try update the driver

来源: 于 2013-11-28 09:11:23 [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.dell.com/support/drivers/us/en/04/DriverDetails/Product/latitude-e6420?driverId=GGY5W&osCode=ww1&fileId=3292011827&languageCode=en&categoryId=IN