[REQUEST] Lenovo Y50-70 (9ECNxxWW) BIOS Unlock

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[REQUEST] Lenovo Y50-70 (9ECNxxWW) BIOS Unlock

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Joined: Jan 2016
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Prometheus Offline

Junior Member

#948

01-09-2016, 09:44 PM (This post was last modified: 01-10-2016, 06:00 AM by Prometheus.)

Would you be so nice and unlock these for me please? Since NEW bios, 9ECN43WW 3.03, was released a clean installation on usb3 port gives me hidclass.sys error. This use to work fine because I use usb3 ports with Sandisk Extreme flash drives. Just suddenly since I flashed with new bios I got this problem. How can I re-flash or or downgrade bios to previous version?

Thnx a mill

Lenovo y50-70 - 20378

http://www.i-web.co.za/jj301.rom This I downloaded from net-------------------------------9.44mb
http://www.i-web.co.za/jj303.rom Current installed Bios - but have hidclass error----------6.5mb