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  1. #1
    ROG Junior Member Array
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    Tuf fx705du BIOS and Fan issues

    Full model name under the notebook (usually next to the serial number): TUF705DU-PB74

    Bios version: 315

    CPU: AMD Ryzen 7 3750H Processor,

    Memory amount in GB: 16

    GPU: 1660TI

    SSD/HDDs/Optical drives: m.2 1tb and 1tb ssd

    AC Adapter: stock

    Operating system: Original ASUS factory image or clean install? Microsoft Activated yes/no? Clean install and updated/activated windows 10 pro



    Drivers Installed (include version and especially any non-ASUS approved notebook drivers):

    Any third Party temp/voltage software installed: None

    System Overclocked (provide details)?

    Any hardware upgraded? Wireless card updated to Intel.

    Issue (In addition to the problem description please let us know if the problems started recently and if you remember changing anything around the same time, etc.)

    Three issues:

    1. Bios shows FX505 when the laptop is a FX705DU
    2. Fans pegged at max even in bios.
    3. CPU temp will go from 82c to 42c then back up. This is in the bios under no load and when first turned on.


    I have reflashed the bios from the support page for my laptop and even did a fresh install of windows just to be safe. No idea what is going on. Had this issue since December of 2019. Just been busy as this is my gaming laptop and I am home now so I use my desktop instead. The laptop is out of warrant sadly and I can't afford to send it in or buy a new one.
    Last edited by Fox_friend; 11-23-2020 at 08:12 AM.

  2. #2
    ROG Guru: Orange Belt Array raju2529 PC Specs
    raju2529 PC Specs
    Laptop (Model)R542UQ-DM153 ( X542UQ.309SA )
    MotherboardAsus Builtin Motherboard X542UQ
    ProcessorIntel core i5 7200u @2.5Ghz
    Memory (part number)Adata 2400 Mhz 16GB DDR4
    Graphics Card #1intel Hd 620 graphics 1GB DDR3 DCH WHQL driver v29.20.100.9116
    Graphics Card #2Nvidia GeForce 940MX 2GB GDDR5 DCH WHQL driver v27.21.14.6521
    Graphics Card #3nil
    Graphics Card #4nil
    Sound CardRealtek HD Audio controller with codec 294 WHQL driver v6.0.9071.1
    MonitorBuiltin Lcd monitor model BOE
    Storage #1Samsung 850 Evo 1000GB SSD M.2. 2280
    Storage #2Seagate 2TB 2.5inch 5400rpm and Seagate 2TB 2.5inch 5400rpm2.5 inch
    CPU CoolerBuilt-in
    CaseFrom factory
    Power Supply65W
    Keyboard Built in keyboard
    Mouse Built in mouse
    Headset Purchased Philips HeadSet
    Mouse Pad nil
    Headset/Speakers Realtek Builtin Speakers
    OS Windows 10 Enterprise 64bit v20H2 build no 19042.685
    Network RouterBsnl Wi-Fi modem with router
    Accessory #1 Dell Wired Mouse
    Accessory #2 Laptop Cooling table with fan
    Accessory #3 Secureye Usb finger print scanner added seperately for Windows Hello
    raju2529's Avatar
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    Feb 2018
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    Fox_friend,
    1. whats the exact model number in showing under system information in windows
    2. have you downloaded bios from below site
    ASUS TUF GAMING FX705DU

    Few models from asus laptops having different naming model number with different bios model .for example take my laptop specs

    asus vivobook 15 R542UQ-DM153 is name of model is selling, but actual BIos model number is X542UQ

    X542UQ is showing in windows OS and in BIOS , but name of model is different R542UQ

  3. #3
    ROG Junior Member Array
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    Quote Originally Posted by raju2529 View Post
    Fox_friend,
    1. whats the exact model number in showing under system information in windows
    2. have you downloaded bios from below site
    ASUS TUF GAMING FX705DU

    Few models from asus laptops having different naming model number with different bios model .for example take my laptop specs

    asus vivobook 15 R542UQ-DM153 is name of model is selling, but actual BIos model number is X542UQ

    X542UQ is showing in windows OS and in BIOS , but name of model is different R542UQ
    1. Shows the same in windows and on the bottom.
    2. Yes I have and no change.

    My solution was to do a fresh install and not install any Asus bloatware. Other than drivers there is no Asus software on my machine. Fans ramp up and down like they are supposed to. Only thing is that the proc now runs hotter. But, from what I have been reading, this processor runs hot and the thermal design of the cooler is terrible.

    I had no issues using an older version of armory crate but since it auto updates to the latest broken version I decided to forgo it. Not to mention you can't stop the program from updating. I had blocked all asus apps in the firewall yet it still updated. Without any of this bloatware, my laptop runs like it did when I bought it. I just don't have control over the fans but I didn't before!

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