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Z230 with 4 W2082A monitors. Display going to sleep message rpts forever when screen blanked.

Product Name: Z230 sff
Operating System: Microsoft Windows 7 (64-bit)

Z230 with four W2082A monitors. When displays go to sleep the monitor going to sleep message repeats forever. All four monitors work normally when power management has not blanked the displays. After blanking, one or more monitors will have the power LED blinking blue to orange. "monitor goint to sleep"  message repeates indefinitely. When I wake up the machine by moving the mouse, all monitors come back to life and work normally.


The PC has win7 64 bit installed. The monitors are attached with DisplayPort to DVI adapters. Startech MDP2DVI3. Ran windows update and also installed the latest Nvidia update from HP. Power management is set to blank the monitors but sleep and hibernate are turned off.

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