Common Mac error messages so check to see if it is covered there, or you could do a quick search in Google to see if anyone else is seeing the same error and if they fixed.
The good news is that you will rarely use Activity Monitor, since Mac OS and applications within it run much better than Windows, but its good to have it readily available in case something goes haywire.
Fixing this issue will involve putting your Mac into Recovery Mode and choosing the correct startup disk (which is likely to be your Macintosh HD, unless you want to boot from an external drive).
Manictime is great for monitoring usage times for different programs.Use a different power cable - see if a friend can let you borrow one.Next PostTest Drive Linux Operating Systems with VirtualBox.Read this article on backing up your Mac.These steps will depend on whether your Mac is even switching on, of course, and we look at how to fix a Mac that wont start up next.
If a root process appears to be hogging the CPU, don't just quit it, it's isopen - iso burner review usually a symptom of another problem.
How to repair disc permissions When Apple released El Capitan in 2015 it removed the ability to repairing disk permissions.If you are wishing to repair your Macs startup drive (the boot volume) you won't be able to as Disk Utility cant repair the mounted volume (the one that everything is running from).The removal of the feature probably indicates that repairing permissions was one of those solutions given that didnt really do a whole lot of good.Start in Safe Mode - You may also be able to diagnose problems with your Mac if you start in Safe Mode.Bluetooth isnt working If you are trying to use a Bluetooth accessory, like a keyboard or mouse, or if you are trying to use a feature that requires Bluetooth, like AirDrop, you may encounter problems such as the Bluetooth Not Available error.After shutting down your Mac wait 10 seconds and then press the power button.Should you be seeing the beachball for longer than youd like check the CPU and RAM sections of Activity Monitor to see if there is a hog (more on Activity Monitor in the next section).How to fix a Mac that wont turn.
As soon as your Mac starts (you may hear a start up chime) press and keep holding the Shift key.
We look at both of those occurrences below.