Which OS does your computer have? Try disabling this feature for your browsers. For example, locate the Chrome executable which is commonly found in %ProgramFiles(x86)%/Google/Chrome/Application/. Right click the file, select "Properties" and then under the "Compatibility" tab tick the box saying "Disable display scaling on high DPI settings"
I load IE & Google Chrome, they come up on task bar but will not go to full screen ??
I have tried uninstall & reloading -did not work ?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic