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Lenovo Z50-70 BIOS issue

Discussion in 'Hardware' started by rdnckreaper, Oct 29, 2017.

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  1. rdnckreaper

    rdnckreaper Thread Starter

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    Tech Support Guy System Info Utility version 1.0.0.4
    OS Version: Microsoft Windows 10 Home, 64 bit
    Processor: Intel(R) Core(TM) i5-4210U CPU @ 1.70GHz, Intel64 Family 6 Model 69 Stepping 1
    Processor Count: 4
    RAM: 16280 Mb
    Graphics Card: Intel(R) HD Graphics Family, 1024 Mb
    Hard Drives: C: 698 GB (668 GB Free);
    Motherboard: LENOVO, Lancer 5A5
    Antivirus: Windows Defender, Enabled and Updated

    I have the above computer (obviously...lol) and for some reason the BIOS will not take a flash update utilizing the approved Lenovo utility Insyde Flash nor will it save any of the changes that I make in the BIOS. Right now it is stuck on Legacy Boot and with Legacy as priority but when I try to insert a Linux boot drive it will not allow me to boot from it as it does not even recognize that there is a USB inserted into the USB port. I have tested this will all 3 of the USB ports. When I boot into Windows all 3 ports are fully functional and work with no issues.
    I do not know what has happened and I have tried everything that I can possibly think of including desoldering the BIOS battery and resoldering it. (I have not replaced the battery but I didn't think that was a viable solution considering the age of the laptop.
     
  2. Saturable

    Saturable

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    What's your purpose of updating your BIOS? Is there something you're trying to address? It's generally not recommended to update your BIOS unless there're some noticeable bug it fixes.

    If you haven't looked at this article you should.
    https://support.lenovo.com/us/en/solutions/ht500008
     
  3. rdnckreaper

    rdnckreaper Thread Starter

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    I have looked at that and I do understand the risks of updating the BIOS...the major issue and the cause for me wanting to update it is the fact that I can no longer boot from USB drives and the BIOS WILL NOT save any of the settings that I set in the BIOS
     
  4. managed

    managed Trusted Advisor Spam Fighter

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  5. rdnckreaper

    rdnckreaper Thread Starter

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    I am trying to
    I am trying to flash it in Windows because I cannot figure out any other way to flash it and the utility says it is flashing and reboots the system but the BIOS isn't taking the update. Right now I cannot boot from USB drives when I was able to do it not 2 weeks ago with no issues. The only change has been me swapping out the hard drives so I can have both Windows and Linux and I am needing to be able to boot from usb so I can dual boot my system because I utilie windows for windows only software and i use linux for everything else.
     
  6. managed

    managed Trusted Advisor Spam Fighter

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    The Usb sticks may not work if they were made for UEFI style booting and now it's in Legacy mode in the Bios.

    You should be able to put both OS's into a boot menu as a workaround.
     
  7. rdnckreaper

    rdnckreaper Thread Starter

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    both os's are not install...the drives are legacy utilizing yumi for multiboot....that is where my confusion really sets in because I can access the drive and update the multiboot from within windows but even if I update it and leave it in the port and reboot the bios won't even recognize the drive is in there. i have tested 5 different methods for usb boots and the only one that has worked was windows 10 installation with a formated hard drive installed in the computer
     
  8. managed

    managed Trusted Advisor Spam Fighter

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  9. rdnckreaper

    rdnckreaper Thread Starter

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    I have already completed that...does the chipset driver have some form of control over the BIOS? I thought it was more for the OS and integrating the hardware properly?
     
  10. managed

    managed Trusted Advisor Spam Fighter

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    No control over Bios but might have fixed the Usb problem.
     
  11. rdnckreaper

    rdnckreaper Thread Starter

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    even though all 3 usb ports work fine when I am in the OS on the hard drive? I have 1 HD that has win10 and another that has Ubuntu 17.10 and when I swap them out all the usb ports work fine
     
  12. DavisMcCarn

    DavisMcCarn

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    Whenever you have a BIOS that will not let you save any changes, you have a system board hardware problem that can only be fixed by replacing the board. The cmos battery is only used to keep the clock ticking and the BIOS settings retained when the PC is turned all the way off. It will not prevent you from saving settings and rebooting.
    There is probably a setting in the BIOS to allow USB devices to boot; but, if you can't save the settings......
     
  13. Johnny b

    Johnny b

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    Does your bios have a 'write protection' option?
     
  14. DavisMcCarn

    DavisMcCarn

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    I haven't seen one in a laptop for over 20 years.
     
  15. rdnckreaper

    rdnckreaper Thread Starter

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    not that I can see

    Sent from my HTC One M9 using Tapatalk
     
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