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  1. #1
    New ROGer Array
    Join Date
    Jun 2014

    Asus Crosshair V Formula Z -- No post/No Display


    My machine has the following config ::

    Crosshair V formula Z board
    FX8350 cpu
    8x2 DDR3 RAM (
    GTX 670 4GB GPU
    500W PSU

    Everything has been working perfectly fine since past year when I built this machine but recently I have been facing a weird issue. When I power up the system, I see no display on the monitor, like it gets no signal. The board lights up, the fans spin but the HDD led indicator on the front of the tower shown no sign of activity. I have to shut down the computer from the mains and the power it back up and have to do it multiple times and one of these times, the HDD indicator randomly lights up and I see the display on the screen.

    I bought a brand new internal seagate baracuda drive but even with that I got the same problem.

    I have no idea whats going on and how to fix this. Someone please help!

    Troubleshooting steps I have taken till now ::

    Swapped the RAM modules
    Reconnected the cables
    Reset the CMOS (By pressing the button behing the board)

    I tried disconnecting the GPU but I get an error saying please connect the GPU and power cycle.

  2. #2
    AntiMatter Guru ROG Array chrsplmr's Avatar
    Join Date
    Jul 2011

    Welcome to ROG ..

    Last but never least as without it fully functioning (500w is a bit low to start with) .. did you test/swithch the PSU ? .c.

  3. #3
    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
    CaseCorsair 750D and 780T
    Power SupplyCorsair AX-1200i and Antec 850 pro platinum
    Keyboard Logitech K800
    Mouse Razer Mamba
    Headset Corsair Vengeance 2100
    OS W7 Ultimate 64bit and W10 pro 64bit
    Network RouterNetcom Wireless NF18ACV
    MeanMachine's Avatar
    Join Date
    Apr 2014

    Yea with your GPU,CPU and MB combo you should have at least an 850-1000w gold or platinum certified PSU. You are now getting failures from adding extra peripherals. I'm surprised it booted at all with 500w.
    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

  4. #4
    ROG Guru: Grand Master Array HiVizMan's Avatar
    Join Date
    Dec 2011

    I wonder if your PSU is giving up the ghost.
    To help us help you - please provide as much information about your system and the problem as possible.

  5. #5
    New ROGer Array
    Join Date
    Jun 2014

    My PSU is a very very old (almost 7 years) one. Will be replacing it with a 650W one tomorrow. I guess some capacitor or the other is failing inside the PSU. 650W is the highest I am getting in and around the area that I live. Will update this thread when I replace it.

    Thanks for the suggestions

  6. #6
    ROG Guru: Orange Belt Array hax0rmort PC Specs
    hax0rmort PC Specs
    MotherboardAsus Crosshair V Formula-Z
    ProcessorAMD FX-9370
    Memory (part number)AMD Radeon R9 Gamer Series 2400MHz (2x8GB) R9316G2401U2K
    Graphics Card #1Asus AMD R9-290X-4GD5
    Graphics Card #2Asus AMD R9-290X-4GD5
    Sound CardSoundBlaster Z
    Monitor3x Asus 24" 1080p
    Storage #1Samsung 840 EVO 250GB - OS
    Storage #2Samsung 840 EVO 250GB - Game
    CPU CoolerCorsair H100i
    CaseNZXT H440 Red/Black
    Power SupplyCorsair RM1000
    Keyboard Corsair K95 RGB MX-Red
    Mouse SteelSeries Sensei
    Headset Logitech G430
    OS Windows 8.1 Pro x64
    Network RouterAsus RT-AC87U
    hax0rmort's Avatar
    Join Date
    Sep 2011

    I dont know if it's just me, but 650 is cutting it too close. We don't know how many peripherals, HDDs, ODD, USB devices, etc that you have. The recommended information was given to you already. If you chose to use a 650W and have more issues, you've been warned. ESPECIALLY if it is a shoddy 650.

    MOBO - ASUS ROG Crosshair V Formula-Z
    CPU - AMD FX-9370
    RAM - AMD Radeon R9 Gamer Series 16GB (2 x 8GB) 2400 MHz
    SSD1 - Samsung 840 EVO 250GB // Boot
    SSD2 - Samsung 840 EVO 250GB // Game
    GPU1 - ASUS Radeon R9 290X
    GPU2 - ASUS Radeon R9 290X
    COOLER - Corsair H100i AIO Liquid Cooler
    PSU - Corsair RM Series 1000W Gold PSU
    AUDIO - Creative Sound Blaster Z
    CASE - NZXT H440 Red/Black
    KEYBOARD - Corsair K95 RGB
    MOUSE - SteelSeries Sensei
    HEADSET - Logitech G430

  7. #7
    ROG Guru: Grand Master Array HiVizMan's Avatar
    Join Date
    Dec 2011

    OP you might be better served with a slightly higher rated PSU. I strongly suggest that you invest wisely in a quality PSU as not all PSU are made equally.
    To help us help you - please provide as much information about your system and the problem as possible.

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