Just press and hold the power button on your Mac until it turns off. A new window will show up, waiting for you to enter a command. If you're selling, giving away, or trading-in your Mac and want to leave it in an out-of-box state, don't use the setup assistant or your previously connected Bluetooth devices, if any. With your Mac now in Recovery Mode, click on Utilities in the menu bar followed by Terminal.
When reconnecting to a Bluetooth keyboard, you're asked to choose a language. If the accessory doesn't connect within 30 seconds, turn the accessory off and back on. If it needs to reconnect to a Bluetooth accessory such as a keyboard or mouse, you might be asked to turn on the accessory. You can clear Firefoxs cache by going to the browser settings, clicking on Privacy & Security, and scrolling to Cookies and Site Data. Your Mac restarts and shows a black screen or progress bar.Click Erase All Content & Settings to confirm that you want to proceed.If you're asked to sign out of Apple ID, enter your Apple ID password and click Continue.
Click Continue to allow your settings, media, data, and the other listed items to be removed.Or click Continue to proceed without making a new backup. If you're asked to back up your Mac before resetting it, you can open Time Machine and back up to an external storage device.Enter the password that you use to log in to your Mac, then click OK. An erase assistant asks you to sign in with your administrator credentials.
#Reset firefox for mac mac os
After choosing Erase All Content and Settings, follow these steps to continue: When you display user agent (Request.UserAgent) in Firefox on iPhone, it is: Mozilla/5.0 (iPhone CPU OS 1331 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/23.
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