Some are reporting on the Parallels forums and elsewhere, that they are no longer having to do the “sleep trick” to get the Intel virtualization technology (VTI-x) to kick in for Parallels. You have to install the update and then power the machine all the way off – rebooting wont’ necessarily make it work properly.
– Mac Pro Update
– iMac Update
– MacBook Pro Update
– Mac mini Update
– MacBook Update
All of these updates do the following:
Fixes several Boot Camp, start up, and wake-from-sleep issues (except for the Mac Pros).