How to run diagnostics on a 2011 Macbook Pro with OSX Sierra

Discussion in 'MacBook Pro' started by DangerousDave2k, Feb 12, 2017.

  1. DangerousDave2k macrumors member

    Jul 11, 2014

    I have a Macbook Pro 17 early 2011 which I have recently updated to OSX Sierra. I'd like to run diagnostics on the machine as it has been running slowly, but pressing D is not working. I gather I have fallen into the void of machines that are older than 2013 but have a recent version of OSX. What would be the easiest way for me to run diagnostics on this machine?

    Thanks in advance.
  2. ZapNZs macrumors 68020


    Jan 23, 2017
    That is strange and must be a change with Sierra. On my 2011 with El Cap, holding 'D' still launches the Apple Hardware Test. Have you tried option-D? If not, do you still have the original Snow Leopard or Lion DVD disk that came with the computer? I believe that on one of the disks is the AHT.
  3. DangerousDave2k thread starter macrumors member

    Jul 11, 2014
    Well that was resolved quickly! Holding the option key did work. I read that only newer Macbooks or Macbooks with old copies of OSX (but not old Macbooks with new OSX) could run the AHT. Thanks!

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