iMac Won’t turn on? Won’t boot? Can’t connect to wifi? Try an SMC + PRAM Reset to solve this problem.

Does your iMac won’t boot or turn on properly? or some devices(USB, CDROM, WiFi, etc) are not working? Don’t worry anymore, Here is the way to solve this issue. Today, We are going to reset the SMC and the PRAM to fix this issues. SMC stands for Resetting the System Management Controller and if there is a collision on the system management controller, your iMac might not be worked properly. Also you can reset the SMC + PRAM whenever if there is one of the following symptoms:

  • USB port is not working properly.
  • iMac is not booting properly.
  • iMac is not turning on.
  • Screen is not turning on.
  • Screen brightness control is not working properly.
  • Fan is not working properly. (Noisy – fan is spinning too fast or Overheating – Spinning too slow)
  • iMac keeps freezing.
  • WiFi device is not working.
  • CDROM is not working.

 

Resetting the SMC on iMac

Step 01. Shut down your iMac.

Step 02. Unplug the MagSafe Power Adapter from your iMac.

Step 03. Wait for 15 – 20 seconds.

Step 04. Plug the MagSafe Power Adapter back to your iMac.

Step 05. Wait another 10 seconds and Turn on your iMac.

Resetting the RPAM on iMac

Step 01. Shut down your iMac.

Step 02. Press and Hold Option + Command (⌘) + P + R (Do not release yet!).

Step 03. Turn on your iMac while holding the keys (Option + Command (⌘) + P + R).

Step 04. Keep holding the keys (Option + Command (⌘) + P + R) until your MacBook restarts (You will see the grey screen appears before it restarts.)

Step 05. Release the Keys.

Step 06. If you hear the startup booting sound for the second time, that means the PRAM has been reset. Done!

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