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OS X - Operating System General OS operation information and support

powerbook g4 problem reading snow leopard dvd


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ovenglove

 
Member Since: Jan 13, 2011
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I am and it tech at a uk university, and should really be able to come up with an answer but i am struggling with this one.

I have a powerbook g4 running os 10.4 that i want to upgrade to 10.5 to se time machine. I have checked and according to apple i should be able to run 10.5.

The problem is with the mac reading the install cd. When i restart holding c it doesn't read the cd and spits it out. When i start os, it also doesn't read the dvd and spits it out.

I have checked other dvds in the drive and it reads them. I have checked the 10.5 dvd in another g4 powerbook of the same spec and model and it works fine.

I have tried it in an external usb dvd drive on the mac and it will read the dvd in os, but not on startup, i thin because usb is loaded after os starts.

The dvd is the black one not the grey one if it makes any difference

anyone know of a way i can install 10.5 on this mac? or why it will not read the dvd?

cheers
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Buzzard2010

 
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Try booting the G4 with the disk in and holding "alt" key just after the startup bong and see if it lets you select the dvd then.

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ovenglove

 
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nope just tried it, spits dvd out without reading it. Its the strangest problem, all other dvds work except leopard installation disks. i have two different disks and neither work.
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Kevriano

 
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Just to clear something up here>
Is it Leopard 10.5 or Snow Leopard as your header suggests?

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ovenglove

 
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yeah sorry i just noticed the mistake. i am trying to upgrade from 10.4 to 10.5, i realize 10.6 would not work as it needs an intel processor..
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Kevriano

 
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Ok that cleared up, I had a similar problem, my G4 just would not install from the disc, no matter what, and the only way I could get it to work, was to partition the HD, create a .dmg image of the Leopard disc, and put it on a small partition, and install from there. It works fine, but is not ideal of course.
If it's something you want to try I did post full details of my work around at the time, I will try and find it, but it was ages ago and I post a lot!

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