This package applies to the following systems configured with the HLDS GT30N optical drive that have been updated from Windows XP or Windows Vista to Windows 7:

• ThinkCentre M90z, M70z, M71z
• ThinkCentre Edge 91z, Edge 71z
• ThinkCentre A70z

1. Click the file link to download the gt30n_ld04.exe file from the Web page.
2. When prompted, select a drive and folder in which to save the downloaded file.

1. Go to the folder where you saved gt30n_ld04.exe.
2. Double-click on the gt30n_ld04 icon.
3. The firmware update will proceed automatically.
4. When it is complete, you will be prompted to reboot your computer.
5. The firmware update will take effect after your computer reboots.