HP ProBook 640 G2 Touchpad and Keyboard Unresponsive in Ubuntu 22.04 LTS
Are you experiencing issues with the touchpad and keyboard on your HP ProBook 640 G2 running Ubuntu 22.04 LTS? You're not alone. This article will provide a detailed overview of the problem, its causes, and solutions to help you get your laptop back to working order.
1. Problem Overview
Users have reported that their HP ProBook 640 G2's touchpad and keyboard become unresponsive after upgrading to Ubuntu 22.04 LTS. This issue is also observed on some models with the trackball button, which also becomes unresponsive.
2. Causes
The root cause of this issue is still under investigation. However, it seems to be related to the kernel version and device drivers. It's worth noting that this issue may not affect all HP ProBook 640 G2 laptops running Ubuntu 22.04 LTS.
3. Solutions
To resolve this issue, try the following solutions:
3.1. Update Kernel
Updating the kernel to a newer version may help resolve the issue. Here's how to update the kernel:
- Press Ctrl + Alt + T to open the terminal.
- Type the following commands:
sudo add-apt-repository ppa:cappelikan/ppa
sudo apt update
sudo apt install linux-generic-hwe-20.04
After updating the kernel, restart your laptop and check if the touchpad and keyboard are responsive.
3.2. Manually Install Device Drivers
If updating the kernel doesn't work, try manually installing the device drivers:
- Press Ctrl + Alt + T to open the terminal.
- Type the following commands:
sudo apt install xserver-xorg-input-synaptics
sudo apt install xserver-xorg-input-evdev
After installing the device drivers, restart your laptop and check if the touchpad and keyboard are responsive.
4. References
5. Summary
The HP ProBook 640 G2 touchpad and keyboard unresponsiveness issue in Ubuntu 22.04 LTS is caused by a kernel version or device driver problem. Updating the kernel or manually installing device drivers should resolve the issue. This article provided detailed steps and references to help you troubleshoot and fix the problem.