On Nov 29, 2008, at 6:18 PM, Jonas Lopez wrote:

>
> Grey 10.4 DVD for G4 keeps ejecting from the DVD player. Yet other  
> Apple DVD disks stay in and load and install.
>
> Any idea why this one refuses to stay in the player.
>
> I can not install because it keeps ejecting.
>
> I can hear it read and move the head then it ejects.

Here's where I bet you wish you had made a copy of the disk, and/or  
made an image of it that you stored on an external hard drive. Your  
experience is indicative of a damaged disk that cannot be read and  
thus can't be mounted, which is why it's ejected. Does the same thing  
happen in other computers with DVD drives?

Assuming you've got a scratched or otherwise damaged disk, you may be  
able to do what I've done several times: make a copy with Toast  
Titanium, using the "Disk Recovery" option. Disk Recovery takes a lot  
of time as it works to extract files made unavailable by scratches and  
other disk surface damage. It's not always successful, but it's worth  
a try. Disk polishing before running Toast helps.

My usual routine with disks suspected of being too damaged to install  
software or to be read properly is to first try to copy the disk with  
Toast *without* using the Disk Recovery feature. If the disk is too  
damaged to be read normally, Toast will tell me that and suggest  
trying again with Disk Recovery. That's when I clean and polish the  
disk. If Disk Recovery doesn't work, then I get a new disk.

CDs and DVDs don't last forever, and sometimes they are manufactured  
improperly. I ran across a brand new, in the wrapper Windows XP Pro  
SP2 disk last week during a Boot Camp installation for a friend that  
was loaded with unreadable areas. The disk was clean and unscratched,  
but apparently it either hadn't been burned properly or had suffered  
internal degradation during its four years or so of sitting on a shelf  
somewhere. Yes, it was a genuine Microsoft disk and passed the four  
tests for authenticity, so it wasn't a pirated copy.

Good luck, and remember to make copies of all new software disks as  
soon as you get them.

-- Jim Scott



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