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# ASUS Zenbook UM3402YA

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This article or section does not follow the Laptop page guidelines.

Reason: Needs a hardware table, an Accessibility, Firmware and Function keys section. (Discuss in Talk:ASUS Zenbook UM3402YA)

## Audio

Note: Previously missing audio problem has been fixed officially upstream as of Linux 6.8. The unofficial SSDT patch may still be used in cases where the latest kernel is not available.

In the default kernel configuration, there is currently no sound output with the internal speakers, due to the Cirrus CS35L41 HD amplifier which cannot be set up properly on boot [1]. The ASUS Zenbook UM3402YA series seems to not be the only device where this problem occurs. This was first caused by a firmware bug, but according to a Cirrus developer, the no-sound-issue seems to be fixed in a BIOS update due to the missing of certain ACPI entries [2].

There are some unofficial patches available, but these patches got rejected by a kernel developer due to the possibility of harming your device. An updated patches is available for the 6.2 kernel. Also this ssdt patch can be applied by grub (also needs at least 6.2 kernel) posibility of harming your device.

Some further, related threads: [3], [4], [5], [6], [7], [8]

## Bluetooth

If you have kept Windows in dual-boot and cannot get Bluetooth working: power-off your laptop, then hold power button for 60 seconds. That will reset UEFI settings, so disable Secure Boot again if needed. After that Bluetooth will be detected and work properly.

## Fingerprint

See fprint, in particular fprint#Enrolling works but verifying does not for tips on how to use the sensor.

Note: You should move same finger several times through power button with speed of 1-2 seconds instead of holding or tapping on button.

## Fan control

See ASUS Zenbook UM3402YAR#Fan control.

## See also

- Laptop
- Laptop/ASUS

Category:

- ASUS

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- Pages or sections flagged with Template:Laptop style