hardware test at boot up

Discussion in 'MacBook Pro' started by testeng1966, Aug 31, 2010.

  1. testeng1966 macrumors member

    Jun 20, 2008
    How do i get the Mac to run the hardware self tests. I saw the guy at the Genious Bar do it on my MacBook Pro.
    I replaced the parts that showed bad, i would like to run it again.
    I tried holding down the D on powerup but didn't work
  2. Eddyisgreat macrumors 601

    Oct 24, 2007
    Apple Hardware Test: Insert the second grey "Applications Install" disk that was included with your machine, then hold down the D key.

    But the test they run and the test "we" run are very different. The one they use is a bit more comprehensive, but you'll still be able to get something to work with if you have problems.

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