Theres a number of things that could be going wrong. Whats usually wrong with mine when RS won't start is that too much memory is being used and you need to close a couple programs or just wait for your memory to recharge.
As long as you have the latest version of Java installed you'll be able to play Runescape on a mac.
you cant
Mac
You simply cannot play other version of the game then the current one available of Runescape [2].
Any laptop which does not meet Roblox's system requirements would not be able to play. Any laptop with slower than a 1.8 gHz possessor, 512 MB of RAM, or not featuring Windows XP SP2 or higher will be incapable of supporting Roblox. Also no mac's will be able to play roblox, though Roblox is close to implementing full mac support in the near future.
A Mac, made by Apple is a Personal Computer.
If you are not planning to play games on it get a Mac (macs are only good for graphics, photography, image editing and documentation) If you want something with a little kick get th vaio
you cant i tried you can have the program on there but you cant take your saved progress to different computers
Macs can play Runescape as long as you have Java installed and have a working internet connection, the faster the better. This is simply because Runescape is an application written in Java; without Java, you cannot run Runescape on your computer. You can download Java from this link if you do not already have it installed: http://www.java.com/en/
Newer mac mouses have a right click option. If your on a laptop, holding control while clicking opens the right click options. You can change your clicking mechanics in the runescape settings (the hammer and screwdriver icon at the bottom right of the screen) to one click vs. two clicks
Belkin F5L001-BLK Laptop Cooling Pad will fit onto a Mac laptop.
the mac PC worked pretty good at playing movies. I had one and i cant stop playing the Percy Jackson movie over and over again. It is SO GOOD!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!