Now days Type C cables require a bit more effort than previously with standard USB A and Macro cables, in addition the pins are so small it’s quite a struggle. To simplify and also check correct negotiations, you should grab a tester.
Test a USB-C Cable for Faults – YouTube
USB-C Cable Testers
Treedix USB Cable Tester
Mini USB Cable Tester 6 in 1 Cable Diagnostic Tool
USB-C cable tester – C2C caberQU
USB-A to USB-C cable tester – A2C caberQU