ASUS Zenbook UM425

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Reason: Hardware table needs some adjustments, page is missing a proper function keys table (Discuss in Talk:ASUS Zenbook UM425)
Hardware PCI/USB ID Working?
GPU Yes
Wireless Yes
Audio Yes
Touchpad Partial
Keyboard Partial
Camera Yes
Card Reader Yes
Bluetooth Yes

Configuration

Secure Boot (option)

In order to boot any Linux operating system, navigate to BIOS (hold F2 during power-on), then hit F7 or click on Advanced Menu, then the Security tab and set Secure Boot to Off.

If the aforementioned Secure Boot option is a menu rather than an on-or-off option, click on Secure Boot, Key Management, then Reset to Setup Mode and confirm in the dialog.

Video

See AMD and Hardware video acceleration.

Audio

See PulseAudio.

Touchpad

See Libinput.

The NumPad is working with asus-touchpad-numpad-driver implementation from GitHub. Be sure to install python-libevdev and i2c-tools before starting systemd's service, otherwise this script will not work.

Keyboard

Some people encounter issues on cold boot where the keyboard is unresponsive.

Adding i8042.probe_defer to the kernel parameters seems to resolve the problem, this can be done by either rebooting, using a USB keyboard, or using chroot.

See https://lore.kernel.org/lkml/20211112180022.10850-1-tiwai@suse.de/T/ (this commit only seems to mention the UA version but this was tested on UX425QA).

Battery charge threshold

Battery charge threshold is working. Laptop's battery stops charging at certain percentage when value in /sys/class/power_supply/BATT/charge_control_end_threshold is set to either 60, 80, or 100. But upower may report the wrong charging status and percentage when the battery threshold is set below 100; You may see the status listed as "Charging" even when the battery is fully charged to the limit, and the percentage may be one point short of the limit. For example when charging to 80, the battery's charge may say 79. See https://gitlab.freedesktop.org/upower/upower/-/issues/142

In order to automatically change the value at boot, user can create the systemd service: refer to Laptop/ASUS#Battery charge threshold

Tips and tricks

See ASUS Zenbook UX430/UX530#Tips and tricks (with the exception of battery life, which is 20 hours for this model).