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  1. #1
    ROG Member Array etacarinae PC Specs
    etacarinae PC Specs
    Laptop (Model)Razer Blade 15 Advanced / RZ09-02386E91
    MotherboardAsus ROG RVIEE / Bios 0070
    ProcessorIntel I9 10980xe
    Memory (part number)128GB G-Skill Trident Z RGB 3000MHz C14 / F4-3000C14Q2-128GTZR
    Graphics Card #1Evga RTX 3090 FTW3 Ultra
    Monitor3*Asus PG279Q
    Storage #1Intel Optane 905p 1.5TB HH
    CasePhanteks Enthoo Elite
    Power SupplyCorsair AX1600i
    Mouse Razer Mamba Elite
    Headset/Speakers KEF LS50
    OS Windows 10 Pro 64bit
    Network RouterASUS GT-AX11000
    etacarinae's Avatar
    Join Date
    Jan 2013

    Peculiar problem with PG279Q using both HMDI & DP inputs


    So I have 3 PG279Q displays (quite old now, I know, not a fan of the ROG logos and bezel bulge on the newer monitors) and the third I have both the HDMI and DP inputs active, each from two different computers. Three DP connect the PG279Q to my main rig and one HDMI on the third PG279Q inputs my other rig. Any time I switch to HDMI on the third PG279Q and leave it for longer than 30 minutes, the display disconnects the DP input and only gives the main rig 2 DP displays. I've turned off DP & HDMI Deep Sleep on all 3 monitors. I've configured all monitors to never turn off in power settings. I've configured the computer to never sleep.

    This leads me to believe it's the firmware in the monitor itself that is switching off DP.

    Any help or advice would be greatly appreciated!

    Intel Core i9 10980XE | ASUS RAMPAGE VI EXTREME ENCORE | EVGA RTX 3090 FTW3 Ultra | 128GB G-Skill Trident Z RGB 3000MHz C14
    Intel Optane 905P 1.5TB HH PCIe | 2*4TB Samsung EVO 860 | 8TB Sabrent Rocket Q NVMe | 4*14TB Seagate Ironwolf Pro
    Corsair AX1600i | EK-AIO 360 D-RGB | Phanteks Enthoo Elite Satin Black | Windows 10 Pro 64-bit | 3*ASUS PG279Q
    Razer Mamba Elite | Razer Huntsman Elite / RAMA u80-A Lake

  2. #2
    TeamROG Moderator Array xeromist PC Specs
    xeromist PC Specs
    Laptop (Model)Intel NUC laptop LAPQC71D
    MotherboardROG Crosshair VIII Dark Hero
    ProcessorAMD 5800X
    Memory (part number)32GB G.Skill Ripjaws V 3600
    Graphics Card #1ROG Strix RTX3090Ti
    Sound CardSound Blaster Z
    MonitorAORUS FV43U
    Storage #1Samsung 970 Pro 512GB
    CPU CoolerCustom loop
    CaseBeQuiet Dark Base Pro 900 V2
    Power SupplyCorsair HX1000
    Keyboard ROG Strix Flare II Animate
    Mouse ROG Chakram X
    Headset Steelseries Arctis Pro Wireless
    Mouse Pad ROG Scabbard
    Headset/Speakers Logitech z906 5.1
    Network RouterpfSense/OPNsense
    xeromist's Avatar
    Join Date
    Jul 2010

    You might check if switching the monitors connections makes a difference. Is it the one connected as the 3rd or is it this specific monitor?
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