If your card uses the BT878 chipset (which matches the "lw" legacy profile), the best solution is not the manufacturer's driver, but a universal driver package.
From 1998 to 2006, a PCI TV capture card was a coveted upgrade for PC enthusiasts. Brands like Hauppauge, ATI (All-in-Wonder) , Leadtek, Pinnacle, and LifeView dominated the market. pcitvcapturecardlwpcitvfmdrivers
sudo modprobe saa7134
sudo modprobe saa7134-alsa
Proceed with extreme caution. Driver download sites (DriverGuide, DriversCollection.com) are notorious for bundling adware. If your card uses the BT878 chipset (which
Legitimate sources: