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Are there any problems with macOS Sierra update?
Some users are complaining that they can no longer open certain apps after updating to macOS Sierra. Instead, they’re getting an error message that says the app is ‘damaged and can’t be opened’. To fix this problem you’ll need to delete the cache in macOS Sierra.
What to do if your Mac wont start after installing macOS Sierra?
If you’ve installed macOS Sierra, but your Mac won’t start, then restart your Mac and hold down Command, Option, P and R, which will reset the NVRAM (non-volatile RAM). Hold the keys down until the computer restarts and you hear the startup chime for the second time.
Where to find macOS High Sierra installer app?
If you can’t find it, use the search box, or click the link above. Once macOS High Sierra is downloaded, press Command + Q on your keyboard to quit the installation process. This will keep the macOS High Sierra installer app installed on you Mac in the Applications folder. Next, you’ll need a USB drive over 8GB in size.
Why does iTunes not work after upgrading to macOS Sierra?
If that doesn’t work, try turning off indexing on the drive you’re backing up. You may find that iTunes doesn’t work after upgrading to macOS Sierra. The good news is that this problem is pretty easy to rectify, so you’ll be back to listening to your favorite tunes in no time!
What causes my MacBook Pro to freeze up?
Users are saying the Freeze / Lockup issue happens when using GPU Hardware Accelerated Video. This could be full screen video based activity. How does the issue start? All you need to do is use some type of Video Conference Software that has multiple users with video enabled.
Why is my WiFi so slow after macOS High Sierra?
Some people reported their Wi-Fi dropping off after the installation of macOS High Sierra. You may also notice your connection got slower. To tackle this, update your Wi-Fi preferences. First, you will need to remove the current settings which is quite easy to do.