boot in recovery mode 1
sudo nvram internet-recovery-mode=RecoveryModeDisk
clear nvram and confirm 2[3]
nvram -c
nvram -p
restart 4
reboot
use #
to identify comments using zsh5 (if using zsh)
setopt interactivecomments
- version: macos 11.4
- N(on-)V(olative)RAM is newer than P(arameter)RAM: https://www.macworld.com/article/224955/how-to-reset-a-macs-nvram-pram-and-smc.html
- why? laggy ble trackpad, logi mouse, keyboard (see >Restart Mac)
[3] nvram --help