Connecting Wi-Fi on the MacBook Air M1: A Complete Guide with Troubleshooting Tips

MacBook Air based on the processor Apple M1 — is one of the most popular devices for work and study, but even experienced users sometimes have issues connecting to wireless networks. Unlike models with Intel-chips, M1 versions There are a number of nuances in the operation of the network adapter related to energy optimization and new hardware. This article will help you understand how to properly configure Wi-Fi on MacBook Air M1, avoid common mistakes and quickly solve problems if the network suddenly stops working.

We will cover not only the basic connection steps, but also advanced settings - from manual channel selection to diagnostics via TerminalWe will pay special attention to characteristic "bugs" of the M1, which are not found on older MacBooks: for example, spontaneous connection breaks at low signal levels or conflicts with some routers at a frequency 5 GHzIf you just unpacked a new one MacBook Air M1 or encountered problems after the update macOS - This instruction is for you.

Before proceeding with settings, make sure that your router supports modern wireless standards. MacBook Air M1 compatible with Wi-Fi 6 (802.11ax), but for stable operation it is enough Wi-Fi 5 (802.11ac)If your router is older than 2015, you may need to update its firmware or change its security settings.

1. Preparation before connection: checking equipment and network parameters

Before connecting MacBook Air M1 Before connecting to Wi-Fi, follow a few preliminary steps. This will help avoid common issues related to hardware incompatibility or incorrect router settings.

Check your macOS version: at the time of writing the article is relevant macOS Sonoma or newer. If your MacBook works on Big Sur or Monterey, some Wi-Fi features (such as support WPA3) may be limited. Update your system via System Settings → Software Update.

Make sure the router is turned on and accessible.The Wi-Fi indicator on your router should be on or blinking. If there's no indicator, check to see if the wireless network is disabled in your router settings (sometimes this is done to save power). Also, make sure you're within range: MacBook Air M1 can "see" networks up to 50 meters away indoors, but a stable connection is usually limited to 10-15 meters from the router.

  • 🔌 Router power supply: connect it to the network and wait until it boots up completely (1-2 minutes).
  • 📡 Opening hours: Make sure that your router is not in Bridge or Repeater mode, as this may interfere with the connection.
  • 🔒 Security: If the network is password protected, make sure you know it. MacBook case sensitive!
  • 📱 Test on another device: Try connecting to the same network from your phone or tablet. If that doesn't work, the problem is with the router, not the MacBook.
⚠️ Attention: If your router uses WEP- encryption (obsolete standard), MacBook Air M1 will not be able to connect to such a network. Update your router's security settings to WPA2-PSK or WPA3.
📊 What router are you using?
TP-Link
ASUS
Xiaomi
Keenetic
D-Link
Another

2. Basic Wi-Fi Connection: A Step-by-Step Guide for Beginners

If all preliminary checks are passed successfully, we proceed to the connection. MacBook Air M1 This is done through the control panel in the upper right corner of the screen.

Step 1: Open the Wi-Fi menu: Click on the wireless network icon (three waves) in the menu bar. If the icon is not there, enable it in System Preferences → Control Panel.

Step 2: Select a network: Find your network name (SSID) in the drop-down list. If the network is not listed, refresh it by clicking Refresh the list of networks, or check if the SSID is hidden in the router settings.

Step 3. Enter your password: After selecting the network, a window will appear asking you to enter the password. Enter it carefully - MacBook dots are displayed instead of symbols. If the password is long, use the clipboard (Cmd + C/Cmd + V).

Step 4. Confirm the connection: click ConnectAfter a few seconds, a checkmark will appear next to the network name, and the Wi-Fi icon in the menu bar will become active.

The Wi-Fi icon in the menu bar is active (three filled waves)

The network name is displayed with a check mark in the Wi-Fi menu.

Web pages open in the browser (check speedtest.net)

IN System Preferences → Network status "Connected"-->

If the connection fails, please check:

  • 🔄 Rebooting the router: Sometimes it helps to just turn it off and on again.
  • 📶 Signal level: if it is weak (1-2 bars), try moving closer to the router.
  • 🔑 Correctness of the password: on MacBook Passwords are case-sensitive and keyboard layout-sensitive.

3. Advanced Wi-Fi settings on MacBook Air M1

If the basic connection is successful, but the network is unstable (drops, low speed), it's worth looking into the advanced settings. They are hidden in System settings and allow you to fine-tune the adapter's parameters.

How to open advanced settings:

  1. Go to System Preferences → Network.
  2. Select Wi-Fi in the left column, then click Additionally… in the lower right corner.
  3. A window with tabs will open: Wi-Fi, TCP/IP, DNS, WINS And Hardware.

Key parameters for optimization:

  • 📡 Automatic connection: on the tab Wi-Fi You can specify priority networks. Drag your network to the top of the list.
  • 🔄 Updating DNS: on the tab DNS add public DNS servers (eg. 8.8.8.8 And 8.8.4.4 from Google) to speed up page loading.
  • 🛡️ Security: if your network supports WPA3, select it in your router settings - this will improve protection.
  • 📶 802.11 mode: On some routers it is better to disable 802.11r (Fast Roaming), as it may conflict with MacBook M1.
Parameter Recommended value Note
Wi-Fi standard 802.11ax (Wi-Fi 6) or 802.11ac If the router does not support Wi-Fi 6, select 802.11ac for maximum compatibility.
Channel width 20/40/80 MHz (car) On overloaded networks (apartment buildings) it is better to install 20 MHz for stability.
Security mode WPA2-PSK or WPA3-PSK WPA3 More secure, but may not be supported by older devices.
Wi-Fi channel Auto or manual (for example, 36 For 5 GHz) In manual mode, select the least loaded channel (check through applications like WiFi Explorer).
⚠️ AttentionRouter settings may vary depending on the model and firmware. If you're unsure of the settings, leave them in default mode. Auto or refer to the manufacturer's documentation.

4. Common Wi-Fi Problems on the MacBook Air M1 and Their Solutions

Even after proper configuration, users MacBook Air M1 Sometimes we encounter problems: the network connects but doesn't work, the speed is lower than expected, or the connection keeps dropping. Let's look at the most common cases and how to resolve them.

Problem 1: Wi-Fi connects, but the internet doesn't work

If there's an exclamation mark next to the Wi-Fi icon or pages aren't loading:

  • 🔄 Reboot your router and MacBook.
  • 📡 Check if your router is issuing IP addresses (DHCP). To do this, open System Preferences → Network → Wi-Fi → Advanced → TCP/IP and look at the line IPv4 configuration. If there Manually — switch to Use DHCP.
  • 🛠️ Reset DNS cache in Terminal:
    sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Problem 2: Low speed or frequent interruptions

If the speed is below 100 Mbps or the connection is unstable:

  • 📶 Switch to range 5 GHz (if the router is dual-band). This may require creating a separate network for 5 GHz in the router settings.
  • 🔌 Disable power saving for Wi-Fi:
    sudo pmset -a tcpkeepalive 0

    (This will disable the adapter's aggressive power management.)

  • 🛡️ Check if the channel is overloaded. Use an app WiFi Explorer (free version available in App Store) for ether analysis.

Problem 3: MacBook doesn't see the network 5 GHz

On MacBook Air M1 sometimes there is a conflict with routers using channel width 160 MHz on frequency 5 GHzThe solution is to set the channel width. 80 MHz or less in the router settings.

What to do if nothing helps?

If after all these steps Wi-Fi still doesn't work, try:

1. Reset NVRAM on MacBook (turn off the laptop, then turn it on while holding down the keys Option + Command + P + R for 20 seconds).

2. Create a new user in macOS and check the connection under his account (sometimes the problem is in the user profile).

3. Update the router firmware via the web interface (the address is usually 192.168.1.1 or 192.168.0.1).

5. Optimize Wi-Fi for maximum performance

If your MacBook Air M1 If your device is struggling to connect to the network, but you want to get the most out of it, follow these tips. They're especially relevant for users who work with large files, stream, or play online games.

1. Selecting the optimal channel

In apartment buildings, Wi-Fi channels are often overloaded. To find a free connection:

  • 📊 Use utilities like WiFi Explorer or NetSpot to scan the air.
  • 🎯 Select a channel with the least load (for example, 149 or 161 For 5 GHz).
  • 🔧 Set your router to a fixed channel (not Auto) in its web interface.

2. Setting up QoS (Quality of Service)

If you have a lot of devices on your network (smartphones, smart speakers, TVs), turn on QoS on the router and set the priority for MacBook:

  • 🖥️ Assign MacBook static IP address in the router settings (by MAC address).
  • 📈 Turn on QoS and set the maximum priority for this IP.

3. Using Mesh Networks for a Large Home

If your MacBook Air M1 often used in different rooms, consider installing Mesh systems (For example, Google Nest WiFi or TP-Link Deco). It provides seamless roaming between access points without connection interruptions.

6. Diagnostics via Terminal: Commands for Advanced Users

If standard methods do not help, you can use Terminal for in-depth diagnostics. These commands will help identify problems at the network adapter or routing level.

1. Checking the status of the Wi-Fi adapter

Run the command:

networksetup -getinfo Wi-Fi

It will show the current IP address, subnet mask, and router. If the IP starts with 169.254 - this means that MacBook did not receive an address from the router (DHCP problem).

2. Scanning available networks

To see all networks in range (including hidden ones):

/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -s

Pay attention to the column RSSI — this is the signal level. The values ​​below -70 dBm are considered weak.

3. Checking routing

If the Internet doesn't work despite Wi-Fi being connected, run:

traceroute 8.8.8.8

This command will show at what point the connection is lost. If packets don't reach the first node, the problem is with the router or ISP.

4. Reset network settings

If nothing helps, reset all network settings to factory defaults:

sudo networksetup -removeallpreferredwirelessnetworks en0

After this, you will have to re-enter passwords for all networks.

⚠️ Attention: Teams in Terminal Require administrator rights. Do not change settings unless you are sure of their purpose, as this may result in connection loss.

7. Alternative ways to connect to the Internet

If Wi-Fi is on MacBook Air M1 If your router stubbornly doesn't work, there are several alternative ways to get online. These can be useful on business trips or if your router is malfunctioning.

1. USB modem (tethering)

You can share the internet with iPhone or Android- smartphone via USB:

  • 📱 Turn on your phone Modem mode (on iPhone: Settings → Tethering).
  • 🔌 Connect MacBook to your phone via USB cable.
  • 🖥️ On MacBook V System Preferences → Network a new connection will appear iPhone USB.

2. Thunderbolt/Ethernet adapter

If you have access to wired internet but no port Ethernet, buy an adapter USB-C to Ethernet (for example, from Anker or Belkin). The connection will be more stable than Wi-Fi, especially for downloading large files.

3. Share your internet connection from another Mac

If there is another one nearby Mac With a working internet connection, you can share the network:

  • 🖥️ On the "donor" Mac go to System Preferences → Sharing.
  • 🔄 Turn on Public Internet and select the source (Wi-Fi or Ethernet).
  • 📡 On MacBook Air M1 connect to the new network that the first one will create Mac.

8. Frequently Asked Questions (FAQ)

Why doesn't my MacBook Air M1 detect the 5 GHz network, even though my router supports it?

This may be due to:

  • Router settings: check if the mode is enabled 802.11a/n/ac/ax for the range 5 GHz.
  • Channel width: try setting 20/40 MHz instead of 80/160 MHz.
  • Regional restrictions: in some countries (for example, in Russia) channels 149–165 may be blocked.

Also make sure that on MacBook Power saving mode for Wi-Fi is not enabled (see section 4).

How do I reset my MacBook Air M1's Wi-Fi settings to factory defaults?

There are two ways:

  1. Through Terminal:
    sudo networksetup -removeallpreferredwirelessnetworks en0

    (you will need to enter the administrator password).

  2. Through System Preferences:
    1. Go to System Preferences → Network.
    2. Select Wi-Fi in the left column and click (minus) to remove the service.
    3. Click + (plus), select Wi-Fi and create the service again.

After resetting, all saved networks and passwords will be deleted.

❓ Can I use the MacBook Air M1 as a Wi-Fi hotspot?

Yes, but with limitations. MacBook Air M1 does not support the mode SoftAP (software access point) as stable as Windows- laptops. However, you can:

  • Distribute the Internet Bluetooth (slow, up to 3 Mbps).
  • Use Ethernet-adapter and turn on Public Internet in the settings (see section 7).
  • Install third-party software like Connectify (but it doesn't always work on macOS).

For stable Wi-Fi distribution, it is better to use a specialized device (router or smartphone).

❓ Why did Wi-Fi stop working after updating macOS?

This is a typical problem after major updates (for example, when switching to Sonoma). Try:

  • Reboot MacBook and a router.
  • Delete network settings (see previous question).
  • Reset SMC And NVRAM:
    1. Turn it off MacBook.
    2. Clamp Control + Option + Shift for 7 seconds, then add the power button and hold for the full 7 seconds.
    3. Release the keys and turn on MacBook.
  • If nothing helps, wait for the next update. macOS (Apple usually fixes such bugs quickly.)
  • ❓ How do I check Wi-Fi speed on my MacBook Air M1?

    There are several ways:

    • 🌐 Online services: Speedtest.net or Fast.com (from Netflix).
    • 📊 Built-in tools: in Terminal execute:
      networkquality

      This command will show your download/upload speed and latency (ping).

    • 📱 Applications: WiFi Explorer or NetSpot show not only the speed, but also the signal level, channel and air traffic congestion.
    • For an accurate test, connect MacBook to the router via cable (via an adapter) and compare the results with Wi-Fi.