Re: Cannot sign in after BIOS update (YOGA 900 13ISK 80MK) in Lenovo Yoga Series Laptops https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Laptops/Cannot-sign-in-after-BIOS-update-YOGA-900-13ISK-80MK/m-p/3492362 Lenovo Yoga Series Laptops topics Mon, 28 Nov 2016 21:26:22 +0000 ll06_en <![CDATA[ Re: Cannot sign in after BIOS update (YOGA 900 13ISK 80MK) ]]> https://forums.lenovo.com/topic/findpost/1516/3492362/3493177 Boot into Safe mode and see if you can successfully do that.  After the reboot, you should be fine....

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Mon, 28 Nov 2016 21:26:22 +0000 https://forums.lenovo.com/topic/findpost/1516/3492362/3493177 efremmc2