Hello,
If I put my Mac Pro to sleep/hibernate and then power off my monitor (NEC MultiSync PA271W) connected via DVI, Mac wakes up.
What of my settings might be wrong?
P.S. when mac sleeps monitor sleeps too, however in some cases I prefer monitor's LED to be off.
Thank you.
Mac Pro, Mac OS X (10.6.7), 6Core 3.33GHz 24GB 4x3TB HDD+SSD
I suspect that powering off the NEC is something similar to when you wake your computer with, say, clicking the mouse or keyboard, and the mac wakes up. So there's nothing wrong with any settings you can set to change this. However there is a way to handle this!
I recommend you get a Sears Craftsman Automatic Power Switch (model #24031). It has one master plug and two slaves. The slaves are off if no (significant?) power is being drawn from the master. So plug your computer into the master and the monitor into one of the slaves (or a power strip plugged into one of the slaves). Now when you sleep your computer or turn it off the power will drop on the monitor.
I used to use these things for years on my old computer that had two VGA's. It would allow me to turn off the VGA's when the computer was shut off. Mac pro's sleep a lot more "soundly" than my old machine :-) Thus even sleeping the mac pro is enough to turn off the slaves. Of course these days on my mac pro all I have on the slaves is a power strip for any possible future connections that I might need to turn off when I sleep or shut down (for exmaple like routers, printers, etc.).
Sears Craftsman Automatic Power Switch is not good for me as I live in Europe. I think DVI is 2 way connector and Mac listens on this port as well.
If i use mini display port instead would it react to monitor's power switch as well?
Your settings are fine and there is nothing wrong with your Mac.
If this behavior bothers you, change your procedure to power off the display FIRST, then put the Mac to sleep. You can set the button on the front of the Mac chassis to be a "go to sleep" button".
After little research it seams I understood why it is happening....
I use my monitors USB hub to connect keyboard (it is closer than my Mac's USB ports). Mac that listens its USB ports reacts on power off change on it.
The workaround I found is to power off the monitor immediately after I wish sweet dreams to my Mac and press Option-Command-Eject (while the Mac is still preparing for hibernation).
If I do it a moment later - mac comes back to login status.
The only think to remember is: as I use monitor's usb to connect my keyboard - I could not wake up my Mac using keyboard touch if the monitor is off. However, this is not a problem, as powering on the monitor wakes up the Mac.
You could also connect the keyboard directly to a port on the chassis. Most Macs shipped with a keyboard "extension cord" in the box. If you no longer have the extension cord, you can buy one very cheaply, just don't exceed the 15 foot USB limit.
Yes, I have an extension cord, however to have the keyboard connected to display it is more convenient to me as I can use the same keyboard in case i need to check server connected to the same display.
powering off a monitor wakes up my Mac
