Hello and welcome to the Zorin Forum! It's always GREAT when newcomers arrive as it helps in the growth of the community as well as helps us all become more knowledgeable in Linux and how to solve new issues that may come to light. Plus assist Team Zorin as they work on the next Zorin OS for future users.
Please take the time to use the search function above as well as the Tutorials and Guides to see if your issues has already been addressed before. It helps the Mods and others to focus on new issues as they all do for their love of Zorin and out of their Free time.
Please include when posting your system specs as this helps the Mods and others when assisting you in a resolution to your problem
System specs:
CPU
GPU
RAM
HD
ZORIN OS (i.e. Core Lite Pro )
Make of Computer
Model
here is a couple of links of reasons that may help right now as we wait for info from you