Open Device Manager , right-click the unidentified multimedia controller, choose Properties > Details > Hardware IDs . Look for strings matching: PCI\VEN_1797&DEV_6802 PCI\VEN_1797&DEV_6801 PCI\VEN_1797&DEV_6805 Step-by-Step Installation Process for Windows 7 64-Bit
(Note: The TW6802/TW6802B chipset family reports back under the 6801 development architecture identifier). Step-by-Step Installation Guide for Windows 7 64-Bit dvr card techwell tw6802b driver for win 7 64 bit hot
If the driver installs but shows an error, try restarting your PC and disabling Digital Driver Signature Enforcement (hit F8 during boot). No Video Feed: No Video Feed: to manually point to the driver files
to manually point to the driver files. Right-click the "Unknown Device," select Update Driver Software , and browse to the extracted driver folder. Compatibility Mode : Right-click the installer Properties > Compatibility , and try running it in "Windows XP (Service Pack 3)" mode. Vendor Support : If the card is part of a branded system (like those from Vendor Support : If the card is part
The key is to find a driver that likely came from the manufacturer's original installation CD. Your mission is to locate and adapt that driver. Here's your battle plan: