Visit Business Insider's Tech Reference library for more stories. Sometimes in life, you just have to cut your losses and call it quits. This is certainly the case when your Mac is giving you trouble ...

Can it be done? I have it plugged into a KVM b/c it was the only USB keyboard we had... Now I can't issue a ctrl+alt+delete to login. Reconfiguring the machines is not an option because this is for my ...

If you want force an app or program to quit on your Mac, you can use a similar keyboard shortcut to PC's Control+Alt+Delete. Force quitting a program will sacrifice any unsaved changes, so do it with ...