Trying to Upgrade to OS X Leopard

Hi there,
I just go this MAC Mini off Ebay. Everything is working fine, and was told that the DVD burning element was not working correctly. I attempted to upgrade to OS X Leopard with my Install disc, and after a minute of reading, it keeps spitting the disc back out. Could that be because the burning element doesn't work, or what are some other possibilities. How can I get around it and still install OS X Leopard on my system?

Hi,
The drive seems to read other disks ok, although I have not tried another DVD yet. The installation disk is a MAC OS X Leopard Install Disk, the one that was sent out to upgrade from OS X Tiger to OS X Leopard. I am not sure if its an Intel Install disk, but it is the one that comes when you order the OS X Leopard Upgrade.
I don't have an original disk that came with it. I was hoping that the OS 10.5 Install disk that I used for my MAC Book Pro, would work on this MAC Mini. There is a software feature that likely needs OS X Leopard on it to work, that I had planned on using the Mac Mini for. So, if you have any scenarios, please let me know!
Thanks!

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Thanks

rk87,
Thanks for replying. I have a 500 gig hard drive which yields a 465gig usable capacity, so, at 30 Gigs available, I don't have 10% of the drive free. This may be an issue, but my more immediate problem is that I can't get the install disk to boot up at all.
I called apple support again see what I could find out about the install disks which wouldn't work. The support guy seemed like he had a lot of knowledge about the system and suggested trying the Tiger install disk (that came with the machine) to see if it would boot up, which it did. After that success, I tried the Leopard update disk in another iMac I have at home and it worked as it should. Since the disk worked fine on the other mac, the guy at tech support speculated that there is some sort of hardware issue causing the install shut down on the computer in question.
His speculation was about the memory installed in the machine which might be the issue. I had bought the computer from an Apple Authorized store here in town who upgraded the RAM to 4GIGs using third-party memory. Even though the memory seems to have functioned properly for the past year, apple support says that there could be some sort of incompatibility with the third party product causing the install disk not to work.
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(68467)

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You need to use a retail DVD(phone the online Apple Store) and not one which originally shipped with a computer.
(71084)

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Have a file with a ? mark after trying to upgrade to Snow Leopard.

I am running Leopard on my MacBook Pro and wanted to upgrade to Lion. Wouldn't work so friend suggested I try to upgrade to Snow Leopard first. Followed the Snow Leopard Installation instructions which said it would take 45 minutes and it would automatically reboot when it was done.
After hearing the familiar boot up chime, I check to find a black screen. Managed to eject the Snow Leopard installation disk by shutting down and starting up with the EJECT button pressed.
Tried to boot up and I get a file with a flashing question mark in it.
Tried to boot with the Snow Leopard disk holding down the OPTION key and I get a very dark screen with the first screen of the installation instructions that can only be seen with a flash light. Can't find the curser so tried the ENTER key which takes me to the next page which is very dark too. Can't find the curser so tried the ENTER keY to no avail. Tried the Leopard Disk with the same results.
Tried to boot with Leopard disk holding down the X key and I get a very dark screen with the first screen of the installation instructions that can only be seen with a flash light. Can't see or find the curser so tried the ENTER key which takes me to the next page which is very dark too. Can't find the curser or Disk Utility but with the aid of the flashlight I can read the screen which says:
"Welcome to Installer
To install OSX click CONTINUE and follow instructions.
To quit choose Quit Installer from the installer menu and click the start up disk."
Can't find the curse so tried the ENTER key to no avail.
Tried command+S with the installation disk in and fsck -fy yields "installation DVD appears OK".
Tried command+S WITHOUT the installation disk in and I get a file with a flashing question mark in it.
Tried OPTION key WITHOUT the installation disk in and I get a blank screen with a moveable curser but nothing else.
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I do run Time Machine so I have the ability to restore what I had this am but I can't seem to get to that option.
How do I get to my latest Back Up on Time Machine or boot from TM?

Unless he controls your machine (same household), you can't. At $30 USD, pop for your own copy.

I have a Mac OS X v 10.4.11 and trying to upgrade to snow leopard but it says I don't have enough RAM, what do I do?

I have a Mac OS X v 10.4.11 and trying to upgrade to snow leopard but it says I don't have enough RAM, what do I do?

What machine are you running on?
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Trying to upgrade from leopard to snow leopard but now cannot use keyboard to boot from DVD (holding C key) or even from external drive (holding option key)
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Hi Cattus
In reply to your answer - external drive is GUID partition and has worked on my other Macbook in upgrading from leopard to snow leopard. So I know the external drive does work.
I have tried DVD and external drive on good Macbook and all works fine back on problem Macbook no luck. I don't even get firmware password request. Keys on keyboard do not work at all. Tried to boot in single mode (cmd S) as well as target drive (T key) but no luck whatsoever.
External drive is USB and working. Problem Macbook did show signs of not good functioning keyboard with certain keys not working whilst still under Mac OS 10.5.8.
Do you know how to get around this problem? Would I need to remove drive from Macbook and resolve it as a stand alone drive?
Thanks

Trying to Upgrade to OS X Leopard

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