here is the steps :
1. Power down the Switch
2. Connect the console cable.
Connect the blue console cable, and open a TTY session: 9600,8,n,n
3. Press and hold the front panel MODE button, and power-up the switch.
- After a few seconds, the following should display. Release the MODE button.
Follow below document :
https://notthenetwork.me/blog/2013/05/28/reset-a-cisco-2960-switch-to-factory-default-settings/
still issue - post complete boot messge here to understand better.