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Mac OS X Leopard Upgrade Problems

itsallmac.com — Some people are having problems upgrading their Tiger installs to Leopard. After a "successful" install, the mac reboots and hangs at the blue prelogin screen. The Leopard install is apparently hosed. This happened to me too and I had to wipe the drive and reinstall. Thank goodness I had a backup. Seems like a pretty big bug.

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  • yargok, on 10/26/2007, -0/+2Just wanted to give my upgrade story...

    I have installed Leopard, and didn't see the options mentioned in this post. Instead, when I popped in the DVD and double clicked Install Leopard in my 10.4 install, it rebooted and proceeded to do an upgrade. I had the problems described in the link above with the blue screen after upgrade that just hung out there.

    So I had to reinstall - I run the disk again and don't see the options to do an erase and install. Instead, I have to use disk utility to blow away my hard drive first. I was still having problems wiping the drive, and had to delete the bootcamp partition first, then wipe the rest of the drive. I think this bug might be related to the bootcamp betas. Thank goodness I had a SuperDuper backup, and I migrated my data at the end of the install. All running now.
  • indiekiduk, on 10/27/2007, -0/+2This problem appears to be an unfortunate incompatibility with ShapeShifter software you might have installed.

    Do this and it fixes it (worked for me)

    1. Reboot into single-user mode (hold Cmd-S while booting machine)
    2. Follow the directions OSX gives you when you get to the prompt (I think these were them - just type the two commands it tells you to):
    fsck -fy /
    /sbin/mount -uw /
    3. Remove the following files:
    rm -rf /Library/Preference Panes/Application Enhancer.prefpane
    rm -rf /Library/Frameworks/Application Enhancer.framework
    rm -rf /System/Library/SystemConfiguration/Application Enhancer.bundle
    rm -f /Library/Preferences/com.unsanity.ape.plist
    4. Exit, to continue booting normally
    exit

  • beowulf, on 10/27/2007, -0/+1Confirmed, this solved the problem for me too. I was hung at the blue screen after the upgrade, but after following the instructions posted by indiekiduk, I booted into Leopard without any further problems.
  • indiekiduk, on 10/26/2007, -0/+1This problem appears to be an unfortunate incompatibility with ShapeShifter software you might have installed.

    Do this and it fixes it (worked for me)

    1. Reboot into single-user mode (hold Cmd-S while booting machine)
    2. Follow the directions OSX gives you when you get to the prompt (I think these were them - just type the two commands it tells you to):
    fsck -fy /
    /sbin/mount -uw /
    3. Remove the following files:
    rm -rf /Library/Preference Panes/Application Enhancer.prefpane
    rm -rf /Library/Frameworks/Application Enhancer.framework
    rm -rf /System/Library/SystemConfiguration/Application Enhancer.bundle
    rm -f /Library/Preferences/com.unsanity.ape.plist
    4. Exit, to continue booting normally
    exit

  • CampBacon, on 10/29/2007, -0/+0This fixed my problem ... thanks!
  • Virgule, on 10/26/2007, -1/+0/signed The "Upgrade" path is definitely ***** up. What kind of idiots would ship a product like that.... oh well..... :(

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