
I got no error messages during the installation, and so I get to the "your computer will now restart, it may do this more than once" screen. Understatement. It did it for about 10 minutes till I finally gave up and option-booted to get back to my main drive. I then switched back to the Yosemite disc in "safe" mode (in System Preferences; shift-boot wouldnt work while in the reboot loop, although option-boot did), hoping to see some document/install-log type thing on the desktop, telling me what the conflict was, but nothing. I then took a look at "About This Mac" and it says that I'm still running 10.6.8! So even though the Yosemite installer clearly did something, it didnt install Yosemite.
All that was yesterday. Just now I booted from the "Yosemite" disc (I'll call it that, even though Yosemite's not actually on it) and it did not enter the endless reboot mode, but booted up fine.....in 10.6.8, according to "About My Mac". I then tried the Yosemite installer again. It went through the paces, just as before, and entered endless reboot mode, just as before. Option-boot took me back to my main disk again. (By the way, the Yosemite installation/non-installation took about two minutes, if that tells you anything. Seems a bit quick, doesnt it?)
Anyone have any clue what's going on here, and what to try? Someone told me that Yosemite is still in beta mode, to all intents and purposes, and he's heard of many problems. Is that so? There're up to 10.10.4, for goodness sake! I did search around here but couldnt find anything about endless reboots. I had wanted to try Mavericks first...baby steps...but I couldn't find that anywhere.
Thanks,
Gavin