How to Disable Popups on a Macbook
The MacBook is a brand of Macintosh notebooks made by Apple. The laptop line replaced the iBook and PowerBook series in 2006. Most MacBook owners prefer the Safari or Firefox browser for Internet use. Both of these browsers have pop-up blocker functionality that allows you to ward off unsolicited advertisements as you surf the Web.
Launch the Safari browser by finding the icon in your dock or applications folder.
Click "Safari" in the main menu bar.
Click on "Block Pop-Up windows" so that a check appears next to the option.
Restart your browser.
Launch your Firefox browser by clicking on the icon in the dock or applications folder.
Click "Firefox" in the main menu bar.
Scroll down and click "Preferences."
Click the "Content" tab.
Put a check mark next to "Block pop-up windows." Close the window and restart your browser.