| Name | Operating System | Version | Released | Download |
|---|---|---|---|---|
| BIOS update 22CN35WW V2.02.txt 1.77 MB | Windows Vista 32bit, Windows XP, Windows 7 32bit | 35 | 31 Mar 2010 | Download |
| BIOS update WinPhlash64(202).exe 1.77MB | Windows Vista 64bit, Windows 7 64bit | 35 | 08 Jul 2010 | Download |
Important information
Lenovo strongly suggests rebooting the system before applying the BIOS update.
Fixes and enhancements
Latest BIOS Version fixed all issues from previous ones.
Change history
22CN35WW
Disabled Low Battery Alarm function.
22CN34WW
1 Fixed XP mode CPU usage too high
2 Supports U450 U450P module
22CN31WW
Updated ATI VBIOS to BR34503.001.
Installation instructions
Take WinPhlash32 (202).exe as example,
1. Restart computer.
2. Locate the file WinPhlash32 (202).exe that has been downloaded.
3. Double click the WinPhlash32 (202).exe. For Vista and Windows 7, you may run it as administrator by left-clicking on the icon and selecting "Run as administrator".
4. Click Install.
5. Click Flash BIOS.
6. Press Enter to start flashing. During the process, you are advised not to turn off the computer.
7. When the update finishes, the computer will automatically reboot for the changes to take effect.
8. Enter to BIOS menu, load default setting-> save and exit.
9. Please reboot the system again.