Hi Garrett, Thank you for showing interest in Windows 10 Technical Preview. Ati Mobility Radeon Hd 5470 Driver Windows 10. Windows 10 Technical Preview is a testing environment, so there will be no drivers available for this Windows. As far your computer model HP pavilion dv9500 is concerned, HP has not released any higher version of drivers apart from Windows Vista and lower versions. For Drivers availability refer to below link. HP Pavilion dv9500 CTO Notebook PC Drivers & The Graphics card drivers on your computer is a Legacy product i.e. NForce 6 Series - nForce 630i/GeForce 7150 and is only available for Windows 7 and lower versions. However I would suggest you to first download the graphics card drivers from the following website and then install them in Windows 7 compatibility mode.
I would suggest you to follow the link below for how to install driver in compatibility mode with Windows 7. Refer (Make older programs compatible with this version of Windows) Note: This link also applies to Windows 10. For more information on system requirements for Windows 10 Technical Preview refer to link below. Before you install Windows Technical Preview Hope this information is helpful.