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gt650m low texture and VBios update problems


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Hello!

I've bought a budget Lenovo Y500 (i7 3630qm, gt 650m sli, 16gb) 2nd hand for mobile gaming. I'm pretty satisfied with it but have strange low texture "bugs" in special games like TW: Rome 2, Fallout 4, etc...

Tried to change like driver version, tricking with nvidia inspector, ingame settings etc...Installed GPU-Z to realize that the 2 VGA-s running on 2 different vBios versions:

- 1st card: 80.07.27.00.33

-2nd 80.07.27.00.3A

Bit of surfing found official Lenovo vBios update. Which i installed without issues. Restart, than the 1st one changing to 80.07.27.00.3a but no sli. After few minutes this 3a version "changing" back to the original (.33). Actualy i dont care the numbers but i would like to use my rigs full "potential" with decent textures... Strange, i have no idea.

Also wondered unlocking bios to solve the previous problem but i dont have permission to download from techinferno forum (lack of comments/posts).

Could you help/advise/explain about low qual. texture problem, possible solution for vBios changing please?

Thanks in advance,

ps: feel free to ask for explain because of my english :culpability: sorry

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