Question

i tried doing a factory reset by turning on the faderport 8 while pressing the PREV button but nothing happened. the read light didn't blink either.

Answer 1

That article is for the FaderPort v2 / FaderPort 2018 only. 

To access the Reset to Factory mode on the FaderPort 8 or FaderPort 16: 

1. Hold down Select buttons on Channels 1 and 2 and turn the unit on.
2. Select Setup 
3. Then select Factory Reset