After upgrading the driver in Lenovo notebook Vista, the original device cannot be used normally. The method to restore the driver to the previous version is as follows:
1. Click to open "Device Manager". If prompted for an administrator password or confirmation, type the password or provide confirmation.
2. Double-click the category that contains the device driver, and then double-click the name of the device that you want to revert to the previous driver version.
3. Click the "Driver" tab, and then click "Rollback Driver".
NOTE: You must be logged in as an administrator to perform these steps. If the selected device does not have a previous version of the driver software installed, the "Roll Back Driver" button will not be available.
Lenovo notebook refers to the portable laptop computer produced by Lenovo Group. Lenovo Group was founded in 1984 by the Institute of Computing Technology of the Chinese Academy of Sciences with an investment of 200,000 yuan and 11 scientific and technical personnel. Today, it has developed into a large enterprise group with diversified development in the information industry. Lenovo is headquartered in Raleigh (Purchase), USA, and has established a global R&D structure with three R&D bases in Beijing, China, Tokyo, Japan, and Raleigh, USA. Through Lenovo's own sales organization, Lenovo business partners and the alliance with IBM, the new Lenovo sales network spans the world.