How does one go about making a laptop's monitor turn off after X minutes? I'm running Fedora Core 2. I've browsed all over the net and am just as confused as ever. I've read that there's APM and APCI.. I seem to have both installed but don't know how to invoke either of them.

/usr/sbin/acpid
acpid: can't open /proc/acpi/event: Device or resource busy

apm
No APM support in kernel

What's wrong? Thanks in advance..

Scott

Are you running gnome or KDE. If you are in KDE go to control centre and then to power. You should have an option LAPTOP Battery and from there you can configure what happens at low battery, and what your screen does.

Hope this helps.

confirm you have both installed e.g
#rpm -qa | grep -i acpi

You seem to have both installed, but neither enabled in the kernel. Go compile a new kernel with them enabled..

Thanks for the replies. I am running gnome (although I'm running Enlightenment on top of that). I did those commands and came back with:
So they are both installed, I just want to run one of them. How do I compile a new kernel with them enabled? I don't think I ever compiled a kernel in the first place, I usually just update through yum.

Thanks.

First, before we start this, try "modprobe apm" (as root). Then try "apm". It may be that these are unloaded modules, in which case were done. Otherwise,


Install the kernel source. Now:

cd /usr/src/linux
make menuconfig

at this point, you have to find and enable acpi (or apm). If you enable both, acpi will run, apm will be disabled. It will be under power management.

make all modules
make install modules_install

now youre done. (hopefully). reboot and try again. You may need to reinstall your bootloader, am not sure if fedora kernel does that for you or not.