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Question

Tried to update the BIOS on a new T431s. Downloaded the latest BIOS flash utility from Lenovo's support site, everything extracts fine, but once the flash utility starts and attempts to flash the BIOS it gets an error and re-attempts it (3 times), before giving me an error message: "Failed to Microcode update. The utility process has not completed.".

 

Looking at the log file shows an "Error code = 183" after each attempt.

 

The existing BIOS is ver. 1.04, and version I'm trying to update to is 1.06.

 

The ISO image for the BIOS update seems like a nogo since this machine doesn't have an optical disc drive. Unless there's some way to copy the [BOOT] partition on the iso to a USB drive.  

 

How can i get this resolved? 

Answer

As of 21 June 2013, Our engineering teams has released a new BIOS version v1.07 which adresses this issue. You can download the BIOS from the below link or go to our lenovo support site http://support.lenovo.com directly.

 

BIOS
DriverOperating SystemReleased
BIOS Update Bootable CD for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), XP - ThinkPad T431s ... Learn more

Version
: 1.07

 BIOS Update Bootable CD 
 Read me

Windows 7 32bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows XP
21 Jun 2013
BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), XP - ThinkPad T431s ... Learn more

Version
: 1.07

 BIOS Update Utility 
 Read me

Windows 7 32bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows XP
21 Jun 2013

 

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