| Name | Operating System | Version | Released | Download |
|---|---|---|---|---|
| BIOS Update 1DCN26WW.txt 1.61 MB | Windows Vista 32bit | 26 | 27 Oct 2009 | Download |
| BIOS Update 1DCN26WW.exe 1.61 MB | Windows Vista 32bit | 26 | 27 Oct 2009 | Download |
Important information
How to use WinFlash to install BIOS update on Lenovo B450 system
http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?LegacyDocID=1256615368046
Lenovo strongly suggests rebooting the system before applying the BIOS update.