This update applies to the following Lenovo systems:

• ThinkCentre A85, M70e, M75e, M80, M90, M90p, M91, M91p systems.
• ThinkStation D10, S10, D20, S20, E20, C20, C20x systems.
• ThinkServer Secure Managed Client systems.

1. Click the file link to download the file from the Web page.
2. When prompted, select a drive and directory in which to save the downloaded file.

1. Go to the folder where you saved it, and click on the dh40n_1.04.exe icon.
2. Then click the Proceed button. The firmware update will continue automatically.
3. When it is complete, restart your computer.
4. The firmware update will take effect after you have rebooted your computer.