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Help with gtx 970 ssc bios switch

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Kskid35
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2020/09/13 07:25:29 (permalink)
Hello,
I am new to EVGA products and this forum, so I apologize if this has been asked before.
 
So, I have this card with the switches. On the number 1 side, when set to off position(I'm assuming this is the primary bios) the pc will boot with just a black screen and that is as far as I can go.
But, when I switch number one switch to the on position(I'm assuming this is the slave bios) the pc works just fine and it shows my driver is 452.06 and the bios is 84.04.36.01.70
 
So my questions are:
1. What exactly are the positions for 1 and 2, on and off?
2. Why will the pc not boot with the number 1 switch in the 'off' position?
3. Do I need to somehow flash a new bios to the number 1 'off' positon?
4. Is the bios version for the number 1 switch in the on position the most up to date version?
 
Thank you for any help. 
 
#1

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    ty_ger07
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    Re: Help with gtx 970 ssc bios switch 2020/09/13 08:36:00 (permalink)
    Don't mess with worrying about the BIOS version in the ON position until you get the BIOS corrected in the OFF position.
    If you mess with the only currently working BIOS and something goes wrong, you will be in a tougher position.

    The basic steps to fix your issue:
    Boot up with the working BIOS in the ON (secondary/slave) position. Once booted, flip the switch to the non-working BIOS in the OFF (primary) position. Even though the non-working BIOS is selected, the computer will still continue to work correctly until it is powered off. Download the correct BIOS for the primary position from somewhere (?) and flash it to the card. Since the primary BIOS is currently selected, it will flash the primary BIOS and leave the working BIOS unaffected. You could get the correct BIOS from EVGA directly, or your could play roulette with the BIOS dumps available from techpowerup.com. As long as you don't mess with the working (secondary/slave) BIOS, the risks are low for attempting different BIOSes for the non-working (primary) switch position.
    Power off and power on the computer. Does the BIOS in the primary position work now? If not, you may have downloaded an incompatible BIOS. Repeat as necessary.
    Once you get the card working properly with the BIOS in the primary position, THEN you can worry about whether you have the best BIOS for the other (secondary/slave) switch position.
    post edited by ty_ger07 - 2020/09/13 08:38:42
    #2
    bob16314
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    Re: Help with gtx 970 ssc bios switch 2020/09/13 09:32:13 (permalink)
    You mean like these SW1 switches?
     
    Switch 1 changes to the other BIOS, Primary/Secondary..Switch 2 is the BIOS write protect switch so neither BIOS can be flashed with it in the 'ON' position, slide it the other way before flashing.
     

     
    Sounds like the Primary BIOS may have become corrupted somehow.
     
    You should be able to get a Primary BIOS.exe from EVGA or the Primary BIOS.rom from the Video BIOS Collection at TechPowerUp and use the latest version of NVFlash to flash it.
     
    Boot using the working/Secondary BIOS..Then slide the switch to the Primary BIOS to flash it.
     
    Using NVFlash..Click 'Disable Device' (your card) in Device Manager which only disables the Graphics Driver..Then drag your BIOS.rom into nvflash64 for 64-bit (x64) Windows, or nvflash for 32-bit (x86) Windows and follow the prompts in NVFlash..Then 'Enable Device' again..Done.
     
    Leave the working/Secondary BIOS be!

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    #3
    Kskid35
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    Re: Help with gtx 970 ssc bios switch 2020/09/16 10:49:53 (permalink)
    Thank you both for your help.
    I now have the number 1 switch off position set to 84.4.36.0.70 and the
    on position is 84.4.36.1.70. Both boot up and work perfectly now.
    #4
    bob16314
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    Re: Help with gtx 970 ssc bios switch 2020/09/16 10:53:42 (permalink)


    * Corsair Obsidian 450D Mid-Tower - Airflow Edition * ASUS ROG Maximus X Hero (Wi-Fi AC) * Intel i7-8700K (Delidded, TG Conductonaut) @ 5.4GHz* 16GB G.SKILL Trident Z 4133MHz * Crucial MX500 M.2 1TB * WD Black 500GB (x2) * Seasonic M12 II 750W * Corsair H115i Pro * EVGA GTX 760 SC * Dual-Boot Win7 Home 64-bit/Win10 Home 64-bit (Winver 1909) * 
     
    "Whatever it takes, as long as it works" - Me
     
     
     
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