Richard K Miller

If you have a Mac, I suggest not installing the 10.4.7 update. After installing it on my iMac at work, it won’t reboot. I have backups of my data, but I may need to reinstall Mac OS X. The Apple forums have several discussions about problems with 10.4.7.

UPDATE: Here is the list of steps I took to troubleshoot my iMac. In the end I couldn’t fix it. I had to reinstall Mac OS X from scratch (not even an Archive and Install worked.) But I had backups of my data so it was nothing more than a big hassle. Mac OS X 10.4.7 installed fine on my Powerbook so it must have been a quirk with my iMac. Another reminder to keep good backups.

Mac troubleshooting steps I took:
1. Booted into Safe mode (hold shift).
2. Reset PRAM (hold Command-Option-P-R).
3. Booted into Open Fimware (hold Command-Option-O-F) and typed
“reset-nvram” and “reset-all”.
4. Booted up Install CD (hold C) and ran Disk Utility to Repair Disk.
5. Booted into boot disk selector (hold Option) and chose my hard drive.
6. Booted into Target Mode (hold T) and used another computer to
reinstall 10.4.7 using a standalone installer.

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