Having an AHT error how to fix it.
When I run an Apple Hardware test I found an error 4HDD/11/40000000: SATA(0,0).. What exactly the main cause of this error and what is the best way to fix this..please help..thank you.
MacBook Air (2018 or later)
That is a disk driver error. See Mac notebooks- Apple Hardware Test may report "HDD" alert. The error may be erroneous. But to be safe I would make an appointment at the Apple Genius Bar for service. If you need to find an Apple Store - Find a Store - Apple. Also, see How to find your nearest Apple Authorized Service Provider (AASP) or Distributor (AAD).
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