The computer name on a MacBook serves as its digital identity. It is how the laptop identifies itself to other devices during an AirDrop transfer, how it appears on a local Wi-Fi network list, and how it is labeled within your iCloud account. Whether you have inherited a pre-owned Mac, started a new job with a company machine, or simply want to personalize your device, knowing how to change this name is a fundamental skill for any Mac user.

While the process is generally straightforward, Apple’s transition from "System Preferences" to "System Settings" in recent years has changed the location of these controls. Furthermore, there is a technical distinction between the user-friendly "Computer Name" and the network-centric "Local Hostname." This guide provides a comprehensive walkthrough for changing these identifiers across all macOS versions, including advanced Terminal methods and troubleshooting steps for network synchronization.

Quick Answer for Modern macOS Users

For those running macOS Ventura (13.0), Sonoma (14.0), or the latest Sequoia (15.0), the process is located within the updated settings interface:

  1. Click the Apple Menu () and select System Settings.
  2. Navigate to General in the left sidebar.
  3. Click About on the right side.
  4. Click the text field labeled Name at the very top.
  5. Type the new name and press Return.

This change takes effect immediately for local services like AirDrop and file sharing.

Step-by-Step Instructions for macOS Ventura and Newer

Since the release of macOS Ventura, Apple has redesigned the system management interface to align more closely with iOS and iPadOS. This means the "Sharing" pane, which previously housed the computer name, is no longer the primary location for this specific task.

Accessing the About Section

In the modern macOS architecture, the primary identity of the hardware is consolidated under the "About" section. To reach this, open the System Settings app. In the sidebar, you will see a list of categories ranging from Appearance to Privacy. Select "General." This section acts as a hub for core system configurations.

Inside the General menu, the first option is "About." Clicking this reveals the technical specifications of your MacBook, such as the processor type, memory, and serial number. At the top of this list is the "Name" field.

Editing the Name

Unlike older versions where you had to find a specific "Edit" button, the modern interface allows you to click directly on the current name. Once clicked, the text becomes editable.

When choosing a name here, you can use spaces, capital letters, and special characters. For example, "Sarah’s MacBook Pro 2024" is a valid name. Once you type the new identifier and press Return, the system updates the internal metadata. You do not need to restart your computer for this change to be registered by the macOS kernel.

How to Change the Name on macOS Monterey and Older

If you are using an older MacBook or have chosen not to update past macOS 12 (Monterey), your interface uses the classic "System Preferences" layout. In these versions, the computer name is grouped with network sharing features rather than general system information.

Navigating to Sharing Preferences

Click the Apple Menu () and choose System Preferences. In the grid of icons, locate the folder icon labeled Sharing.

The Sharing pane is responsible for managing how your Mac interacts with other computers on a local network. It controls File Sharing, Printer Sharing, Remote Login, and more. Because the computer name is the primary way other devices see your Mac on a network, Apple placed the name configuration at the very top of this window.

Modifying the Text Field

In the Sharing window, look for the text box labeled Computer Name. Simply delete the existing text and enter your desired name.

On some versions of macOS, you may notice a padlock icon in the bottom-left corner. If this lock is closed, you must click it and enter your administrator password before the system will allow you to edit the computer name. Once the name is changed, you can simply close the window; the settings save automatically.

Using Terminal to Rename Your MacBook

For system administrators, power users, or those who prefer a command-line interface, macOS provides the scutil (system configuration utility) command. This method is often more reliable because it allows you to explicitly set the three different types of names used by the operating system: the Computer Name, the Hostname, and the Local Hostname.

The Three Identity Types

Before running commands, it is essential to understand what you are changing:

  • ComputerName: The "friendly" user-visible name (e.g., "John's MacBook").
  • HostName: The name used by the computer in a network DNS context and at the Shell prompt.
  • LocalHostName: The name used by Bonjour (Apple's zero-configuration networking) on the local subnet (e.g., "johns-macbook.local").

Executing the Commands

Open the Terminal app (found in Applications > Utilities). To change all three names to a consistent value, execute the following commands one by one, replacing NewName with your preferred identifier. Note that the HostName and LocalHostName should not contain spaces.

  1. Set the Computer Name: sudo scutil --set ComputerName "My MacBook Pro"
  2. Set the Local Hostname (for AirDrop/Bonjour): sudo scutil --set LocalHostName "My-MacBook-Pro"
  3. Set the Hostname (for Network/Terminal): sudo scutil --set HostName "My-MacBook-Pro"

After entering the first command, the system will prompt you for your administrator password. You will not see characters appear as you type the password; this is a standard security feature. Press Enter after typing it.

Verifying the Changes via Command Line

To ensure the commands were successful, you can query the system configuration:

  • scutil --get ComputerName
  • scutil --get LocalHostName
  • scutil --get HostName

The output should reflect the new names you have assigned.

Understanding the Difference Between Names

A common point of confusion for MacBook users is why a name change in the "About" section doesn't always reflect perfectly in every network scenario. This is because macOS manages multiple "identities" for different protocols.

The Friendly Computer Name

This is the most visible name. It appears in the Finder sidebar, in the "About This Mac" window, and in the iCloud "Find My" app. It is designed for humans and supports emojis, spaces, and punctuation. If you name your Mac "🚀 Super-Mac," this is what you will see in your device list.

The Local Hostname (.local)

The Local Hostname is used by the Bonjour protocol, which powers AirDrop and local printer discovery. Because this name must be compatible with standard networking protocols, macOS automatically converts your friendly name into a dash-separated version. For example, "Sarah's Mac" becomes "Sarahs-Mac.local."

If you find that your Mac appears as "Macintosh-2.local" on a network, it is usually because another device with the same name was already detected. You can manually override this in System Settings > General > Sharing > Edit (next to Local Hostname).

The Shell Hostname

This is the name that appears in your Terminal prompt (e.g., user@MacBook-Pro ~ %). If this is not explicitly set, macOS often defaults to the Local Hostname. Setting this via the scutil command mentioned earlier provides the most consistent experience for developers and those using SSH to access their Mac remotely.

Why Change the Computer Name?

There are several practical reasons to ensure your MacBook has an accurate and unique name.

1. AirDrop Efficiency

When you attempt to AirDrop a file from an iPhone, you are presented with a list of nearby devices. If you are in a public space like a coffee shop or a university library, and multiple people have kept the default "MacBook Pro" name, it becomes impossible to know which device belongs to you. Customizing your name to something distinct, like "Alex-MBP-GreenCase," ensures you never send sensitive files to a stranger.

2. Network Organization

In a household or office with multiple Macs, the router's admin panel will show a list of connected clients. If every device is named "MacBook," troubleshooting network issues or assigning static IP addresses becomes a guessing game. A clear naming convention (e.g., "Kitchen-Mac," "Studio-Mac") simplifies network management.

3. iCloud and Find My

If you own multiple Apple devices, your iCloud account tracks them all. When you go to the "Find My" app to locate a lost device, having a specific name helps you distinguish between your old MacBook Air and your new MacBook Pro. It also helps when using features like Universal Control or Handoff, where the system needs to identify which screen it is interacting with.

Important Warning: Computer Name vs. User Account Name

It is critical to distinguish between changing the Computer Name and changing the User Account Name (or Home Folder name).

The computer name change described in this guide is a safe, cosmetic, and network-level change. It does not affect your files, your login credentials, or your application settings.

However, attempting to rename your User Account or the Home Folder (e.g., changing /Users/oldname to /Users/newname) is a high-risk operation. If done incorrectly, it can lead to a "permissions mismatch," preventing you from logging in or causing the system to treat you as a new user with none of your data visible. If your goal is to change the name displayed on the login screen, you should do so through System Settings > Users & Groups, but always ensure you have a full Time Machine backup before touching advanced account settings.

Troubleshooting: When the New Name Doesn't Show Up

Occasionally, after changing your MacBook's name, you might notice that other devices still see the old name. This is usually due to "caching," where devices remember old information to save time.

Flushing the DNS Cache

If your Mac's name is incorrect in Terminal or for network services, you can force macOS to refresh its network identity by flushing the mDNSResponder cache. Open Terminal and run: sudo killall -HUP mDNSResponder This command restarts the background process responsible for network name discovery without needing a full system reboot.

Refreshing AirDrop

If your iPhone still sees the old name, try the following:

  1. Turn off Bluetooth and Wi-Fi on the iPhone.
  2. Turn them back on.
  3. If the old name persists, restart the iPhone. AirDrop discovery relies on a localized cache that is often only cleared upon a radio cycle or a device reboot.

iCloud Device List Update

The iCloud web interface and the "Find My" list on other devices may take several hours to reflect a name change. This is because these lists are updated during periodic "heartbeat" syncs between your Mac and Apple’s servers. To speed this up, you can try signing out of iCloud and signing back in, though this is usually unnecessary if you are patient.

Best Practices for Naming Your Mac

To maintain a clean and professional digital environment, consider these naming tips:

  • Avoid Emojis for Networking: While macOS allows emojis in the friendly computer name, they can cause errors with older Windows servers or certain network routers.
  • Be Unique but Concise: "David’s 14-inch M3 MacBook Pro 2024" is descriptive but very long. "David-M3-Pro" is often more functional in sidebar lists.
  • Consistency: If you are an administrator for a small business, use a pattern like Department-Serial (e.g., MKTG-1234).
  • Privacy: Avoid putting your full name and phone number in the computer name if you frequently work in public spaces, as this information is broadcasted via Bonjour to anyone nearby with a network scanner.

FAQ: Frequently Asked Questions

Does changing the computer name delete my files? No. Changing the computer name is a system-level identifier change. It has no impact on your documents, photos, or installed applications.

Can I have two Macs with the same name on the same Wi-Fi? You can, but macOS will detect the conflict. The second Mac to join the network will automatically append a number to its name (e.g., "My Mac (2)") to prevent network collisions.

Will this change my "Find My Mac" name? Yes, but the update is not instantaneous. The "Find My" service will update the name the next time your MacBook checks in with Apple's servers.

Does changing the name affect Time Machine backups? Generally, no. Time Machine tracks the unique hardware UUID of your Mac. However, some network-attached storage (NAS) devices may see the new name as a "new" computer and might require you to re-select the backup disk. It is always good practice to check your backup status after a rename.

Why is my computer name "Macintosh" by default? If the system encounters a severe error during setup or if the network discovery service fails, it may default to "Macintosh," which is the legacy naming convention for Apple computers.

Summary

Changing your MacBook's name is a simple task that significantly improves your experience with AirDrop, iCloud, and local networking. On modern systems like macOS Sonoma or Ventura, you will find the option under System Settings > General > About. On older systems, it remains in the Sharing pane of System Preferences. For those who require precision, the Terminal provides the scutil command to align the Computer Name, Hostname, and Local Hostname. By following these steps and understanding the distinctions between the different name types, you can ensure your Mac is perfectly identified across all digital platforms.