Here are the quick easy steps to recover your 3850 switch password.
1. Power cycle the switch, press and hold the Mode button. Hold the mode button for approx. 15-30 sec, the Status LED will go amber. On the console make sure you are in Boot Loader mode.
2. After switch boots up.
Switch# copy startup-config running-config
Switch# configure terminal
Switch(config)# no system ignore startupconfig switch all
Here i will show how to step by step recover a password on N 5k (ex. N5548).
1. Do a hard reboot by unplugging the power cable.
2. Careful watch the switch boot up and when it gets to “Loading system software” (see below) and send break command “Ctrl + ]”.
Today I had to update a 3560x but when I consoled into the switch it was at Boot Loader prompt (switch:) and I wasn’t sure so I tried to boot and this is what happened.
Loading "flash:/c3560e-universalk9-mz.122-53.SE2/c3560e-universalk9-mz.122-53.SE2.bin"...flash:/c3560e-universalk9-mz.122-53.SE2/c3560e-universalk9-mz.122-53.SE2.bin: no such file or directory
Error loading "flash:/c3560e-universalk9-mz.122-53.SE2/c3560e-universalk9-mz.122-53.SE2.bin"
Interrupt within 5 seconds to abort boot process.
Boot process failed...
The system is unable to boot automatically. The BOOT
environment variable needs to be set to a bootable