#Mac restart smc mac#

#Mac restart smc mac#

Is your Mac running normally after using these steps? Share with us in a comment. If your Mac has been misbehaving, resetting the PRAM or SMC (or both) will get it back to operating as you expect it to. Resetting the SMC on an iMac, Mac mini, or. After a few seconds, turn on your Mac as usual.

Hold the keys for another 7 seconds, then release. Keep holding four keys for 7 seconds, and add the power button. Then press and hold left-side Control-Option keys with right-side Shift. These tests contain a suite of diagnostics that test your Mac for hardware issues, suggest solutions, and help you contact Apple Support for further assistance. Resetting the SMC on MacBooks with the T2 chip. If a PRAM/NVRAM or SMC reset doesn’t help, try using the Apple Diagnostics or Apple Hardware Test (for Macs introduced before June 2013). Wait another 5 seconds and then press the Power button to turn on the computer. Press and hold the Power button for 5 seconds, reinstall the battery, and then press the Power button to turn on the Mac.įor desktop Mac computers without the Apple T2 Security Chip, shut down the Mac, unplug the power cable and wait 15 seconds before plugging the cable back in. If you have a Mac notebook with a removable battery, shut down the Mac and remove the battery. Release the four keys after 10 seconds and press the Power button to turn on the Mac.Release the keys after 20 or so seconds and your Mac will appear to restart. To reset PRAM/NVRAM, shut down your Mac, power it on and press and hold the Option, Command, P, and R keys together at the same time.Resetting the PRAM/NVRAM on your Mac set the hard drive as the startup disk and restores the default hardware settings. Plus, you need to disconnect all speakers, dongles, drives, external displays, and keyboards so that nothing will interfere with the resetting process. You can back them up to an external drive or a USB key. Resetting your Mac should be a last resort when troubleshooting options such as rebooting and other tricks to speed up a slow computer failure.īefore you can reset the PRAM and SMC on your Mac, have a recent backup of all your critical stuff.

Bouncing Dock icons keep bouncing without opening the related apps.Power indicator not displaying or displaying incorrectly.Mac doesn’t respond properly when you open or close the lid.

Mac runs unusually slowly even with little CPU usage.

Battery doesn’t appear to be charging properly.

Keyboard backlight, battery indicator light, display backlight, and status indicator lights behave incorrectly.

Such issues include but aren’t limited to: