Asus Vivobook S400CA dead after Bios-Update

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  • #14249
    Grisu
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    Hi!

    Anybody good contacts to Asus laptop division or a hint how I could repair my laptop?

    I started Bios update on this old but still very small and nice laptop. Good for simple tasks what it shall be used.
    There was no need for it but it has been v2.07 from 2012 and there has been 3 newer ones 2.10 from 2014.
    As there is no possibility to start from stick with UEFI (only possible in Bios-legacy CSM mode) I thought might be a good idea to load latest Bios.
    Maybe this will allow to start from stick to UEFI.

    Started in Bios easy flash, deleted, written and then got red while verify. But I still could boot and v2.10 has been shown in Bios.
    So I tried in Win-mode, there it wrote still 2.07 on board ?!?!?
    Therefore started update in Win10, which never ended and started after verify (also red/bad) from beginning with delete and write.

    Since then after stop update and reboot is has gone …

    #14255
    UK Sentinel
    Moderator
    • Posts 3990
    • Skipper

    Is that the same device you managed to get Windows 11 working ?

    Microsoft releases Windows 11 for free , but …..

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #14256
    Grisu
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    No, but would be possible too, even easier as it could run UEFI.

    I got it from a friend to speed up, wanted to spend it a SSD, almost finished only wanted to optimize and make a clean install from stick.
    Now I have bricked his laptop …

    Used motherboard (and you have to hope it will run) from China about 150€ (with taxes).

    #14258
    UK Sentinel
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    • Posts 3990
    • Skipper

    Not tried this on the Vivobook but if you got the Black Screen after BIOS Update??

    • Remove the battery (some models may not remove the battery) and the AC adapter.
    • Press and hold the Power button for 40 seconds.
    • Re-install the battery (for removable battery models) and connect the AC adapter, then try to restart your laptop.

    If not this, does the ASUS still have its ASUS recovery partition ?

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #14260
    Grisu
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    sure, tried remove battery, even button cell, contacted Bios-reset pins.

    How could recovery help when it doesnt even start, stay dark, LEDs blinking confused, not possible to enter BIOS.
    Seems it doesnt even start POST.

    #14262
    Chelsea maniac
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    Take the battery out and power cord hold the power button for 60 secs, I have had to do this before failed at first tried a couple of days later it worked as there was still a slight bit of power in the motherboard chips, Be patent it can take a while

    #14263
    UK Sentinel
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    • Skipper

    @chelsea-maniac

    Maybe also worth trying to remove and leave out the laptop cmos battery (if this is different button cell)  as this may allow the bios to return to factory default eventually (maybe)

    Does the screen light up /flicker in any way?

    Also unplug SSD / HDD so it does not get damaged until BIOS is working again.

    Trial and error I am afraid .

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #14265
    Grisu
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    BIOS is corrupt, no chance to boot anyway.

    But I found chips programmed with latest BIOS for only 15GBP, maybe worth to give it a try.

    http://www.bios-chip24.com/epages/63730052.sf/sec12740d9877/?Locale=en_GB&ViewObjectPath=%2FShops%2F63730052&ChangeAction=SaveLocale&ChangeObjectID=263092977

    Another possibility would be to program onboard with RasPi, but I dont have the knowledge to do so, easier for me to solder.

    #14267
    UK Sentinel
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    • Posts 3990
    • Skipper

    With a Steady hand for soldering  , I would still if possible turn laptop off and with battery and AC unplugged, leave for a couple of days, then if does not start at weekend, time for new chip maybe.

    The amount of times in my early days I have put broken Desktops / Servers / Laptops to one side for the weekend only to find the following week they work again (ish) is very interesting

     

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #14271
    Grisu
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    Not if you saw that it has been ereased, programmed/written and verify failed.

    #14272
    Chelsea maniac
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    If you can hear the fans going in the laptop, you may still be able to reflash using USB formatted to fat 32 and copy across the bios .fd file and a certain button sequence like Fn+Esc, you will have to look that up for your laptop, good luck

    #14273
    Grisu
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    Not even fans, I know there is such a possibility with simple bootloader on better boards which can load Bios from stick (ROM-file, command.com and autoexec).

    Only LEDs wildly blinking.

    #14274
    Chelsea maniac
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    Then apart from swapping motherboard or soldering a new bios chip I stuck sorry

    #14327
    Grisu
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    • Posts 517
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    We got it – unbelievable!

    My son helped with RasPi and Linux with flashrom, connected 6 Pins of onboard Bios-chip to VCC+3,3V/GND/CLK/CS/MOSI/MISO (Write and Hold left open).
    Soldered wires on chip with connectors on RasPi side.
    I found 3 Bios files online and second worked, with first keyboard didnt work, 3rd not tested (maybe we will try this too).

    #14328
    UK Sentinel
    Moderator
    • Posts 3990
    • Skipper

    Great news, so no new BIOS chip needed (clever chap)

     

    In a completely sane world, madness is the only freedom (J.G.Ballard).

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