Need help. Have installed 10.4.3 on my 12" PB. Have also installed Applejack. Trying to start from Single-User mode to run Applejack. And can't do it. I can do it flawlessly from my 15" PB by holding down the Apple Key-S. But no matter how I try on my 12", it just takes me to the Log-in screen. Any help greatly appreciated.