How to mirror iMac G5 using Macbook as a display?
Can I mirror an iMac G5 using a MacBook as the display?
G5 iMac, Mac OS X (10.4.3)
The MacBook does not have a direct video input.
You can use screen sharing to see the iMac's screen on the MacBook. From the MacBook launch screen sharing and log into the iMac.