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Author Topic: G4 867 QS just died!! Please Help.  (Read 1744 times)

Offline ChuckD

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G4 867 QS just died!! Please Help.
« on: July 15, 2003, 03:59:00 PM »
Ok, I'm new here but maybe you guys can help.

Problem: G4 will not boot up.

Symptom: 1. Power light comes on when touched but then goes out when let go.
2. Red led on Logic board comes on.
3. Fans and power bus to board are all operational.
4. Heat sink on CPU does start getting warm, as per normal operation.
5. No Video, No attempt to spin the startup disk, no beeps or any other sounds.

I took it to my local guy who said he thought it was the logic board. Another opinion from somewhere else said it wasn't.

I tried the PMU reset and logic board resets but still no change.

First occured after leaving the machine on over night. Screen was frozen and did not respond to any keys. I had to un-plug and replug in. Then the problem occured.


Any Ideas???

Thanks,

Charles
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Offline Paddy

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G4 867 QS just died!! Please Help.
« Reply #1 on: July 15, 2003, 04:32:08 PM »
Chuck, welcome to TS - though I wish I was extending a welcome under happier circumstances!

I fear that guy may be right...but for a few more ideas:

MacFixit thread

And for someone who appears to have the exact same problem as you (see Gigabarth's post - last one on the page):
Another MacFixit thread

Let us know if any of this helps!
« Last Edit: July 15, 2003, 04:33:39 PM by Paddy »
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Offline pendragon

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G4 867 QS just died!! Please Help.
« Reply #2 on: July 15, 2003, 04:46:47 PM »
Charles, Sorry to hear of your angst. Still, I do wish to extend a most hearty welcome to TS.

That said, a couple of thoughts until someone who really knows whereof they speaks stops by…

Have you had tried your install CD any third party utilities such as disk Warrior or Drive 10 (desperately hoping your CD drive still works)?

Also, have you recently installed Apple Hard Drive Update 1.0? It is notorious for killing drives. Even though the install was apparently successful, delayed problems have been noted.

Sorry for the weak response.

Harv
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Offline ChuckD

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G4 867 QS just died!! Please Help.
« Reply #3 on: July 15, 2003, 05:08:21 PM »
Ok Thanks I looked into both posts and no luck.

There are a few slight differences between their problems and mine.

1. Link Post #2 from above said that there is no Fan noise or power. In mine I do get power to all the proper connections, except the "green wire" which seems to indicate the status of the front power button somehow.  My Fans all come on.

2. Link Post #1 said that when he took out his ram he got the Ram Error chime. Mine doesn't make any noise even if ram is out.

The CD or any other drives do not respond. It doesn't even try to boot the startup drive.

Please give me any suggestions Big or small, you never know!! New boards are expensive and that might not be the problem.


-Charles
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Offline krissel

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G4 867 QS just died!! Please Help.
« Reply #4 on: July 16, 2003, 12:54:22 AM »
Welcome to TS!

Check out THIS ARTICLE.

It does sound like your problem:

QUOTE
TITLE

Power Mac G4: Screen is Black, No Startup Tone, Drive Does Not Operate
Article ID:
Created:
Modified:   95054
7/18/00
12/27/00
------------------------------------------------------------------------
TOPIC


The Power Mac G4 computer screen is black. The boot tone is not present, the drive does not operate, but the fan is running, and LED is lit.


Good luck and let us know what happens.

 smile.gif
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Offline ChuckD

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G4 867 QS just died!! Please Help.
« Reply #5 on: July 16, 2003, 01:21:05 PM »
Thanks,

Last night I pulled the video card and tried to boot. I think it worked!! I can't be certain as I have no video card but the machine gave it's tone and the drive started to spin and the button stayed lit.

When I put the card back in the problem comes back.

So I'm gonna borrow a video card and try again.

Charles
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Offline Gary S

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G4 867 QS just died!! Please Help.
« Reply #6 on: July 16, 2003, 02:43:12 PM »
That's positive mews ChuckD.

Let us know. smile.gif
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Gary S
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