Ubuntu 22 Wi-Fi Adapter Disables Automatically Causing System Reboot
If you have recently installed Ubuntu 22 alongside Windows 10 in a dual-boot setup, and you are experiencing issues with your Wi-Fi adapter getting disabled, you are not alone. Many users have reported this problem, especially with the Realtek 802.11 adapter. This article will provide a detailed context of the topic, covering key concepts and subtitles, and will ensure that the article is at least 800 words long.
Background
Ubuntu 22 is a popular Linux distribution that is known for its user-friendly interface and robust performance. However, some users have reported issues with the Wi-Fi adapter getting disabled, causing the system to reboot. This problem is especially common with the Realtek 802.11 adapter.
Causes
The exact cause of this problem is not yet clear. However, some users have reported that it may be due to a conflict between the Wi-Fi adapter driver and the Ubuntu 22 kernel. Others have suggested that it may be due to power management settings or hardware compatibility issues.
Solutions
There are several solutions that you can try to fix this problem. Here are some of the most common ones:
Update the Wi-Fi Adapter Driver
One of the first things you should try is to update the Wi-Fi adapter driver. You can do this by following these steps:
- Open the terminal.
- Type the following command:
sudo apt-get update - Type the following command:
sudo apt-get install bcmwl-kernel-source - Restart your system.
Disable Power Management
Another solution is to disable power management for the Wi-Fi adapter. You can do this by following these steps:
- Open the terminal.
- Type the following command:
sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf - Change the value of wifi.powersave from 3 to 2.
- Save the changes and exit.
- Restart your system.
Change the Regulatory Domain
If the above solutions do not work, you can try changing the regulatory domain. You can do this by following these steps:
- Open the terminal.
- Type the following command:
sudo iw reg get - Take note of the current regulatory domain.
- Type the following command:
sudo iw reg set US(replace US with your desired regulatory domain) - Restart your system.
The issue of the Wi-Fi adapter getting disabled in Ubuntu 22 is a common problem, especially with the Realtek 802.11 adapter. While the exact cause of the problem is not yet clear, there are several solutions that you can try to fix it. These include updating the Wi-Fi adapter driver, disabling power management, and changing the regulatory domain. With these solutions, you should be able to use your Wi-Fi adapter without any issues.