Re: DA G4 will not shut down

[Kris Tilford]

On Jan 29, 2014, at 6:17 PM, Bruce Johnson  wrote:

>  If it persists when you do a safe boot, it's most likely something hardware 
> related, because only Apple kexts are running then.

Agreed, hardware is seeming likely. I still don't understand why he's not 
seeing the verbose shutdown dialog unless it stalls prior to reaching this 
point, which might be pointing toward a bad video card. I'd try removing and 
reseating the video card just-in-case...

If he doesn't have the Apple Hardware Test CD, you can download an image here, 
and burn it, run the test, and see if there's a hardware issue:



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Re: DA G4 will not shut down

[Jack Countryman]

If it were me, I'd take a different hard drive, wipe it, and install a system 
from the original system disks.  Then reboot from the new setup.  If it still 
has issues, it has to be hardware.
If it works OK from that bare bones system, then update/add software till the 
problem shows up again.  If you go one step at a time, you will know what was 
done last, therefore what caused the problem to start.  Yeah, it takes time to 
step through to do this.  

If you knew what was done to the system just before this started, that might 
give you a better starting point.  Then it would be worth undoing the last 
change to see if that fixes things.
~~~
On Jan 29, 2014, at 6:19 PM, Valter Prahlad  
wrote:

> Il giorno 29/01/14 21.37, "smac0031" ha scritto:
> 
>> I tried safe boot and reinstalling 10.4.11 ppc combo update. It didn't make
>> any difference. 
> This makes me think it's more likely is a hardware issue, not software.
> Reinstalling the update should have fixed most software issues, at least
> regarding OSX itself.
> 
> But the issue could be from a different (non Apple) software as well, maybe
> some driver or kext ("extension") from weird apps.
> In System Preferences, in the lower row (Tools or Accessories), what do you
> have?
> 
>> I also noticed it won't restart either. It hangs at the
>> desktop picture and won't go any farther.
> This makes sense: to restart, it needs to shutdown the system first.
> 
> 
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Re: DA G4 will not shut down

[Bruce Johnson]

On Jan 29, 2014, at 4:19 PM, Valter Prahlad  
wrote:

>> 
>> I also noticed it won't restart either. It hangs at the
>> desktop picture and won't go any farther.
> This makes sense: to restart, it needs to shutdown the system first.

Yes, this is a shutdown issue. If it persists when you do a safe boot, it's 
most likely something hardware related, because only Apple kexts are running 
then.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs


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Re: DA G4 will not shut down

[Valter Prahlad]

Il giorno 29/01/14 21.37, "smac0031" ha scritto:

> I tried safe boot and reinstalling 10.4.11 ppc combo update. It didn't make
> any difference. 
This makes me think it's more likely is a hardware issue, not software.
Reinstalling the update should have fixed most software issues, at least
regarding OSX itself.

But the issue could be from a different (non Apple) software as well, maybe
some driver or kext ("extension") from weird apps.
In System Preferences, in the lower row (Tools or Accessories), what do you
have?

> I also noticed it won't restart either. It hangs at the
> desktop picture and won't go any farther.
This makes sense: to restart, it needs to shutdown the system first.


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Re: DA G4 will not shut down

[Kris Tilford]

On Jan 29, 2014, at 2:37 PM, smac0031  wrote:

> I started with the command-v and a lot of text went by which I don't 
> understand. Is this saved anywhere?

Yes, it's saved temporarily and can be accessed via Terminal directly after 
startup, but we're not too concerned about the startup dialog right now, we're 
interested in the SHUTDOWN dialog. Since it won't complete a normal Shutdown, 
the dialog "should" remain on the screen frozen, for you to look at. The last 
few lines, especially the final line, is what we're likely interested in.

To show the verbose startup dialog which is the kernel message buffer, you need 
to open Terminal immediately after boot and type the command 'dmesg' which is 
short for "display message" (no quotes). Later versions of OS X may require 
'sudo dmesg' followed by admin password entry, but this shouldn't be required 
for yours.

Again, we're interested in the messages at shutdown, which should be stalled 
upon the black screen to easily read.

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Re: DA G4 will not shut down

[smac0031]

I tried safe boot and reinstalling 10.4.11 ppc combo update. It didn't make 
any difference. I also noticed it won't restart either. It hangs at the 
desktop picture and won't go any farther.

I started with the command-v and a lot of text went by which I don't 
understand. Is this saved anywhere?

Mark Murphy

On Monday, January 13, 2014 11:18:24 PM UTC-5, smac0031 wrote:
>
> My DA G4 doesn't shut down when you select shut down from the menu. It 
> just malingers.
>
> Mark Murphy
>

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