This will try and run diagnostics from the internet instead, so you will need to allow more time for it to complete. Note: If pressing and holding the D key at Step 3 doesn't work, start again at Step 1 and, at Step 3 press and hold both the Option D keys instead. If the diagnostics test does find errors, take a note of what they are.a brief description of any errors found plus further instructions.Once complete, one of two things will appear on the screen:.Wait for Diagnostics to finish (this typically only takes a few minutes).Immediately press the D key and keep it down until you see the Diagnostics screen appear. If your MBP still doesn't wake from sleep properly, then it's time to test your hardware with Apple Diagnostics.įollow the steps below to run Apple Diagnostics:
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