Re: [S531] UUID invalid, how to flash BIOS? in ThinkPad: S Series, ThinkPad Yoga and Twist Laptops https://forums.lenovo.com/t5/ThinkPad-S-Series-ThinkPad-Yoga-and-Twist-Laptops/S531-UUID-invalid-how-to-flash-BIOS/m-p/3277034 ThinkPad: S Series, ThinkPad Yoga and Twist Laptops topics Tue, 08 Mar 2016 22:27:35 +0000 tp06_en <![CDATA[ Re: [S531] UUID invalid, how to flash BIOS? ]]> https://forums.lenovo.com/topic/findpost/1305/3277034/3277870 Hi richk,

 

the BIOS shows the number like the following:

 

Machine Tyoe Model    Invalid

System-unit serial number    Invalid

System board serial number    Invalid

UUID    ffffffff-ffffffff-fff...

 

Apparently you need the Lenovo Hardware Mai ]]> Tue, 08 Mar 2016 22:27:35 +0000 https://forums.lenovo.com/topic/findpost/1305/3277034/3277870 WolfgangAlpha