Introduction
This article provides a solution for users experiencing issues with their Kubuntu 24.04.1 LTS system after installing a new USB WiFi RTL8852BE PCIe 802.11ax Wireless Network Controller. The system fails to boot after a shutdown.
Symptoms
The symptoms of this issue include:
- System fails to boot after a shutdown
- USB WiFi RTL8852BE PCIe adapter is not detected
Cause
The cause of this issue is related to the kernel module not being loaded properly during the boot process. The RTL8852BE driver is not included in the default Kubuntu 24.04.1 LTS kernel.
Solution
Step 1: Update the Kernel
The first step is to update the kernel to a version that includes the RTL8852BE driver. Open a terminal and run the following commands:
sudo apt update
sudo apt install linux-image-generic-hwe-24
This will install the latest HWE (Hardware Enablement) kernel.
Step 2: Blacklist the Old Driver
To prevent the old driver from loading during the boot process, we need to blacklist it. Open the terminal and run the following commands:
sudo nano /etc/modprobe.d/blacklist.conf
# Add the following line at the end of the file
blacklist rtl8852be
Save and exit the file.
Step 3: Reboot the System
Reboot the system to test if the issue has been resolved:
sudo reboot
Conclusion
By following the steps outlined in this article, you should be able to resolve the issue of the USB WiFi RTL8852BE PCIe adapter not being detected after a shutdown in Kubuntu 24.04.1 LTS. This involves updating the kernel and blacklisting the old driver.