Jiykr Programming Cable Driver Windows 7 Extra Quality |link|

Do not plug the JIYKR cable in until the driver is installed.

This is the most common Windows 7 error. It almost always means you are using a driver that is "too new" for the chip inside the JIYKR cable. Roll back to a 2008 or 2010 version of the driver. jiykr programming cable driver windows 7 extra quality

The is a essential tool for radio enthusiasts and hobbyists, but getting it to talk to Windows 7 can sometimes feel like a puzzle. Whether you're trying to program a handheld transceiver or a mobile unit, the "Extra Quality" performance you're looking for depends entirely on having the right driver setup. Do not plug the JIYKR cable in until the driver is installed

Here is a comprehensive guide to installing and optimizing your JIYKR cable on Windows 7. Understanding the JIYKR Cable Hardware Roll back to a 2008 or 2010 version of the driver

If you see "Prolific USB-to-Serial Comm Port" without a yellow triangle, you’re good to go.