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Lenovo y50-70 bios unlock help required


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Hi All,

i have lenovo y50-70 with latest bios v3.03

nvidia gtx 860m intel hd graphics 4600

but m suffering from system hang/freeze due to graphics

it happens only when system is used for normal purpose like browsing listen songs n watching movies

it doesn't freeze for hour while gaming 

it is bcz of gpu getting undervolted 

so i need unlocked bios so that i can manually increae voltage

can anyone help me ?

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