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Thread: [MOBO] Asus PRIME x470 booting issues

  1. #1
    Registered User
    Join Date
    Sep 2018

    [MOBO] Asus PRIME x470 booting issues

    Hi guys -

    Just completed my build and everything seems to be working fine in terms of fans turning, lights, PC booting, etc.

    I am having difficulties getting into the BIOS - mainly due to the keyboard at times not being recognised. I say 'at times' because it takes waiting 5-10 minutes on the "ASUS / Press F2 or DEL for BIO" screen until the keyboard is recognised and even then it is not a sure way through into the BIOS.

    Given the annoying circumstances of the above, I still managed to get into my BIOS (typically after 5-10 restarts) and once I am in I am trying to enter into the Boot priority to turn the USB as my preferred boot option and it is not recognized, the only option is my HDD. Again, annoying.

    Can anyone help with the above?


    ASUS Prime X470-Pro AM4 AMD X470 SATA 6Gb/s USB 3.1 HDMI ATX AMD Motherboard

    AMD RYZEN 7 2700X 8-Core 3.7 GHz (4.3 GHz Max Boost) Socket AM4 105W YD270XBGAFBOX Desktop Processor

    G.SKILL TridentZ RGB Series 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 3466 (PC4 27700) Desktop Memory Model ...

    nVdia GTX 1080TI

    FYI - I've tried changing keyboards and using all the USBs on the Mobo

  2. #2
    Xtreme Cruncher
    Join Date
    Nov 2008
    NE Ohio, USA
    Hmm, you on the latest BIOS? Worth a try doing a Load Default Settings either rebooting and do you settings again.
    Last edited by bluestang; 09-08-2018 at 04:19 PM.
    Home PC -- 24/7 Cruncher #1
    GA-P67A-UD4-B3 BIOS F8 mod, 2600k (L051B138) @ 4.5 GHz, 1.260v full load, Arctic Liquid 120, (Boots Win7 @ 5.6 GHz per Massman binning)
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  3. #3
    Xtreme Owner Charles Wirth's Avatar
    Join Date
    Jun 2002
    Las Vegas
    Replace keyboard, I have seen USB holding up the boot like this.

    Try with just keyboard attached too to make sure its not the mouse.
    Intel 9990XE @ 5.1Ghz
    ASUS Rampage VI Extreme Omega
    GTX 2080 ti Galax Hall of Fame
    64GB Galax Hall of Fame
    Intel Optane
    Platimax 1245W

    Intel 3175X
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    96GB Patriot Steel
    Intel Optane 900P RAID

  4. #4
    Xtreme XIP
    Join Date
    Jun 2007
    Puerto Rico
    As Charles said try another keyboard , also try booting with only one or two dimms 1x8GB or 2x8GB but not with all four dimms slot populated 4x8GB , i have seen it with weird behaviour when all the dimms are populated at high clocks. Please update to the latest Bios. Keep us updated so that we can help you out.

    Regards: Chispy

  5. #5
    Xtreme Member
    Join Date
    May 2009
    FYI, a new bios is out for the x470 prime.
    STRIX X470-F | R5 2600X, PBO OC + TRUE Bk Rev.A, 2xGT AP-15 | 2x8GB Flare X 3200C14 @3200MHz/CL14-14-14-34-1T| RX480 Gaming X 8G @1316/2025 | SB Z | M500 240GB, DT01ACA200, AD-7243S | Lian-Li PC-B70: FC5V2 + 2xNB PK-2, 2xNB PL-2 | RM750

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