. This "refreshes" the entire screen by restarting the graphics driver, which is helpful if your screen is flickering or frozen. Desktop/Context Menu: Shift + F10
A "hard refresh" forces the computer to ignore saved files (cache) and download everything new from the server. This is useful if a page isn't updating correctly. How To Do A Hard Refresh In Google Chrome how to refresh your computer screen hot
: Use Option + Command (⌘) + E followed by refreshing. Troubleshooting: Fixing a Frozen Screen how to refresh your computer screen hot