The HYT TC780 uses a or Silicon Labs CP210x chip inside the programming cable. Windows 8, 10, and 11 often fail to auto-instate the correct driver.
is a more recent release used for managing TC-780 configurations. Operating Systems: hyt tc780 programming software link download
Check your COM port settings in Device Manager. If using a cheap "knock-off" cable, you may need an older version of the Prolific driver. The HYT TC780 uses a or Silicon Labs
: Always "Read" the radio's current configuration first to create a backup before writing any new settings to the device. RadioReference.com Forums TC-780 Programming in Windows 8 - RadioReference.com Forums Operating Systems: Check your COM port settings in
Ensure the cable is plugged in snugly, the radio is turned on, and you have selected the correct COM port in the software. Try changing the COM port in your Windows Device Manager.