If the configuration information appears to be correct, you can proceed to the testing.If the configuration information doesn't match up, you may have a failed device. You can do this by checking the Apple support site for the specifications on the Mac you are using. If anything appears to be wrong, verify what your Mac's configuration should be. Verify that the correct amount of memory is reported, along with the correct CPU and graphics. It's a good idea to take a cursory look at this, just to make sure that all of your Mac's major components show up correctly. Before you press the Test button, you can check what hardware the test found by clicking the Hardware Profile tab.Once it's complete, the Test button is highlighted. This process can take a little bit of time. The Apple Hardware Test checks to see what hardware is installed in your Mac.Use the mouse cursor or the Up/Down arrow keys to highlight a language to use, and then click the button in the lower-right corner (the one with the right-facing arrow).Once the download is complete, you will see the option to select a language. During this time, the Apple Hardware Test is downloaded to your Mac.Once you have connected to your network, you'll see a message that says "Starting Internet Recovery," which might take a while.
#Apple diagnostics says choose network password#
If you chose a wireless network connection, enter the password and then press Enter or Return, or click the checkmark button on the display.After a short time, the display asks you to choose a network. Use the drop-down menu to select from the available network connections.Once you see the message, you can release the Option and D keys. Continue to hold the Option and D keys until you see a Starting Internet Recovery message on your Mac's display.Immediately hold down the Option and D keys.Press the power button to start the power-on process.Do not run the hardware test using only your Mac's battery. If you're testing a Mac portable, connect it to an AC power source.
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