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ntd168
Paper Tape
Posts: 2
Registered: ‎10-30-2016
Location: VN
Views: 728
Message 1 of 2

W540 BIOS Update?

today i check driver bios of w540. My bios is 2.28 but now BIOS from Lenovo is 2.27?

what happen with 2.28?
can i rolback to 2.27?

Former Employee
Posts: 1,664
Registered: ‎09-16-2014
Location: US
Views: 661
Message 2 of 2

Re: W540 BIOS Update?

Due to a miscommunication, the latest BIOS for several ThinkPad systems were accidentally removed from support.lenovo.com. Affected systems are: T550/W550s, X140e, T540p, W540/W541, X1 Carbon 2nd Gen. They have since been restored.

 

Please note that a security vulnerability fix was included in BIOS v2.28 which will prevent customers from rolling back to v2.27.

 

Thank you,

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