The DC60-008 4.0A often requires you to plug the red/white RCA audio cables into your PC’s Line-In port (blue 3.5mm) separately. The USB dongle’s audio chip is notoriously unreliable in Windows 10.
By following these steps and tips, you should be able to successfully download and install the USB DVR capture DC60 008 version 4.0A firmware.
: Unzip the downloaded driver package to an accessible folder. Plug in Device : Connect the USB capture card to your computer. Manual Update Device Manager (right-click the Start button) Find the device listed as "SMI Grabber," " ," or "OEM Device" Right-click it and select Update driver Browse my computer for drivers
For Windows 10 and 11, users often have better success with standalone driver packages like the SM-USB 007 or UTV007 drivers rather than the original version 4.0A disc. These are available on sites such as Visser I/O and 8bitmammoth . Installation Steps for Windows 10/11
: You can find original installation and application software, such as Version 4.0A for Windows 8, hosted on community sites like the Internet Archive Third-Party Repositories : Sites like Visser I/O Driver Scape