Omarchy Hardware

ASUS Zenbook S 14 UX5406SA with Omarchy

Twenty-six exact-model owners show a mature Linux path for this Lunar Lake ultraportable, but no retained report directly tests Omarchy and recent audio, display-resume and keyboard-light regressions still matter.

Compiled from 26 exact-model owner accounts: 12 on Reddit, one on Oursi, nine on GitHub and four on Linux forums. Also checked against the exact-model Linux project, current Omarchy search, ASUS firmware, upstream audio and measured-review records. Report mix: two Arch Linux · five Arch-based · 19 other Linux Updated

UX5406SA is the 2024 Lunar Lake model. Do not transfer these findings to the newer Panther Lake UX5406AA, the Vivobook S5406SA or an ambiguous listing that says only UX5406S.

Bottom line

There is no retained exact-model Omarchy owner report for the UX5406SA. Current Arch and other Linux evidence nevertheless shows a working install, accelerated desktop, OLED panel, Wi-Fi, Bluetooth, USB camera, touchpad and external-display path. The largest remaining risks are update-sensitive SoundWire audio, inconsistent suspend and panel recovery, a BIOS-dependent keyboard-backlight failure and an ambient-light sensor that needs model-specific firmware. This is credible transferable evidence, not proof that Omarchy 4.0.2 reproduces every result.

Should you use or buy it?

An existing owner has a strong route on a current kernel and firmware stack, but should remove obsolete early-audio overrides before upgrading and test the microphone, headphone jack, keyboard light, overnight suspend and panel recovery. A shopper should verify the full UX5406SA suffix, memory capacity and touch configuration. The 32 GB ceiling is permanent; the SSD is the practical internal upgrade. Until a direct Omarchy owner reports, budget time for Arch-level diagnosis rather than assuming a clean install from the broader Linux record.

ASUS Zenbook S 14 UX5406SA open on a desk
Photo: ASUS
Screen size
14 inchesSource
Dimensions (W × D × H)
12.22 × 8.45 × 0.47–0.51 inchesSource
Weight
2.65 poundsSource
Release
Available Sept. 24, 2024Source
Launch price
$1,399.99–$1,499.99U71TB or PH79T U.S. configurationZenbook S 14 UX5406SA U.S. launch
Current new price
$1,599UX5406SA-S14.U732G1T marketplace listing · observed Sept. 2, 2026Current UX5406SA marketplace listing

Current figures are dated asking prices, not completed sales or appraisals.

Compatibility

  • Working reports
  • Mixed results
  • Evidence, no verdict
Install and boot
Desktop and graphics
Internal display and brightness
Keyboard, hotkeys and backlight
Touchpad and pointing
Fingerprint and biometrics
Wi-Fi and Bluetooth
Speakers, microphone and audio
Camera
Suspend and resume
External displays and docks
Battery, power and thermals

Before you buy

Match the seller's exact model and configuration to the findings above. Check the return period, condition, included charger and delivered price before ordering.

These are the sources behind the dated asking prices, not a live stock check. Searches and catalogs may include other configurations. We have not tested or endorsed individual listings.

These links are untagged; Omarchy Hardware earns no referral commission from them. How we handle commercial links.

Detailed findings

Install and boot

Working reports

Arch, Fedora, Ubuntu, Manjaro, CachyOS and EndeavourOS owners all reached installed desktops. Early live images could lack Wi-Fi, graphics or touchpad support, while a later Arch owner temporarily disabled Secure Boot for installation and re-enabled it after setup.

In practice The hardware has a demonstrated current Linux install path, but none of these installations used Omarchy. A current ISO and network fallback still matter on this rapidly enabled platform.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA Arch graphics and media report, UX5406SA CachyOS and Manjaro owner reports, UX5406SA Arch installation and daily-use report, UX5406SA CachyOS eDP and resume regression, UX5406SA EndeavourOS ambient-light result, Omarchy UX5406SA exact-model search

Desktop and graphics

Mixed results

Current owners report a responsive accelerated desktop after the Lunar Lake C-state fix reached Linux 6.12.5 and 6.13-rc2. Early kernels produced frequent microfreezes, and the exact-model project still warns about Vulkan rendering faults and log noise.

In practice Ordinary desktop acceleration is well supported. Vulkan-heavy applications and games remain a separate test, and the old intel_idle.max_cstate=1 workaround carries a battery cost.

Linux 6.12.5 The Lunar Lake C-state fix removed the recurring early responsiveness failure for later owner reports. Project source

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA Arch graphics and media report, UX5406SA CachyOS and Manjaro owner reports, Current UX5406SA Linux enablement project

Internal display and brightness

Mixed results

Many owners use the 2880-by-1800 OLED at 120 Hz, and one enabled variable refresh. A current CachyOS owner found Linux 7.1.4 could leave the internal eDP panel absent even through the next firmware screen; Linux 6.18 LTS resumed five times but logged link, AUX and brightness errors with delays up to about 17 seconds.

In practice Normal panel operation has broad support, but the recent single-owner regression is severe enough to test repeated reboot and suspend cycles before relying on the machine.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, UX5406SA CachyOS eDP and resume regression, Zenbook S 14 UX5406SA measured review

Keyboard, hotkeys and backlight

Mixed results

Typing and ordinary function keys work. The Copilot key was incomplete in one Manjaro report, and an exact BIOS 308 machine exposed no keyboard-backlight device because firmware omitted the expected presence flag even though direct ACPI control lit the LEDs.

In practice The keyboard is usable, but backlighting can vary by firmware or unit state. The proposed DMI quirk is not a released fix in the retained record.

Sources UX5406SA CachyOS and Manjaro owner reports, UX5406SA keyboard-backlight owner report, UX5406SA keyboard-backlight firmware-flag issue, Zenbook S 14 UX5406SA measured review

Touchpad and pointing

Working reports

Ordinary pointer, tap and click behavior works across many owner reports. Fedora briefly lost the touchpad in 6.12 release-candidate kernels because of a distro kernel configuration and restored it in the next build. Gesture reports still differ, and ASUS edge gestures are not the same as desktop multitouch gestures.

In practice Basic pointing has a strong path. Test GNOME or KDE multitouch on the intended stack, and do not assume the Windows edge controls for volume, brightness and scrubbing exist.

Fedora kernel correction Fedora restored the required DesignWare I2C configuration after an exact-owner test. Project source

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, Fedora UX5406 touchpad kernel correction, UX5406SA ASUS edge-gesture gap

Fingerprint and biometrics

Evidence, no verdict

ASUS specifies an IR-capable camera but no fingerprint reader. One owner found Howdy unreliable; ordinary UVC camera success does not establish IR face authentication.

In practice There is no fingerprint device to enable on retained configurations, and the evidence is too thin to promise Linux face login.

Sources ASUS Zenbook S 14 UX5406 specifications, UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, Zenbook S 14 UX5406SA measured review

Wi-Fi and Bluetooth

Working reports

Wi-Fi and Bluetooth work in later Fedora, Ubuntu, Arch, Manjaro and CachyOS reports. Early images lacked one or both, and one Linux 6.15-rc1 plus linux-firmware 20250408 combination hung while starting iwlwifi until Wi-Fi was blacklisted.

In practice A current kernel and linux-firmware provide the established path. The isolated development-kernel regression shows why firmware and kernel should be changed together, with a rollback available.

Bluetooth firmware Owners report Bluetooth beginning to work after the November 2024 linux-firmware update. Project source

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA Arch graphics and media report, UX5406SA CachyOS and Manjaro owner reports, Current UX5406SA Linux enablement project, UX5406SA iwlwifi regression record

Speakers, microphone and audio

Mixed results

Current packages can drive the speakers, digital microphone and headset, but the path has been unusually update-sensitive. Exact owners traced a dead microphone to kernel topology support, dummy output to a missing UCM model matcher, speaker regressions to stale manual overrides and headphone failures to particular 6.17 builds. Several still describe speaker quality below Windows.

In practice Test speakers, microphone and 3.5 mm output independently after every kernel, SOF, UCM or linux-firmware change. Remove obsolete manual topology and module overrides once upstream support is present.

July 2026 amplifier firmware Cirrus supplied updated firmware for all four exact-model CS35L56 amplifiers, but no retained owner yet confirms that it resolves the quality complaint. Project source

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, UX5406SA microphone and UCM reports, UX5406SA Fedora headphone regression, UX5406SA Ubuntu headphone-volume regression, UX5406SA Arch-based headphone regression, UX5406SA SOF digital-microphone issue, UX5406SA ALSA UCM model matcher, UX5406SA CS35L56 amplifier firmware update

Camera

Working reports

Fedora, Ubuntu and kernel 6.14 owners explicitly report ordinary camera output working through the conventional USB/UVC device. One owner found that an ACPI electronic-shutter command used on an older Zenbook did not work on this model.

In practice This is a lower-risk camera path than Intel MIPI models, but video output does not establish IR login or electronic privacy-shutter control.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA electronic camera-shutter report, ASUS Zenbook S 14 UX5406 specifications

Suspend and resume

Mixed results

One Ubuntu owner measured roughly 2%–3% overnight loss, but twice found the laptop powered off after suspend until disabling ASUS Optimizations in firmware. Another could not resume from forced deep sleep, an early Fedora owner saw 10–15 seconds of post-wake sluggishness, and the recent CachyOS report found unreliable eDP recovery.

In practice Low sleep drain is possible, but battery remaining and full device recovery are separate checks. Use s2idle, then test repeated overnight closes, not only a short lid cycle.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, UX5406SA CachyOS eDP and resume regression

External displays and docks

Working reports

One Fedora owner drove two 2560-by-1440 displays at 240 Hz through a Thunderbolt dock while retaining the internal panel. Ubuntu owners also report mixed-resolution external displays working. A DisplayLink D6000 failure under Wayland is not evidence against the laptop's native Thunderbolt or HDMI paths.

In practice Native external-display support has useful positive evidence, but only a few dock and monitor combinations. Separate native DisplayPort or HDMI from DisplayLink before diagnosing a failure.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, ASUS Zenbook S 14 UX5406 specifications

Battery, power and thermals

Mixed results

Owners report roughly 3.6 watts in light use, around 8 watts for streamed video and about 10 hours of real Linux use; the measured Windows review reached 14.5 hours at 60 Hz and 12 hours 9 minutes at 120 Hz. One openSUSE owner still reports intermittent 400 MHz throttling, and the old C-state workaround sharply increases idle and sleep drain.

In practice The platform has strong battery potential, but power profile, panel refresh, kernel and workarounds materially change it. Windows measurements show hardware capacity, not expected Omarchy runtime.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, UX5406SA Arch installation and daily-use report, UX5406SA component issue reports, Current UX5406SA Linux enablement project, Zenbook S 14 UX5406SA measured review

Daily use

The screen is a strength with two Linux caveats

Fast OLED; PWM and recent resume risk

The exact review unit's 2880-by-1800 OLED runs at 120 Hz with very fast response and broad color coverage, but uses 480 Hz PWM at every brightness level. Linux owners broadly report 120 Hz working; the July 2026 eDP recovery failure remains a serious single-owner warning.

Sources Zenbook S 14 UX5406SA measured review, UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS eDP and resume regression

Some ASUS conveniences do not arrive with core support

Ordinary use first; OEM extras vary

The camera and touchpad can work while IR login, electronic shutter control, Windows-style touchpad edge gestures and automatic ambient light remain absent or need extra setup. The model-specific ISH firmware has one verified sensor success, but is not an out-of-box result.

Sources UX5406SA electronic camera-shutter report, UX5406SA ASUS edge-gesture gap, UX5406SA EndeavourOS ambient-light result, UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports

Performance

Writing, browsing and mobile development

Strong fit when the current stack is stable

Owners report responsive Fedora, Ubuntu and Arch-based desktops, quiet light use and about 10 hours in realistic Linux use. The measured review found strong single-core performance but a roughly 30% multicore drop during sustained load as package power settled from 37 to 17 watts.

Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, UX5406SA CachyOS and Manjaro owner reports, UX5406SA Arch installation and daily-use report, Zenbook S 14 UX5406SA measured review

Long compiles and CPU-heavy local work

Efficient, not a multicore workstation

The eight-core, eight-thread Lunar Lake design favors efficiency and single-thread response over the multicore throughput of H-series or many AMD peers. Check for the reported 400 MHz state before blaming a workload, and expect sustained performance below the initial boost.

Sources UX5406SA component issue reports, Zenbook S 14 UX5406SA measured review

Integrated-graphics games and creative apps

Capable hardware with Linux application caveats

The measured Arc 140V unit scored 3,669 in Time Spy standard mode and ran Cyberpunk 2077 around 40 fps at 1080p medium. Those are Windows capacity results. Exact Linux owners report both successful games and title-specific frame drops, while the model project warns of Vulkan faults.

Sources Zenbook S 14 UX5406SA measured review, UX5406SA CachyOS and Manjaro owner reports, Current UX5406SA Linux enablement project

Changes over time

  1. Problem reportedDesktop, Wireless, Audioother Linux

    First retained Fedora owner begins a running exact-model report

    Graphics, Wi-Fi, camera, keyboard, touchpad and speakers moved toward working as kernels advanced; Bluetooth followed, while the microphone remained absent.

    Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports

  2. Regression reportedPointingother Linux + Project documentation

    Fedora release-candidate kernel loses the touchpad

    An exact owner isolated the distro configuration difference and Fedora restored the required I2C option in its next candidate build.

    Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports, Fedora UX5406 touchpad kernel correction

  3. Working reportWirelessother Linux

    Bluetooth begins working after firmware updates

    The running Fedora report and exact-model project identify the November linux-firmware generation as the enablement point.

    Sources UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports

  4. Problem reportedAudioother Linux

    Exact Fedora owner files the dead digital-microphone bug

    Recording produced only an initial pulse and silence on Linux 6.12.6 with the identified Lunar Lake topology.

    Sources UX5406SA microphone and UCM reports

  5. Regression reportedWirelessother Linux

    Firmware update makes Linux 6.15-rc1 hang in iwlwifi

    Blacklisting Wi-Fi allowed the exact machine to boot; the report remained limited to a development-kernel and firmware pairing.

    Sources UX5406SA component issue reports

  6. Problem reportedPower and thermalsother Linux

    Intermittent 400 MHz throttling remains on one openSUSE machine

    The exact owner reports a current-kernel power state that is separate from the earlier Lunar Lake microfreeze fix.

    Sources UX5406SA component issue reports

  7. Workaround confirmedAudioother Linux

    Exact Ubuntu test isolates the missing UCM model matcher

    Adding the card matcher loaded the existing SoundWire routes and produced working speakers and microphone.

    Sources UX5406SA microphone and UCM reports

  8. Regression reportedAudioArch-based + other Linux

    Headphone output breaks on later 6.17 kernels

    Fedora and Arch-based owners independently report detected jacks without audio; the Fedora owner later confirms recovery on 6.17.12.

    Sources UX5406SA Arch-based headphone regression, UX5406SA Fedora headphone regression

  9. Problem reportedKeyboardother Linux + Project documentation

    BIOS 308 machine loses the keyboard-backlight interface

    Direct ACPI control proved the LEDs worked, while the firmware presence flag prevented the normal Linux device from appearing.

    Sources UX5406SA keyboard-backlight owner report, UX5406SA keyboard-backlight firmware-flag issue

  10. Workaround confirmedPower and thermalsArch-based

    Model-specific ISH firmware enables the ambient-light sensor

    An EndeavourOS owner cleared the loader error and verified the sensor with monitor-sensor; this remains an added-firmware path.

    Sources UX5406SA EndeavourOS ambient-light result

  11. Project changeAudioProject code

    Cirrus submits updated firmware for all four amplifiers

    The exact-model linux-firmware change updates every CS35L56 amplifier image; owner confirmation of the sound-quality effect remains missing.

    Sources UX5406SA CS35L56 amplifier firmware update

  12. Regression reportedDisplay, SuspendArch-based

    CachyOS owner reports severe eDP recovery failures

    Linux 7.1.4 repeatedly left the internal panel absent, while 6.18 LTS recovered with errors and delays in a five-cycle test.

    Sources UX5406SA CachyOS eDP and resume regression

Sources

Omarchy reports are direct results. Arch, Arch-based and other Linux reports are labeled separately and used only as evidence of hardware or driver behavior that may carry over. Shared-identifier and related-model reports are context and do not enter the exact-model count.

  • UX5406SA Fedora, Ubuntu, Mint and Gentoo owner reports

    Field report on Reddit · other Linux · Sept. 26, 2024

    Eight attributable exact-model owners cover the changing install, graphics, display, input, audio, camera, wireless, dock, suspend and power path. Prospective and related-model replies are excluded.

    Open source
  • UX5406SA Arch graphics and media report

    Field report on Reddit · Arch Linux · Oct. 25, 2024

    Exact-model Arch owner reports working graphics, speakers, Wi-Fi and VA-API on a 6.12 release candidate, with Bluetooth still missing at that date.

    Open source
  • UX5406SA CachyOS and Manjaro owner reports

    Field report on Reddit · Arch-based · Jan. 4, 2025

    Two exact-model owners document kernel transitions, C-state costs, power profiles, brightness, audio, games, deep sleep and an eventual positive Arch-based desktop path.

    Open source
  • UX5406SA electronic camera-shutter report

    Field report on Reddit · other Linux · March 1, 2025

    Exact-model owner finds that an ACPI shutter command for an older Zenbook does not control this unit; ordinary UVC camera output is a separate result.

    Open source
  • UX5406SA Arch installation and daily-use report

    Field report on Oursi · Arch Linux · April 20, 2025

    Exact-model Arch owner documents SSD replacement, dual boot, encrypted installation, Secure Boot, audio setup and roughly 10 hours with TLP.

    Open source
  • UX5406SA microphone and UCM reports

    Field report on GitHub · other Linux · Dec. 26, 2024

    Three exact-model owners across the SOF and ALSA trackers document the dead digital microphone, openSUSE reproduction and later working Ubuntu UCM matcher. Sjaak312 is the same account as sjolo312 and is counted once.

    Open source
  • UX5406SA component issue reports

    Field report on GitHub · other Linux · April 14, 2025

    Four exact-model owners report the iwlwifi boot regression, missing OEM touchpad gestures, intermittent 400 MHz throttling and sensor-firmware gap.

    Open source
  • UX5406SA Arch-based headphone regression

    Field report on GitHub · Arch-based · Nov. 28, 2025

    Exact-model Arch and CachyOS owner reports jack detection without output across Linux 6.17.9 and 6.18-rc7.

    Open source
  • UX5406SA keyboard-backlight owner report

    Field report on GitHub · other Linux · Feb. 24, 2026

    Exact BIOS 308 owner demonstrates that direct ACPI control lights the keyboard while the firmware presence flag prevents the normal Linux backlight device from appearing.

    Open source
  • UX5406SA Fedora headphone regression

    Field report on Linux forums · other Linux · Dec. 8, 2025

    Exact-model owner compares working 6.17.1, failing 6.17.10 and restored 6.17.12 kernels with ALSA diagnostics.

    Open source
  • UX5406SA Ubuntu headphone-volume regression

    Field report on Linux forums · other Linux · Feb. 2, 2026

    Exact-model owner reports a large headphone-volume drop from Ubuntu kernel 6.17.0-12 to 6.17.0-14; the record later marks the fix released.

    Open source
  • UX5406SA CachyOS eDP and resume regression

    Field report on Linux forums · Arch-based · July 23, 2026

    Exact-model owner repeatedly tests reboot and suspend across 7.1 and 6.18 LTS kernels, with display-link logs and five LTS resume cycles.

    Open source
  • UX5406SA EndeavourOS ambient-light result

    Field report on Linux forums · Arch-based · June 7, 2026

    Exact-model owner installs the model-specific ISH firmware, clears the loader failure and verifies the ambient-light sensor with monitor-sensor.

    Open source
  • Current UX5406SA Linux enablement project

    Hardware support project on GitHub

    Exact-machine maintainer synthesis of component IDs, minimum kernel and firmware versions, obsolete workarounds and open limitations; not an independent owner count.

    Open source
  • UX5406SA SOF digital-microphone issue

    Project documentation on GitHub · Dec. 26, 2024

    Upstream reproduction and resolution context for the exact Lunar Lake SoundWire microphone path; the owner result is counted separately.

    Open source
  • UX5406SA ALSA UCM model matcher

    Project documentation on GitHub · Sept. 26, 2025

    Exact CardLongName trace and project correction for loading the existing SoundWire route; distribution packages determine delivery.

    Open source
  • UX5406SA iwlwifi regression record

    Project documentation on GitHub · April 14, 2025

    Narrow development-kernel and firmware pairing; useful rollback evidence, not a current blanket Wi-Fi failure.

    Open source
  • Fedora UX5406 touchpad kernel correction

    Project documentation on Red Hat · Sept. 25, 2024

    Distro kernel-configuration record with working and failing logs; the failure was not an unsupported touchpad device.

    Open source
  • UX5406SA ASUS edge-gesture gap

    Project documentation on GitHub · April 16, 2025

    Separates ASUS OEM edge gestures from basic pointing and desktop multitouch gestures.

    Open source
  • UX5406SA keyboard-backlight firmware-flag issue

    Project documentation on Linux kernel · Feb. 24, 2026

    Exact BIOS 308 diagnostic and proposed model quirk; current bug page is bot-gated, so state remains open until independently verified.

    Open source
  • UX5406SA CS35L56 amplifier firmware update

    Project code on Linux firmware · July 3, 2026

    Vendor-authored exact-model update for four amplifier firmware files; code delivery is not owner confirmation of sound quality.

    Open source
  • ASUS Zenbook S 14 UX5406 specifications

    Manufacturer specification on ASUS

    Official current family matrix; only the UX5406SA Lunar Lake column informs this page, while regional configurations can differ.

    Open source
  • ASUS UX5406SA BIOS releases

    Manufacturer specification on ASUS · March 4, 2026

    Official firmware channel for exact-model BIOS changes; a release note alone cannot change a compatibility state without owner evidence.

    Open source
  • Zenbook S 14 UX5406SA measured review

    Original measured review on Notebookcheck · Sept. 24, 2024

    Exact Core Ultra 7 258V Windows unit measured for performance, games, display, battery, power, noise, heat, weight and serviceability; not Omarchy runtime.

    Open source
  • Omarchy UX5406SA exact-model search

    Project documentation on GitHub · Sept. 2, 2026

    Open and closed issue search returned no exact UX5406SA report. UX5406AA results concern a different Panther Lake model.

    Open source
  • Zenbook S 14 UX5406SA U.S. launch

    Manufacturer specification on ASUS · Sept. 24, 2024

    Official U.S. availability date and exact launch prices. Product image is an ASUS press asset for UX5406SA.

    Open source
  • Current UX5406SA marketplace listing

    Dated market snapshot on Newegg · Sept. 2, 2026

    Exact new U732G1T marketplace ask. A conflicting Best Buy promotion was not used.

    Open source

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