Tools and materials required: Torx wrench, grounding strap, spirit gum, blowtorch and soldering iron.

  1. Back up your hard drive.
  2. Repair permissions.
  3. Zap the PRAM.
  4. Rebuild your desktop.
  5. Run Conflict Catcher, Norton Disk Doctor and DiskWarrior.
  6. Launch Terminal.
  7. Close Terminal.
  8. Reboot in single-user mode.
  9. Reinstall the previous version of the operating system, using the archive feature.
  10. Reboot in OS 9, and run ResEdit.
  11. Reseat the RAM board.
  12. Reset the PMU.
  13. Boot from the system disk.

And you’re done!