Thread was moved from "General Discussions > User Solutions and Workarounds" to "Parallels Desktop for Mac > Installation and Configuration in Mac OS ". Stacey M I only tried this on a Mac, but I think it will be the same procedure on all versions of Parallels. A list of useful tips: 1. Turn off Intel VT (hardware virtualisation support) in the VM for the installation. The installer will not work properly (it will hang after a while) if VT is turned on. 2. Turn on Intel VT in the VM after installation or configure OS/2 to run in protected mode only (config.sys protonly=yes). DOS and WinOS/2 VMs will not work in OS/2 if Intel VT is switched off for some reason. That's it. I wish I had known these from the beginning! Questions: 1. WinOS/2 fullscreen is not in sync with the mouse pointer. Anybody know how to fix this? 2. How can I explain to OS/2 that my screen resolution is (whatever the widescreen iMac's screen resolution is)?