Help! Need to get back to OSX from Ubuntu LiveCD

[Jynxxander]

Intel iMac G5 ( Late 2006 )
Mac OSX 10.4.11

Ubuntu 8.04

I burned a Ubuntu LiveCD and booted into it by going to System Prefrences>Startup Disk and choosing the Cd and restarting.

I tried Ubuntu for a little while, but now i am stuck.

Resarting computer does not work. Only says it needs a boot CD
Shutting down and staring does not work. Same.

Choosing Boot from original system (I think thats what it says, its the last option) results in a flashing "_" in the upper left and corner and a green block below it.


PLEASE HELP! I NEED TO GET BACK TO OSX!

Other person:
Did you install Ubuntu? If not, hold down the power button for a few seconds until the computer shuts off. Push the button again once to turn it on, and hold down the mouse button. This should spit the CD out and you should be able to boot back into OS X now.
Didn't work. When I held the power button it prompted me to log out, restart, shut down etc.

Me:
I chose shut down, and as it was shutting down, it spit out the cd
When I restarted, same thing "No boot device"

I tried dissconnecting the power, that didn't work.
The CD popped out after I held the mouse button then I got the "No bootable device" message again.


Update!

Fixed by booting up and holding down the option button.

 

[K3mp]

in Ubuntu change the start-up back to the hard drive. BTW there is no such thing as a intel G5 iMac. The G5 is a whole different processor.

 

[Tourist]

Insert the original OS X disc that came with the mac and press C at startup

 

[K3mp]

If he does that he will re install the os or boot up hardware test. He needs to just change the start up disk to his HD in Ubuntu. He might be able to do it off the os x disk but im not sure.

 

[iToaster]

Hold down option when you press the power button to turn it on, hopefully you should get a boot volume selector from which you can select OSX (if it's there ).

 

[K3mp]

Hold down option when you press the power button to turn it on, hopefully you should get a boot volume selector from which you can select OSX (if it's there ).

^^^^^^Try before my idea^^^^^^^^^^^^