Open Device Manager. If you see "SEC S5PC210 Test BD" with a yellow exclamation mark: Right-click the entry and select "Update driver." Choose "Browse my computer for drivers."
If the driver still won't install, you may need to restart Windows in "Disable Driver Signature Enforcement" mode. Troubleshooting Connection Issues If your computer still fails to recognize the SEC S5PC210:
Connect your S5PC210 device to the PC using a high-quality USB cable.
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