The program also offers data recovery features for recovering information from damaged volumes and previously deleted files. Sensor tests are available to confirm proper operation for a Mac's ambient light, common electrical and voltage, power and temperature sensors. Techtool Pro 9 enables creating a bootable eDrive recovery partition possessing repair tools, performing partition repairs, rebuilding volumes, defragmenting volumes, cloning volumes, securely wiping volumes, performing processor checks, monitoring video performance and calibration, and adjusting audio output. SEE: macOS Sierra: The smart person's guide (TechRepublic) Techtool Pro 9 requires OS X 10.8 or newer, including macOS 10.12 Sierra, and requires just 1 GB RAM. Upgraded for macOS Sierra, version 9.0.2 of Techtool Pro comes with numerous enhancements, including all the following:
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