PG27UCDM
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE

    Firmware
    ASUS_PG27UCDM_MCM108
    Version MCM108
    25.32 MB
    2026/01/14
    SHA-256 :63169ADFBD3D82D1B5ADCF1CBE26352729D16DFD2346497EFC0222F66219D83C

    Bug fixed and performance improvement:
    1.OLED Anti-flicker Memory Optimization Fixed an issue where the Anti-flicker setting would reset during input switching. The system now correctly remembers and restores the Anti-flicker status when switching between HDMI and DP sources, eliminating the need for manual reactivation.
    2.Dolby Vision Signal Wake-up Fix Resolved an issue where the display would fail to light up or wake properly when switching to a Dolby Vision source while in Power Saving Mode.
    3.HDR and Power Saving Mode Parameter Correction Fixed a bug where color parameters were applied incorrectly when switching the HDR Format to Dolby Vision while simultaneously toggling the Power Setting to Power Saving Mode.
    4.Dolby Vision Feature Menu Restriction Adjusted settings to disable the Adjustable HDR function when Dolby Vision is active, ensuring color performance remains compliant with Dolby Vision standards.
    5.Enhanced Pixel Cleaning Mechanism Implemented an enhanced Pixel Cleaning mechanism and updated notification system to further improve OLED panel longevity and maintenance.
    6.USB Firmware Update Stability Improvement Fixed a critical issue where the firmware update process via USB drive could be interrupted by the triggered display of the Dolby Vision logo.

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    ASUS_PG27UCDM_MCM107
    Version MCM107
    25.29 MB
    2025/12/09
    SHA-256 :7EA54CD9D08C30449CCE27BA066B93AD054DD4CDADF2835F8BA9D082D1A14811

    Bug fixed:
    1, When using Tailored Mode, the device can measure distances up to 120cm, and the display will also show a maximum distance of 120cm.
    2, A new pixel cleaning mechanism has been added, which is designed to run automatically after 3 minutes of standby in Power Saving Mode and after DC off.

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    ASUS_PG27UCDM_MCM105
    Version MCM105
    0 KB
    2025/08/29
    SHA-256 :D85C8DDC4125DA6D26AFC657CF663C0C73C2C328D983A46182A9C1D64C2A88CE

    Bugs fixed:
    1. Fixed an issue where the cursor could not be moved after saving Customized Settings.
    2. Fixed an issue where the input menu would display abnormally when any source was connected while the Tailored Mode countdown was in progress.
    3. Fixed an issue where the screen would flicker when switching PIP position or size after PIP was enabled.
    4. Fixed an issue where DSC could not be disabled under UHBR20.

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    ASUS_PG27UCDM_MCM104
    Version MCM104
    25.33 MB
    2025/07/08
    SHA-256 :CEAFF0E55A16AE529AEFA69FD1FCF4AC1BC916718AAECDBBB6573CD1A470D546

    Bug Fixed:
    1. Fixed the issue PIP/PbP/Sniper function is now selectable after switching from Dolby Vision HDR to a non-HDR source.
    2. Fixed an issue where the Aura RGB/LIGHT IN MOTION lighting effect would automatically turn on during HDR and Power Setting switching, ensuring the lighting effect operates according to the settings.
    3. Fixed an issue where the Power Indicator would briefly light up during the reboot process after turning off the Power Indicator.
    4. Fixed an issue where Power Setting did not correctly switch back to Power Saving Mode after performing All Reset with Aspect Control and HDR enabled in SDR mode.
    5. Fixed an issue where the warning message could be completely displayed without being covered when performing Aspect Control with Anti-Flicker enabled.
    6. Fixed an issue where Screen Move can be enabled and executed when the PIP/PbP function is enabled.
    7. Fixed an issue where the Hub was not working in standby mode.
    8. Fixed the issue of insufficient digits and errors in the OSD OLED TimeTrack.
    9. Implemented multi-language support for the Pixel Cleaning Reminder Message box.

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    ASUS_PG27UCDM_MCM103
    Version MCM103
    25.31 MB
    2025/05/12
    SHA-256 :5626358D9A725917609F78B13714823EF4A67F4880A5FD8FBFB1C75B4F0B4586

    bugs fixed:
    1.Fixed Anti-Flicker warning display time: Corrected the warning pop-up when using timing that violates usage restrictions.
    2.Fixed an issue where the device would automatically power on after Pixel Cleaning when DC Off was enabled.
    3.Fixed an issue where the brightness would decrease after performing an OSD Reset with HDR enabled on AMD graphics cards.

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    ASUS_PG27UCDM_MCM102
    Version MCM102
    25.31 MB
    2025/04/01
    SHA-256 :73CD9D6F34C0ACADB0DB8B7C902ED1412C02FD63695CC6D01FF6E734A20A361B

    Neo Proximity Sensor:
    • Improved sensitivity and extended the movement detection time. By lengthening this detection window, the sensor can more accurately detect user presence and avoid unintended screen blackouts.
    • Fixed an issue causing the Neo proximity sensor to remain off after pixel cleaning, ensuring the monitor correctly enters standby mode.
    Aspect Control:
    • Resolved horizontal stripes appearing in HDR mode when Aspect Ratio is enabled on the 24.5" display.
    • Fixed resolution restoration issue when disabling Aspect Ratio.
    • Corrected supported resolution timing for pixel-to-pixel from 3552x1976 to 3552x1998 on the 24.5" display.
    Aura Lighting & Stand Projection Lighting:
    • Fixed stand lighting behavior during standby mode.
    • Corrected abnormal AURA RGB lighting behavior after an "All Reset" followed by entry into Performance mode.
    • Addressed abnormal bottom stand lighting issue after standby shutdown.
    DisplayWidget Center:
    • Corrected DisplayWidget Center (DWC) control behaviors and VCP codes, ensuring stable and normal operation.
    New Feature:
    ASUS PowerSync Function:
    • Introducing ASUS PowerSync—seamlessly turn your monitor and connected devices on or off simultaneously, so turning off just one device also turns off the other.
    • Supported Devices: ASUS NUCs, Xbox, PlayStation, Apple TV.

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    • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
    • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
    • PCB color and bundled software versions are subject to change without notice.
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