How to Rename Your Mac: A General Guide

How to Rename Your Mac

Are you tired of seeing the default name on your Mac every time you turn it on? Perhaps you’re just looking for a more personalized name for your beloved device? Whatever your reason may be, renaming your Mac is a simple process that can be done in just a few steps.

In this article, we will guide you through the process of renaming your Mac. From renaming in the System Preferences menu to changing it in the Terminal app, we’ve got you covered. So, let’s get started!


Step 1: Click on the Apple Logo in the top-left corner of the screen and select “System Preferences.”

Step 2: Click “Sharing”.

Step 3: In the “Computer Name” field, type your desired name.

Step 4: Close the System Preferences window.

Step 5: Restart your Mac.

Step 6: Once your Mac has restarted, check to see that the new name appears in the Sharing preferences.

Step 7: If the new name doesn’t appear, try restarting your Mac again.

Step 8: If the new name still doesn’t appear, try running these commands in the Terminal app:

sudo scutil –set HostName [NewHostName]

sudo scutil –set LocalHostName [NewHostName]

sudo scutil –set ComputerName [NewHostName]

Note: Replace [NewHostName] with the desired name for your Mac, without the brackets.

Step 9: After running the commands, restart your Mac.

Step 10: Open the Terminal app again and run the command:

sudo defaults write /Library/Preferences/SystemConfiguration/ NetBIOSName -string [NewHostName]

Note: Again, replace [NewHostName] with your desired name.

Step 11: Restart your Mac one final time.

Step 12: Your Mac should now be fully renamed!


Renaming your Mac can be done in multiple ways, but the most straightforward method is through the System Preferences menu. Simply navigate to the Sharing preferences and change the Computer Name field.

If the new name doesn’t appear after restarting your Mac, you can run commands in the Terminal app to force the name change. These commands change the HostName, LocalHostName, and ComputerName fields. Additionally, you can run a command to change the NetBIOSName in case your Mac is part of a network.

Tips and Tricks

1. Try to avoid using characters such as / \ : * ? ” < > | in your Mac’s name.

2. If you’re renaming your Mac for security reasons, consider changing your user account name and deleting any sensitive information on your device.

3. If you’re renaming a work computer, consult with your IT department before making any changes.

4. If you’re having trouble renaming your Mac, try resetting the SMC (System Management Controller) and PRAM (Parameter RAM).

5. You can also change the name of your hard drive and external storage devices in the Finder preferences.

6. If you’re using a Bluetooth keyboard, be sure to pair it with your Mac after the name change.

7. Avoid using generic names such as “Mac” or “Apple” to minimize confusion if you have multiple Apple devices.

8. If you’re having trouble deciding on a name, try using a name generator or a personal name that holds special meaning to you.

9. If you’re using your Mac for gaming or streaming, consider using a name that reflects your online persona.

10. Remember to have fun and be creative with your Mac’s new name!

Advantages and Disadvantages of Renaming Your Mac


1. Personalization – Renaming your Mac can give it a more personalized touch, making it feel more like yours.

2. Identification – A unique and recognizable name for your Mac can help you easily identify it when connected to multiple devices.

3. Organization – The ability to name your Mac according to its intended use or location can help with organization and file management.

4. Security – Renaming your Mac can add an extra layer of security by making it harder for unauthorized access.

5. Simplicity – A shortened and simpler name can make it easy to distinguish between multiple devices on a network.

6. Fun – Let’s face it, renaming your Mac can be a fun and creative way to show off your personality.

7. Communication – A descriptive and recognizable name for your Mac can make it easier to communicate with others during file sharing or collaboration.

8. Originality – With so many Mac users out there, renaming your machine can help it stand out and add a touch of originality.

9. Easier Access – Shortening the name of your Mac can make it easier to access when typing in its name in various apps.

10. Efficiency – Renaming your Mac can help increase productivity by allowing for quick and easy identification during both personal and professional use.


1. Compatibility – Renaming your Mac can cause compatibility issues with certain apps and software that rely on the original name.

2. Confusion – If multiple devices on a network have similar or confusing names, it can cause confusion and potential errors.

3. Difficult to Undo – Changing the name of your Mac is a permanent action and can be difficult to undo without a complete system restore.

4. Network Issues – Changing the name of your Mac can cause temporary issues with network connectivity and file sharing.

5. Learning Curve – It can take some time to adjust to a new name for your Mac, which can be frustrating for some users.

6. Technical Knowledge – Renaming a Mac requires some technical knowledge and experience, which may not be available to all users.

7. Risk of Data Loss – Renaming your Mac incorrectly can lead to a loss of data or files.

8. Limited Benefits – Renaming your Mac may not provide significant benefits for all users and may not be worth the time and effort.

9. Inconsistencies – Renaming your Mac can sometimes cause inconsistencies with metadata and file paths, making it difficult to locate specific files.

10. Compatibility with Other Devices – Renaming your Mac can cause issues with compatibility when attempting to connect to other devices or system components.


1. What does renaming a Mac mean?

Renaming a Mac means changing its name from the default name assigned by Apple to a name of your choice.

2. How do I know what my Mac’s current name is?

You can find your Mac’s current name in the Sharing preferences pane in System Preferences.

3. Why would I want to rename my Mac?

You might want to rename your Mac to make it more easily identifiable on a network, or to give it a more personal touch.

4. Can I change my Mac’s name more than once?

Yes, you can change your Mac’s name as many times as you like.

5. Does renaming my Mac affect its functionality in any way?

No, renaming your Mac does not affect its functionality whatsoever.

6. Can I use any name I want when renaming my Mac?

Yes, you can use any name you want as long as it is not already in use on the network.

7. How do I rename my Mac?

You can rename your Mac by going to the Sharing preferences pane in System Preferences, clicking on the Edit button next to the current name, and typing in the new name.

8. Do I need to restart my Mac after renaming it?

No, you do not need to restart your Mac after renaming it.

9. When I rename my Mac, does it affect the names of my files and folders?

No, renaming your Mac does not affect the names of your files and folders.

10. Will renaming my Mac affect any apps or services that rely on my Mac’s name?

It could affect some network services, but most apps and services should not be affected by a name change.

11. Can I use emojis or special characters in my Mac’s name?

No, you cannot use emojis or special characters in your Mac’s name.

12. Will renaming my Mac affect my Time Machine backups?

No, renaming your Mac will not affect your Time Machine backups.

13. If I sell my Mac, will the new owner see the name I gave it?

No, the new owner will not see the name you gave your Mac unless they specifically look for it in the Sharing preferences pane.

How to Rename Your Mac

Renaming your Mac can be a useful way to personalize it or to make it easier to identify in a network. It can seem like a daunting task, but it is actually a simple process. In this article, we will guide you through the steps to rename your Mac.


Renaming your Mac is easy and can be done in just a few seconds. With these simple steps, you can have a personalized and easily identifiable Mac. Whether you are doing it for a network or just for fun, go ahead and give your Mac a name that suits your personality and needs.

Thank you for reading this article on how to rename your Mac. We hope you found it helpful. Stay tuned for more useful tips and tricks for Mac and other devices. See you soon!