: If you see "Unknown Devices" in Device Manager, download the Windows 7 64-bit versions from the Official HP Support Page Manual Installation via Device Manager Right-click the missing device in Device Manager Update Driver Browse my computer for drivers
: If you see "Unknown Devices" in Device Manager, download the Windows 7 64-bit versions from the Official HP Support Page Manual Installation via Device Manager Right-click the missing device in Device Manager Update Driver Browse my computer for drivers