Battery life reduced on macOS High Sierra. App crashes or doesn't open on macOS High Sierra. Mac won't start after macOS High Sierra installation. macOS High Sierra is slow or freezes at random. Time Machine is stuck on Preparing the Backup. If this doesn't do anything, you'd want to know what's making it slow If it's still too slow or if it freezes randomly, try restarting.
High Sierra Running Slow MacOS High Sierra Slows Down or Freezes Randomly If you just finished installing High Sierra, give your Mac some time to adjust and configure itself. Time Machine app is stuck at Preparing Backup. You don't have disk space to get macOS High Sierra on your computer. Both these tools map the wifi networks within range of your Mac and identify areas where signals are either strong or weak We have listed some of the common MacOS High Sierra problems that users mostly encountered. To analyse your wifi network after installation, use WiFi Explorer or NetSpot, both available in Setapp. One of the issues that has been reported the macOS High Sierra is with wifi signals.
