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Ask Viet - Mac Tech Your Own Question

Viet - Mac Tech
Viet - Mac Tech, Mac Support Tech
Category: Mac
Satisfied Customers: 35271
Experience:  Support Mac laptops, desktops, & iPhone, iPad, iPod, etc.
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I just discovered this thread from 4 years ago. I have a

Customer Question

I just discovered this thread from 4 years ago. I have a mid-2007 Imac, running system 10.7.5, which suddenly developed that full-blast fan running situation, which it never has before. I went through the steps you outlined here for the previous person -- verifying disk permissions and verifying disk, then shutting down, unplugging, and rebooting -- and it solved the problem. So you have another satisfied customer.
Submitted: 1 year ago.
Category: Mac
Expert:  Viet - Mac Tech replied 1 year ago.

Hi,

Great. Also, if needed in the future, here are the steps to reset the computer memory:

  1. Shut down your Mac.
  2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R.
  3. Turn on your Mac.
  4. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.
  5. Hold these keys until the computer restarts and you hear the startup sound for a second time.
  6. Release the keys.

More information:

https://support.apple.com/en-us/HT204063

https://support.apple.com/en-us/HT201295

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