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ASRock A520M Gaming - not booting to bios

Discussion in 'New Build and/or New Hardware' started by pads, Dec 13, 2024.

  1. pads

    pads

    Joined:
    Dec 13, 2024
    Messages:
    4
    Operating System:
    Windows 10
    I have built a new PC on the A520M Phantom Gaming 4 motherboard, and it won't boot into bios - absolutely no dsiplay at all.
    Not yet loaded windows as cannot get that far.
    I switch on, press power button and lights come on, fans run but that is all.
    I have no additional boards installed, and even removed the USB connections.
    I have tried both HDMI and DP video out.
    Items installed are -
    • A520M Phantom Gaming 4 motherboard
    • 500W GameMax RPG Rampage 80 Plus Bronze PSU
    • Kingston FURY Beast 32GB (2x16GB) 3200MT/s DDR4 Memory Kit (with both and one stick (slot A2 & B2 - or only B2 or B1)
    • AMD Ryzen 5 5500 6 Core/12 Thread AM4 CPU
    I have tried removing the CMOS battery and replacing. I've checked all voltages from power unit and all are correct, so I don't think its a voltage issue.
    Must be either M/B, cpu or ram. I suspect m/b.
    I have suscessfullt previously built a few PCs (one last week using B550 Phantom Gaming4 MB) without problems. Please point me where I am going wrong.
    Peter
     
  2. pads

    pads

    Joined:
    Dec 13, 2024
    Messages:
    4
    Operating System:
    Windows 10
    I also forgot to say that I had a EVGA Geforce GTX970 installed originally then removed it to ensure it wasn't that causing problem- still no video. Despite the fact it had come straight out of a working pc the day before.
     
  3. pads

    pads

    Joined:
    Dec 13, 2024
    Messages:
    4
    Operating System:
    Windows 10
    An update for further information....

    I am building two PC for my two grandsons - one already built and working and this one.

    So I have just tried swapping the graphics card from the working one to this.
    ASUS GeForce RTX 4060 Dual Evo OC 8GB GDDR6

    But it still isn't working so that lets out the graphics side of the problems.

    {and yes after putting it back, it works ok in the original pc}

    I truely am baffled!
     
  4. IJAC

    IJAC Super-Moderator Super Moderators

    Joined:
    May 8, 2017
    Messages:
    893
    Location:
    Here
    Operating System:
    Linux Based
    Computer Brand or Motherboard:
    I have a Asus prime Z270A MB
    CPU:
    Intel i5 Quad core
    Memory:
    Rip Jaw 32 GB
    Hard Drive:
    Samsung Evo 500 GB SS
    Graphics Card:
    Radeon R7 260X/360
    Power Supply:
    750 Watt Corsair
    I would suspect a bad MB or CPU.
     
  5. pads

    pads

    Joined:
    Dec 13, 2024
    Messages:
    4
    Operating System:
    Windows 10
    I have since found and connected a speaker.
    I have swapped all except the CPU and get 3 beeps (with original and swapped components).

    I tried swapping the CPU.

    There is still no display but the three bleeps now rapid sort of bleep-bleep-bleep.
    Previously it was bleeeep ----- bleeeep ---- bleeeep, long beeps and not as rapid.
    If you understand my meaning.

    I didn't appreciate there was a difference until now.
     
  6. allheart55 (Cindy E)

    allheart55 (Cindy E) Administrator Administrator

    Joined:
    Jun 11, 2009
    Messages:
    10,524
    Location:
    Pennsylvania
    Operating System:
    Windows 10
    Computer Brand or Motherboard:
    ASUS M4A77TD AM3 AMD 770 ATX AMD
    CPU:
    AMD Phenom II X6 1090T-Thuban 3.2GHz
    Memory:
    Crucial-DDR3 SDRAM 1333-8GB
    Hard Drive:
    WD Caviar Black SE HDD 640 GB - WD Caviar Black SE HDD 500 GB
    Graphics Card:
    Sapphire Radeon HD-7870 2GB
    Power Supply:
    CORSAIR CMPSU-750W
    The short, fast beeps are bad RAM.
     
    Tony D and IJAC like this.

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