Third-Party Tools and Utilities
For the most part, Apple's diagnostic tools are good for pinpointing trouble spots in misbehaving Macintosh computers, but they don't perform the repair work that can often restore a sick Mac to health. The following troubleshooting tools and utilities purport to fix specific issues, not just find them. Please note that these claims are made by the publishers themselves, not Apple. Check with the individual publishers for additional information.
TechTool Lite and TechTool Pro
Micromat (www.micromat.com) publishes two other versions of the TechTool diagnostic utility: TechTool Lite and TechTool Pro.
TechTool Lite is a freeware utility available for download. This basic tool can analyze system files for damage, reset ...
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