Hi, howwow.
I'd recommend you use Archive and Install. See my
"General advice on performing an Archive and Install" FAQ for important tips and perform the steps therein in the specified order.
If you use the "Preserve Users and Network Settings" option, then all of your personal data (Mail, iTunes, etc.) will be saved intact.
SuperDuper is intended primarily for duplicating and restoring entire disks. I would not regard starting up from the clone and copying the System folder from the clone to your Mac's startup disk, then running Repair Permissions on your Mac's startup disk, a good idea. Depending on what other changes you've made, you could wind up with a completely unusable system.
Archive and Install, as noted above, is the safe approach here.
As I don't recall if I've followed your "meltdown" series, you may want to check your hardware before performing the Archive and Install. See my
"Apple Hardware Test" FAQ for comprehensive advice on using the Apple Hardware Test in troubleshooting, including running the test in Loop Mode.
As you can probably see now, backing up at a greater frequency — weekly or daily, with daily being best — is a better approach to backup.
If the "meltdown" is the result of a Software Update gone awry, before installing software updates in the future, you may wish to consider the advice in my
"Installing Software Updates" FAQ. Taking the steps therein before installing an update often helps avert problems and gives you a fallback position in case trouble arises.
Good luck!
😉 Dr. Smoke
Author:
Troubleshooting Mac® OS X
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