The problem is that when the system is left for several hours the P2314T locks up. Upon returning and the mouse is moved, the system responds, including the second monitor. The P2314T screen stays black with blue power button illuminated. The power button is unresponsive. When the P2314T power supply is disconnected and then reconnected, the P2314T wakes up and behaves normally.
SN:CN-0D0Y2X-74445-529-039L
Home built -MSI Z97 PC Mate - Intel G3258
Windows 10
MSI GeForce GT 730
Video Driver:10.18.13.5560, 8/6/2015
HDMI, VGA and DVI
HDMI TO HDMI 1
High quality HDMI cable
High Performance, PC set to not turn off, monitor set to turn off after 30 minutes
1920 x 1080
Purchased new on 20 July 2015 from Micro Center.