Both the windows 7 x64 driver in dell support for Inspiron 1545 and generic drivers at AMD website. Install catalyst manager , but do NOT pick. ATI Radeon™ HD 4000/ATI Mobility Radeon™ HD 4000, ATI Radeon™ HD 3000/ATI Mobility Radeon™ HD 3000, and ATI Radeon™ HD 2000/ATI Mobility. The Mobility Radeon HD 4330 was a graphics card by ATI, launched in January 2009. Built on the 55 nm process, and based on the M92 graphics processor. Specifications and benchmarks of the AMD ATI Mobility Radeon HD 4330 video card and therefore the performance depends on the optimization of the driver.