![]() ![]() Delete the following configuration file to create a fresh copy ![]() Resetting the System Management Controller (SMC). Holding down the Command(Apple), Option, P, and R and then hold the Power button simultaneously, and told me to do that 3 times and wait for 3 loud buzzing (or some odd sound I can't describe). ![]() You can find reset instructions for both here: If you are experiencing issues with powering on your computer, sleep, wake, charging your Mac notebook battery, or other power-related symptoms, you might need to reset the SMC instead. Power related settings can be controlled by the System Management Controller (SMC) on your Mac. The settings that are stored in NVRAM depend on the type of Mac you're using, and the types of devices connected to it. Power up the system and give it another try.Ī small amount of your computer’s memory, called “non-volatile random-access memory” or NVRAM, stores certain settings in a location that OS X can access quickly. Place the tip of the nozzle attachement where it is aiming inside the drive and give it a couple of quick blasts to blow out any dust particles that may be causing you issue. Compressed Air Duster ) just for $15 from Amazon, It can vacuum out dust and dirt from the chink of the keypad of calculator,telephone,computer,car and so on so give it a good spray into the CD / DVD drive slot on your Mac and this will resolve the problem.To do this first Shutdown your computer and get a can of compressed air. I bought this air duster Ecola Vacuum Cleaner ( for Keyboard,Notebook,Computer,Car etc. Your CD / DVD drive on your Mac might have got dust in its lens so clean the dust out. Clean the SuperDrive’s slot with compressed gas/ Vaccum Cleaner
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February 2023
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