NVIDIA Driver For Compaq Presario CQ50-104AU. This package contains the driver that enables the NVIDIA nForce MCP77MV Chipset in the supported notebook models and operating systems. On All Windows systems (XP/Vista/7/8) 64-bit systems must have test certificate installed first. D900 Software Update. Oct 12, 2008. Atheros 5009 driver is there;) From Compaq Presario CQ50-110US (Compaq CQ50 family) Windows XP Downgrade (Upgrade! My Memories Suite V4 Torrent. ) Downgrading (Upgrading) to WinXP on Compaq CQ50-110US (CQ50 family) You can find a lot of the drivers for this variant of the CQ50 family online, but the wireless driver is.