If you’re facing trouble with your MacBook such as startup issues, memory issues, or display problems, resetting the PRAM/NVRAM could be a solution. In this guide, we will discuss what PRAM and NVRAM are, the reasons for resetting them, and how to do it.
PRAM vs NVRAM
PRAM and NVRAM stand for Parameter and Non-Volatile Random Access Memory, respectively. PRAM/NVRAM stores certain system parameters such as volume settings, display brightness and resolution preferences, and wireless settings, which are not reset when you shut down your Mac.
Reasons to Reset PRAM on a Mac
- If your Mac doesn’t start properly.
- If external devices, hard drives, or monitors are not recognized.
- If the time shown is incorrect.
- If there are Bluetooth connectivity issues.
How to Reset PRAM/NVRAM on a MacBook
You can reset PRAM by using keyboard shortcuts at startup or by using Terminal commands. Here are the two methods:
Keyboard Shortcut Method
- Shut down your Mac.
- Start it again by pressing the Command, Option, P, and R keys simultaneously.
- Hold the keys for 20 seconds until the restart process begins.
- Release the keys and launch System Preferences to adjust the settings.
Terminal Method
- Open Terminal.
- Type “sudo nvram -c” and press Enter.
- Enter the admin password when prompted.
- Type “sudo shutdown -r now” and press Enter again.
Troubleshooting Tips and Tricks
If your desktop Mac resets time zones or volume each time you shut down, you might need a new battery. Also, power-related issues may require resetting the System Management Controller. It’s best to take your Mac to an authorized repair shop if you face such issues.
Benefits of Resetting PRAM/NVRAM on a MacBook
- This guide is free to read.
- It helps users overcome common MacBook issues.
- It is easy to understand and follow.
FAQs
What is this guide about?
This guide explains how to reset PRAM/NVRAM on a MacBook.
How does this guide help?
This guide helps users troubleshoot common MacBook issues related to display, sound or Bluetooth, and is easy to understand and follow.
Conclusion
Resetting PRAM/NVRAM on a MacBook is an easy process that can help overcome common issues. If you face any issues or have any questions related to this guide, you can contact us anytime.
