If your Mac is running slowly, crashing, or just generally misbehaving, and you’re not entirely sure what the problem is, Check Computer is a good place to start.
Check Computer – complete Mac testing
Check Computer consists of a suite of tests that will test everything from your Mac’s Memory to it’s drives and files.
Techtool Pro – Check Computer
Next Steps
Once you’ve determined the results of the suite of tests, you can take next steps to perform repairs, if possible. If the Volume Structures test finds errors, for example, these can be repaired using the Volume Rebuild tool. In the case of a RAM failure, however, it is likely that the RAM will need to be replaced.
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