As the firmware is being restored, a progress bar should appear. Your device should boot and startup without the beeps.Then, repeat pressing the power button and wait for seconds until the Apple logo appears.First, press and hold the power button on your Macbook Air or Macbook Pro for more than 10 seconds to shut it down if it is on.Allow the bar to be completed before carrying out the following steps. Now, push the levers beside the RAM module outwardly to disengage it from the slot.Next, feel the metal surface of the computer to eliminate static electricity from your body.If it persists, run an Apple Diagnostics to confirm the results. Allow it to rise at an angle before taking it out. Then, take out the RAM module from the slots while holding the notches.Ensure the half-circle notches have been seen. Next, align the edge of the new RAM module with the notch in the lower memory slot.Take heed not to touch the gold connectors. #Macbook pro 3 beeps wont turn on update#.#Macbook pro 3 beeps wont turn on install#.#Macbook pro 3 beeps wont turn on how to#.

Macbook pro 3 beeps in a row