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aht

  1. reddrag0n

    AHT error Pismo G3

    just did a new board and hard drive install on my old pismo, found out that the backlight is burned out, or the inverter board if fried, but when i ran the AHT for the pismo, i get a logicboard error. ***ERROR*CODE***ERROR*CODE*** fire/1/1 ***ERROR*CODE***ERROR*CODE*** don't mind the lack of...
  2. atonaldenim

    Apple Hardware Test error codes - sensor descriptions - Mac Pro Mid-2010 (5,1)

    Explanation of error codes for Apple Service Diagnostics (ASD) or Apple Hardware Test (AHT) - system sensor descriptions. For error codes starting with 4SNS, like 4SNS / 1 / 40000001 : VeAS-0.000. More explanation on AHT error codes here. Mac Pro (Mid 2010) ICACCurrentCPU A, Core Low Side...
  3. Mackata

    who knows AHT error code

    Hi, have a big problem: My Mac Pro 2009 (flashed to 5,1) doesn't start with both CPUs. CPU A alone is OK, as soon as CPU B is activated, I get a kernel panic (see rtf). I did the Hardware test an it shows an error: 4SNS/1/40000001:TCBS-0.000 Should be a sensor I was told but which is it? My...
    • Mackata
    • Thread
    • aht error code mac pro (early 2009) sensor
    • Replies: 22
    • Forum: Mac Pro
  4. 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
  5. N

    MBP black screen and temperature error

    My MacBook Pro 17" mid-2009 monitor remains black. I've already tried all the possible resets I found on web discussions (SMC, PRAM, hold power, ...). Now I'm using it with a VGA monitor through mini-display port. I've launched the Apple Test Hardware, which for models before 2013 has to be...
    • nucleo
    • Thread
    • aht battery black monitor mbp 17"
    • Replies: 0
    • Forum: MacBook Pro
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