Hi

I have this problem of my U2711 monitor after requested by Windows to go to power save mode, but only wake up itself momentarily after power button sucessfully turn orange. This will then repeat in an endless cycle, waking up and going to sleep. I have only observed this behavior using Display Port. This is observed on an ATI HD6950 with stock CD driver and Catalyst 10.12a.

This problem is extremely annoying as the display turns on and off, and the card reader will prompt a 'device attached' and 'device detached' Windows sound continuously. The only way is to disable auto monitor off in windows, this is nto satisfactory as I would like the power saving given number of monitors I have.

Maybe this has something to do with it turning off the card reader power. If so that'd be unfortunate as there will be no way to fix it. This is also a major problem of the U2711. If you have file transfers occuring with a SD card for example, and the display goes off, your transfer will then fail. It should never power off the USB card reader, given that the USB power provided by the case should be sufficient to power the device.

I have also had instances that the display won't recover from sleep. Not sure if this is due to the graphics card or the monitor.

Thanks for any insights