I can’t directly host or attach driver files, but here’s how to get the driver for Windows 7 64-bit :
According to Microsoft Q&A experts , Techwell did not build the end-user application software; they only built the chip. Most of these cards were produced by various Chinese OEMs who bundled their own viewing software. If the generic driver installs but your cameras don't show up, you likely need the specific that came with the card to initialize the video streams. Troubleshooting Common Issues dvr card techwell tw6802b driver for win 7 64 bit hot
. While the original manufacturer, Techwell (now part of Renesas/Intersil), typically only provided software development kits (SDKs) to original equipment manufacturers (OEMs), functional drivers for Windows 7 64-bit are available through specialized driver repositories. Microsoft Learn Driver Download & Compatibility Techwell TW6802B I can’t directly host or attach
Windows might warn you that the driver publisher is unknown. Select "Install this driver software anyway" . Why Is It So Hard to Find? No video or garbled image: If driver is
Right-click 'Computer' > 'Manage' > 'Device Manager'.