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  1. #1
    ROG Member Array
    Join Date
    Mar 2016

    Black screen....

    Hello, My PC is made asus crosshair v z, F-9590 Amd 4.Mhz, 2 Ati Radeon graphics cards R9 280x 3Gb, 16 Gb Ram 2400MHz GKill. I have Windows 10.

    When I start the PC I is black screen and does not enter Windows, and plate indicates a Q-code 40 error, and only a graphics card is turned on.

    When I restart the PC, Q-code AA and the two graphics cards are switched on and goes into windows normally.

    Can anybody help me?

  2. #2
    ROG Guru: Brown Belt Array MeanMachine PC Specs
    MeanMachine PC Specs
    Laptop (Model)I enjoy my wife
    MotherboardCVI HERO + CVII Hero Wifi
    ProcessorRyzen 7 1800X + 2700X
    Memory (part number)CMD16GX4M2B3000C15 + F4-3200C14D-16GTZR
    Graphics Card #1EVGA GTX980 SC for CVFZ
    Graphics Card #2EVGA GTX 1080 hybrid
    Graphics Card #3GTX 770 for phys x
    Sound CardMB
    MonitorHP w2408h
    Storage #1Samsung 970 EVO 500GB M.2
    Storage #2Samsung 840EVO 500GB and 960 M.2 pro
    CPU CoolerCorsair H105, H110 and H115i
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    MeanMachine's Avatar
    Join Date
    Apr 2014

    Hi Paco2005

    Qcode 40 is not an error, It indicates your system has awakened from S4 sleep state. (Set in your Windows power plan)
    When you reboot your system you get AA which is normal transition to ACPI mode and the system then enters Windows. Nothing wrong there.
    Does the black screen appear after a reboot or waking from sleep state?

    If this is occurring from sleep state, Update your graphics driver or try changing your power plan.
    If you have updated then rollback the driver or try a system restore.

    There is another scenario regarding Windows 8. Go here:
    If problem persists, list your full system specs in your profile for further analysis.
    Last edited by MeanMachine; 04-15-2016 at 02:32 AM.
    We owe our existence to the scum of the earth, Cyanobacteria

    My System Specs:

    MB:ASUS ROG Crosshair VII Hero/WiFi GPU:EVGA GTX 1080 sc PSU:Corsair AX-1200i
    AMD R7 2700X Cooler: Corsair Hydro H115i Case: Corsair Carbide 780t

    Memory:G.Skill TridentZ F4-3200C14D-16GTZR SSD:Samsung 500GB 960 EVO M.2

  3. #3
    ROG Member Array
    Join Date
    Mar 2016

    The black screen appear after waking from sleep state.

    What do you think about

    I going to format my PC and I will say you something more late if my PC is good.

    Last edited by Paco2005; 04-16-2016 at 09:56 AM.

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