ATI Mobility Radeon Premium Graphics: DirectX 11 Driver Download Guide for HP
Since AMD acquired ATI, legacy drivers are hosted on AMD’s website. Most "Premium Graphics" cards fall under the series. Go to the AMD Driver Support page . ATI Mobility Radeon Premium Graphics: DirectX 11 Driver
Look under the section for "AMD Video Driver and Control Center." Option B: AMD Legacy Support ATI Mobility Radeon Premium Graphics: DirectX 11 Driver