Really, even if you had a power shortcut or the progress bar really seems cut in stone, it can still resurrect. In case it seems like the progress bar of the Sierra installation is stuck and won’t move for ages, there is a chance it froze. As we mentioned above, CleanMyMac X will free you from junk on drive and prepare your Mac for the macOS update in minutes. In case you haven’t yet started the installation: If your Mac is slow, you have little free space on drive, and the rainbow wheel is a common sight on the screen, you can try to clean up your Mac before installing Sierra. What options do you have? Well, if you have already started the process, the only reasonable option you have is to wait, sorry. This is a frankly common Sierra problem among users who are trying to upgrade from a machine that is generally a bit slow or cluttered. The app has everything you need to finish the 3-hour task of hard drive cleanup in less than 5 minutes. CleanMyMac will help you get rid of large and old files, application leftovers, system junk, and a whole lot more without the worry of removing critical files. If you don’t want to look for all the junk files manually, you can use an amazing utility CleanMyMac X and save tons of time. So, if you get an error message saying that you don’t have enough hard drive space, get rid of all large and useless files and apps. You need to make sure that you have at least 8 GB of free space available on your Mac. It can be annoying if your macOS Sierra installation process is interrupted just because you don’t have enough space to install the new operating system. Mac won’t start after Sierra installation.

Here, we’ll go over macOS Sierra’s known issues (the unknown are yet to be discovered, I’m afraid) and try to find the right fix for each. While for most, it’s a usual pleasurable experience, for some, this update had downsides. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here’s a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.

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