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G3 draws power, but will not start-up
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Oct 14, 2007 7:06 PM
by: Grant Bennet-Al...
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From:
Terra, Sol
Registered:
May 9, 2005
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G3 draws power, but will not start-up
Posted:
Aug 25, 2007 11:32 AM
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OK, I stopped using this computer a few weeks ago. Needed to run it to retrieve some files. The monitor connected to it works fine (the G3 has a plug for the monitor's AC). But the Mac just won't power up. No fan. No chime. Nothing on screen (the monitor goes to sleep due to no signal from the Mac). I put in a new Lithium battery, the cables seem fine. Practically no dust. I have a multi-meter. But I'm embarrassed to say I don't know how to use it.
Does anyone have any suggestions?
B/W G3 OS9.1 768 RAM, 6 + 40GB HD 350mhz
Mac OS 9.1.x
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9,223
From:
West of Boston, USA
Registered:
Apr 21, 2001
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Re: G3 draws power, but will not start-up
Posted:
Aug 25, 2007 12:20 PM
in response to: Eric Basir
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Helpful
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A new battery assures you that the PRAM can remember. But what it remembers may be junk.
Open the side door, find the tiny button nearest the battery, press and hold it for a quarter minute (avoid momentary presses). Then try to start again.
If no joy, press and HOLD these four keys on the keyboard:
Command Option P R
then press the button to power on, continue to hold the four keys until you have heard four sets of chimes, then release. This has been said to cause reluctant Blue & White G3s to start.
Let us know your results.
Q840AV,5500,G3 AIO,G3 B+W,G4/867
Mac OS 8.6 or Earlier
and 9.2, 10.3 and Server - LW IIg, LW 4/600, ATalk ImageWriter LQ
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Posts:
270
From:
Terra, Sol
Registered:
May 9, 2005
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Re: G3 draws power, but will not start-up
Posted:
Aug 25, 2007 2:22 PM
in response to: Grant Bennet-Al...
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Grant, my man, the tiny button nearest the battery did it! Excellent advice. I never knew about that button. Amazing. THANK YOU.
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1
From:
london
Registered:
Oct 14, 2007
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Re: G3 draws power, but will not start-up
Posted:
Oct 14, 2007 10:53 AM
in response to: Eric Basir
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Hi,
I had more or less the same problem as Eric except that my G3 does chime. But nothing happens after that. (The screen goes to sleep). You can hear something working but after the chime-nothing.
I too put in a new battery and I tried pressing the little button-well, actually, there are 2 little buttons next to the battery and I wasn't sure which one of them I should press so I pressed both!
But still nothing. I can start it up and use it by doing the P-Ram thingy but I'm aware this obviously isn't a long term solution.
I'm a bit useless with computers so any suggestions on what I should do in layman's terms would be greatly appreciated.
Thanks.
g3
Mac OS X (10.3.9)
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Posts:
9,223
From:
West of Boston, USA
Registered:
Apr 21, 2001
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Re: G3 draws power, but will not start-up
Posted:
Oct 14, 2007 6:47 PM
in response to: I don't speak i...
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i dont speak imac-
I don't think you get anywhere by holding down BOTH buttons at once, but you should be able to make progress by pressing-and-holding one button, then the other. If yours in an iMac rev A or B, or original 5-colors, this labeled map showing CUDA button may help:
http://macgurus.com/products/motherboards/mbppcimacorig.php
The reset to the PRAM with the keyboard:
With power off, hold down four keys:
Command Option p r
press the power key or power button
continue to hold down the four keys until you have heard the chimes four times.
The parameters should now be set to factory defaults.
These parameters are used before your Hard drive is accessed to make your Mac's startup pleasant and painless. When the PRAM backup battery goes dead, the parameters can easily get corrupted. If resetting the PRAM is needed more than once in a blue moon, you need a new PRAM Backup Battery.
These 3.6 volt non-recharging batteries, 1/2 the length of AA battery, will last three years or more in regular use. If your Mac is on a power strip that is switched off at night, battery life will be much shorter.
Although somewhat dated, this web site has some information on Mac batteries, and some international sources:
http://www.academ.com/info/macintosh/
Message was edited by: Grant Bennet-Alder
Q840AV,5500,G3 AIO,G3 B+W,G4/867
Mac OS 8.6 or Earlier
and 9.2, 10.3 and Server - LW IIg, LW 4/600, ATalk ImageWriter LQ
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