I can't reboot to Mac OSX from Windows 8.1. I've tried the options below and they're not working: Holding down alt/option on startup Holding down Command + R on startup Upon trying these options, the computer still starts up in the Windows partition. Unfortunately, I didn't install Bootcamp 5 before updating Windows 8 to 8.1. In addition, Bootcamp 4 is having compatibility issues on the Windows partition and everytime I click on "Run the program without getting help" it crashes/shuts down my computer. So I tried re-installing Bootcamp 5 and it's telling me I can't do it unless I have Windows 7? So am I stuck in Windows? Please help.