Question monitor getting no signal and system hangs

[nileshonesoul]

while I am playing path of exile game sometime randomly monitor showing no single and going blank at this point even system is not responding . any function task manege not working and only way is to power off system afterword restarting system run fine i see mostly issue during game-play

 

[rgd1101]

full system spec? include make and model of the psu

 

[nileshonesoul]

full system spec? include make and model of the psu

psu is corsair 650 tx
Operating System
Windows 8 Pro 64-bit
CPU
Intel Core i7 930 @ 2.80GHz 57 °C
Bloomfield 45nm Technology
RAM
12.0GB Dual-Channel DDR3 @ 533MHz (7-7-7-19)
Motherboard
Intel Corporation WX58BP (J1PR) 57 °C
Graphics
SyncMaster (1920x1080@60Hz)
2047MB NVIDIA GeForce GTX 660 (Gigabyte) 53 °C
Storage
111GB Samsung SSD 840 EVO 120GB ATA Device (SSD) 41 °C
931GB Seagate ST31000524AS ATA Device (SATA) 37 °C
931GB Seagate ST1000DM003-1CH162 ATA Device (SATA) 37 °C
1863GB Western Digital WDC WD20PURZ-85GU6Y0 ATA Device (SATA) 37 °C
Optical Drives
DiscSoft Virtual SCSI CdRom Device
SONY DVD RW AD-7240S ATA Device\