning and then they turned off. 1 crackled for a while and then completely died with a pop. It's obviouosly a weakness in the the old CRT imacs.
11-29-2004, 11:23 AM #6
My Father could not get his Photoshop to work last night when cropping for ebay...disk errors...
He did Norton and got lots of errors.
So this morning his circa 1999 iMac started up and promptly quit out.
He can get it to start up, but then it cuts out. If it is the power supply, can that be replaced by me? How can I test it?
I'd rather buy him a new mac than spend some rediculous amount to fix it.
Of course he now wants to retrieve his images on the iMac. :confused:
11-29-2004, 12:56 PM #7BadgerGuest
Personally, I would not spend a lot of time or money on it. It's already 5 years old and the cost for repairs could be a significant percentage of a new computer's cost. The hard disk from the old iMac can be installed in an external drive case and the contents transfered to the new computer.
11-29-2004, 04:15 PM #8
Thanks... if it's the power supply and costs less than $200 and if I can do it myself, I will probably do it.
11-29-2004, 04:30 PM #9
I just called Apple and a nice guy in Austin says if the CRT lights up before shutting down... it's probably the Logic Board... if it just lights up the button...then maybe the power supply... either way...maybe I should buy my dad a new eMac or iMac
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