Booting From An OS X Installer Disc
1. Insert OS X Installer Disc into the optical drive.
2. Restart the computer.
3. Immediately after the chime press and hold down the "C" key.
4. Release the key when the spinning gear below the dark gray Apple
5. Wait for installer to finish loading.
Note that the retail Snow Leopard DVD is 10.6.3. If your model requires a later version than that, then the DVD cannot boot your computer. You need to use the original disc that came with your computer.
I Have tried what you are suggesting, and its not working.
i Am running 10.6.8 and I cannot locate my original startup disc that came with my computer. It is deep deep in my storage facility.
The disc I am trying to run I purchased from apple last week. I hope it's not a waste.
I Can't even eject the freakn thing.
Any additional suggestions, please don't hold back.
Five ways to eject a stuck CD or DVD from the optical drive
Ejecting the stuck disc can usually be done in one of the following ways:
1. Restart the computer and after the chime press and hold down the
left mouse button until the disc ejects.
2. Press the Eject button on your keyboard.
3. Click on the Eject button in the menubar.
4. Press COMMAND-E.
5. If none of the above work try this: Open the Terminal application in
your Utilities folder. At the prompt enter or paste the following:
If this fails then try this:
Boot the computer into Single-user Mode. At the prompt enter the same command as used above. To restart the computer enter "reboot" at the prompt without quotes.
Do you know what exact model Mac you have? Open System Profiler in the utilities and in the initial display panel on the right look for Model Identifier. Please post that entry.