I also wiped the hard drive, reinstalled Leopard then Windows 7 and everything works except when I boot to Windows, Apple software Update crashes. Littleplant littleplant. Hi, I have a Macbook air from , just got it under a month ago… I have tried resetting the SMC many times and it has successfully worked fine… although after a couple of days, it is back to normal again… I do this because the batterylife is draining a little too fast and the fan makes loud noises without having barely anything open.
Nicholas Winninger. If you are able, I highly recommend removing the back cover of the laptop and unplugging the laptop battery from the mother board for 5 minutes. Then perform an SMC reset with the power cord plugged in. Then reconnect the battery. I replaced the battery in my MBP Retina The battery drains too fast and has lost capacity. The computer refuses tossup down completely and I no longer get the charge battery screen.
Otherwise all is working. SMC reset just restarts the computer. April 25 by Pam Dooner. Fix Your Stuff Community Store. Back Answers Index. MacBook Unibody A 2. Eric Rep: 2 2 1. View the answer I have this problem too Subscribed to new answers. Is this a good question? Yes No. Voted Undo. Score Tried countless times and finally SMC reset worked, not really sure what I did differently.
Chosen Solution. Shut down the computer. Disconnect the MagSafe power adapter from the computer, if it's connected. Remove the battery. Press and hold the power button for 5 seconds. Release the power button. Reconnect the battery and MagSafe power adapter. Press the power button to turn on the computer. Resetting the SMC on portables with a battery you should not remove on your own 1. Do keep in mind that by resetting the SMC you will lose power specific settings, like the time it takes to sleep a Mac and other customizations to power settings.
No big deal, but if you have made many changes to your hardware behavior you will want to adjust stuff like sleep behavior again.
On any desktop Mac, here is how you reset the System Management Controller:. While still pressing all these keys, hold down the power button as well.
Make sure to hold down all four keys for 10 seconds and then release them. After that, release the keys, wait a few seconds and then press and hold the power button until your MacBook turns on. Pro Tips to Fix the Issue. Now that you know how to take control of SMC related issues, make the most of it to help your MacBook deliver the best.
This hack can fix the problem in most cases. If the problem persists even after resetting SMC, the issue could be due to the damage of internal components. And in this case, contacting a trusted MacBook repair centre is always the way to go. The longer the problem persists, the more damage it could cause to your device. Your Mac might turn on and show the Apple logo on its display.
Keep holding those keys while you also press and hold the power button for another 7 seconds. If your Mac turned on when you first pressed the keys, it turns off at this point. Release all three keys and the power button, then wait a few seconds.
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