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However, the underlying purpose of NVRAM, short for Non-Volatile Random Access Memory, remains the same. It stores basic info which a Mac or PC needs before booting up, like time zone, display resolution, and other startup information. PRAM (Parameter Random Access Memory) is memory powered by a ​​button battery. Read on if your MacBook Pro has been acting up recently and you need a quick solution! Steps to Reset PRAM or NVRAMīefore I get into the steps to reset PRAM or NVRAM, let’s define what they are. In this article, I’ll guide you through the steps for resetting NVRAM and answer some common questions.

At the advice of a friend, I reset the NVRAM, and I was able to control the volume again! A few weeks ago, the volume control in the Menu Bar in my MacBook Pro was suddenly grayed out. Is your MacBook Pro exhibiting unusual bugs, like flickering screen, inaccurate time, or displaying a question mark before startup? If so, resetting your PRAM or NVRAM with the ‘ Command + Option + P + R’ keyboard shortcut can help squash this pesky issue. As an Amazon Associate, We earn a commission from qualifying purchases at no extra cost to you. The main browsers like Chrome, Firefox and Safari all have preference menus that allow you to set that browser as the default with the click of a button or check of a box.This site contains affiliate links. You also can later decide to set a different browser as the default. The browser will then update System Preferences for you and set that new browser as the permanent one. Select that you want the new browser as your default: For instance, loading Firefox gives this screen. If you open a browser that is not a default, you’ll generally get a pop-up window asking if you want to set the browser to default. You can also use the browser to set itself as the default. Selecting the Default Browser Through the Browser Itself Choose which browser you want from the Default web browser menu.Select the Apple icon on top the left of the screen.One of the most direct ways to set a default browser is to go through the System Preferences menu. Selecting the Default Browser Through the Browser Itself.