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hardware test

  1. C

    Macbook not turning on after power button+d

    I recently purchased a refurbished 13" early 2015 13" 128GB Macbook air. I purchased it through Amazon. It came, booted up like a charm, and was working well. I even able to watch a show on Netflix. On my first night with it, I was following the instructions on this site...
    • cwilli27
    • Thread
    • apple hardware test hardware test not booting up not starting up
    • Replies: 2
    • Forum: MacBook Air
  2. I

    Diagnostics (holding D+option) problem with the network

    when im holding the D button and Option I can see a moving planet. Then I select my wifi and type in my password. When im connected nothing happen. What can I do? Its a MacBook Pro 13" from early 2020 with i7 10th. And to turn it off I need to shut it down by holding the power button. thanks
  3. T

    Apple Hardware Test result code meaning 4SNS/1/40000000: VD0R - 18.616

    Hi All So I managed to get the Apple Hardware Test running on my MacBookPro prior to taking it to my local Apple store for an appointment at the Apple genius bar tomorrow, but I wonder can someone help me interpret the reported results from the test please? The error code reported is...
    • theMouthPiece
    • Thread
    • aht applications boot el capitan hardware test hdd ssd
    • Replies: 6
    • Forum: macOS
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