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- 20:39, 18 March 2025 Josh talk contribs created page Macintosh 128K/512K Troubleshooting (Created page with "Comprehensive troubleshooting is crucial for diagnosing and resolving issues with your Macintosh 128K and 512K. Below is an extensive guide covering common problems and detailed solutions, presented in an easy-to-follow format. == No Power (Unit Dead or Ticking) == {| class="wikitable" style="width:100%;" |- ! Symptom !! Possible Cause !! Recommended Action |- | No signs of life (no chime, no CRT glow) || Blown fuse, failed power supply, PRAM battery leakage || Check a...")