To get your cable working, download and install the driver corresponding to its chip. If one doesn't work, try the others in order:
—to ensure the cable is recognized as a functional COM port. Key Driver Information for Windows 7 jiykr programming cable driver windows 7 extra quality
| Chip | Official Manufacturer | Windows 7 Driver Link | | :--- | :--- | :--- | | CH340/341 | WCH (Nanjing Qinheng) | wch.cn → Search "CH341SER.EXE" | | CP2102 | Silicon Labs | silabs.com → Developer -> USB-to-UART Bridge | | FT232 | FTDI Chip | ftdichip.com -> Drivers -> VCP Drivers | | PL2303 | Prolific | prolific.com -> Support -> PL2303 Series (but note: many clones are blocked on Win7) | To get your cable working, download and install
Troubleshooting Jiykr Programming Cable Drivers on Windows 7: A Complete Guide It belongs to a class of search terms
Right-click the JY-KR COM port → Properties → tab:
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Jiykr Programming Cable Driver Windows 7 Extra Quality ((top))