Follow these steps if you can't get past the Connecting... message when connecting to a Mac.
You may need to enable the Mac's built-in VNC server in the Sharing preferences. To fix this follow these steps on your Mac:
- Open up the System Preferences app on your Mac.
- Click the Sharing icon.
- Click Computer Settings in the Remote Management or Screen Sharing section.
- Make sure VNC viewers may control screen with password is checked and set a VNC password and then press Okay.
Try connecting on your iPad / iPhone.