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Troubleshooting
Mono slab monitor won't stay off
I have just obtained an old mono slab and, to protect the monitor from dimming problems, I'd like to turn it off when it's not in use. However, the slab doesn't seem too happy about this, and turns itself back on shortly after powering off :-) Is this a feature (i.e. can I stop it doing this), or is there Something Wrong? ---- Log in as root, open the Preferences application, and turn off the "auto-power on after shutdown." That feature is there for sysadmins who didn't want the users to be able to turn the machine off. ---- I turned that checkbox off already, with no effect. What does ticking that box do, set a flag in a config file somewhere, or do something to the hardware (PRAM or something?)? ---- It sets a hardware register. Try opening up the machine, remove the battery overnight, and then replace it and try again (This will have the side effect of deleting your hardware password, if you set one.)