How to change the Wi-Fi frequency on a laptop: switching from 2.4 to 5 GHz and back

• Prefer 5GHz band or 5G first — 5 GHz priority.
• Prefer 2.4GHz band or 2.4G only — forced 2.4 GHz.
What should I do if there is no range selection option in the adapter properties?

This means your driver doesn't support manual configuration. Update your driver (see the next section) or use third-party utilities like NetSetMan or WiFi Channel Monitor.

Method 2: Via the Windows Registry (for advanced users)

If the driver does not have a range selection option, you can try changing the priority through the registry. Attention: Incorrect actions may disrupt the system.

Create a system restore point

Close all programs using the network

Run Registry Editor as administrator-->

1. Click Win + R, enter regedit.
2. Follow the path:

   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\<Your_Adapter_Name>\Parameters

   Instead of <Your_adapter_name> it will be something like Tcpip or the name of your Wi-Fi module.

3. Create a new parameter DWORD (32-bit) with a name PreferredBand.
4. Assign value:
   • 1 — 2.4 GHz priority.
   • 3 — 5 GHz priority.
• Restart your laptop.

⚠️ Note: Registry changes do not apply to all adapters. If the network connection disappears after a reboot, delete the newly created registry setting.

Setting Wi-Fi Frequency on macOS

On MacBook On other Apple devices, the process is simpler, but there are some nuances. The system automatically selects the optimal frequency, but you can disable automatic selection.

1. Open System Preferences → Network.
2. Select Wi-Fi → Additional.
3. On the list Preferred networks Find your network and click on the gear (⚙️).
4. In the drop-down menu Wi-Fi standard select:
   • 802.11a/n/ac - only 5 GHz.
   • 802.11b/g/n - only 2.4 GHz.

If the required standard is not in the list, then your MacBook does not support manual configuration. In this case:

• 🔄 Restart your router—sometimes resetting the network cache helps.
• 📡 Rename the networks on your router (for example, MyWiFi_2G And MyWiFi_5G) and connect to the desired one manually.

⚠️ Note: On macOS Ventura and newer, some Wi-Fi settings are hidden. To view them, press and hold Option (⌥) when you click on the Wi-Fi icon in the menu bar.

If your laptop doesn't detect the 5 GHz network: causes and solutions

The most common problem is - hardware incompatibilityOlder laptops (manufactured before 2015) were often equipped with adapters that only supported 2.4 GHzYou can check this like this:

Critical detail: If your laptop was manufactured before 2012, there's a 90% chance it doesn't support 5 GHz hardware. Check the adapter model—if it's, for example, Intel Centrino Wireless-N 1000 or Broadcom 4313, then updating drivers will not help.

Channel Optimization: How to Reduce Interference

Even if you switch to 5GHz, your speed may still be slow due to congested channelsIn apartment buildings, neighbors often use the same settings, which creates interference. Here's how to choose the optimal channel:

Step 1: Scan the airwaves

Use utilities to analyze Wi-Fi networks:

• 🖥️ Windows: NetSpot, WiFi Analyzer (from Microsoft Store), inSSIDer.
• 🍎 macOS: WiFi Explorer, AirPort Utility (built-in).

Run a scan and see which channels are the least crowded. The optimal channels for 2.4 GHz are 1, 6 or 11 (they do not overlap). For 5 GHz, select channels with numbers 36–48 or 149–165 (depending on the region).

Step 2: Configure your router

1. Go to the router's web interface (usually at 192.168.0.1 or 192.168.1.1).
2. Find the section Wi-Fi or Wireless network.
3. For each frequency (2.4 GHz And 5 GHz) manually specify a channel from the free list (see step 1).
4. Save the settings and reboot the router.

Step 3: Adjust the channel width

There is also a parameter in the router settings Channel width (Channel Width). Recommendations:

• For 2.4 GHz: choose 20 MHz (more stable, less interference).
• For 5 GHz: if the devices support it, put it 40 MHz or 80 MHz (more speed, but less range).

⚠️ Note: The router interface and available settings vary by model and firmware. If you can't find the option you need, check the documentation for your model.

Additional tips for stable Wi-Fi

Changing the frequency isn't a cure-all. If the problem persists, try:

• 🔄 Update your Wi-Fi adapter driverDownload the latest version from the laptop or chipset manufacturer's website (e.g. Intel or Qualcomm).
• 📡 Change the network name (SSID) for 2.4 and 5 GHz. For example, MyWiFi_2G And MyWiFi_5GThis will allow you to manually select the frequency when connecting.
• 🔌 Check the power to the USB ports (If you're using an external adapter). Sometimes a power shortage can cause connection interruptions.
• 🛡️ Disable power saving for Wi-Fi:
  1. IN Device Manager Open the adapter properties.
  2. Go to the tab Power management.
  3. Uncheck the box Allow the computer to turn off this device to save power.

If your laptop still doesn't see 5 GHz, even though your adapter supports this range, try resetting your network settings:

netsh winsock reset
netsh int ip reset
ipconfig /flushdns

After executing the commands, restart your laptop.

FAQ: Frequently asked questions about changing Wi-Fi frequencies

Is it possible to use 2.4 and 5 GHz at the same time on one laptop?

No, the laptop only connects to one frequency at a time. However, you can switch quickly between networks if they have different names (for example, MyWiFi_2G And MyWiFi_5G). Some routers support the function Band Steering — automatic switching of devices between frequencies depending on the signal.

Why did my laptop stop seeing 5 GHz after updating Windows?
This is a typical problem after major updates (for example, with Windows 10 on Windows 11). The cause is a driver reset or version conflict. Solution:
1. Roll back the adapter driver via device Manager (RMB → Properties → Driver → Roll Back Driver).
2. If rolling back is not available, download the driver from the laptop manufacturer's website (do not use the version from Windows Update!).
Which band is better for online gaming: 2.4 or 5 GHz?
For games priority - stable ping, not the maximum speed. Recommendations:
• If you are far from the router (for example, in another room) - use 2.4 GHz (less packet loss).
• If it's near the router - 5 GHz (less delays due to interference).
• Check your in-game ping on both frequencies and choose the one with the lower value.
Is it possible to increase the range of the 5GHz signal?

The 5 GHz range is physically limited, but there are some improvements you can make:

• Use directional antennas on the router.
• Place the router higher (for example, on a cabinet) - fewer obstacles for the signal.
• Reduce channel width to 20 MHz (in the router settings).
• Use Mesh system or repeater (repeater) with 5 GHz support.

If the range is critical (for example, in a large house), it is better to leave 2.4 GHz or lay a network cable.

Why is the speed on 5 GHz slower than on 2.4 GHz?
It's paradoxical, but it happens. Possible reasons:
• Your laptop is connected to 5 GHz, but uses an outdated standard (For example, 802.11n instead of 802.11ac). Check the adapter settings.
• The router broadcasts on 5 GHz, but channel width is set to 20 MHz (try it 40 MHz or 80 MHz).
• 5 GHz signal too weak (check the level in NetSpot - if below -70 dBm, the speed will drop).
• Provider limits speed via Wi-Fi (check by connecting your laptop to the router with a cable).