TechTool Deluxe from Micromat is a powerful diagnostic utility that allows you to test your computer's critical system components, such as the processor, RAM (random-access memory), VRAM (video random-access memory), the hard disk, and more. TechTool Deluxe can also repair your computer's disk structure and rebuild its directories as necessary.
- Full OS X 10.7 Lion compatibility
- Mac OS X 10.4 or later
- AppleCare Protection Plan (Mac).