Nvidia chipset, Win7, Dim and Turn off display setting

After upgrade to win7, the auto dim and turn off display power management don't work. Found the following solution:

1. In device manager click into Network adapters
2. Right click NVIDA nForce Network Network Controller
3. Click the Advanced tab and disable Wake on Magic Packet and Wake on pattern match (not sure if this needs disabling)
4. Make sure in the Power Management tab the Allow this device to wake the computer is not selected
5. Reboot

I would love the the auto screen off to work when playing mp3s with media player! VLC has no problem with auto dimming and screen off.