Gpu turns off while gaming!!!

Synkmaster

Prominent
Feb 28, 2017
16
0
510
Cooler: CoolerMaster Hyper 412S
HDD: Seagate SATAIII 1TB 7200rpm 64Mb 6Gb/s
SSD: Kingston V300 SATA 120Gb
PSU: EVGA Supernova B2 750W 80 Plus Bronze Modular
Fan: 120mm NOX Coolfan 1200rpm Led Red (3x)
cpu: Intel i7 6700K 4.0Ghz Quad Core Skt1151
gpu:Asus Radeon R9 390 STRIX DC3 OC GAMING 8GB GDDR5
Ram: Pack 2x 4GB (8GB) DDR4 GSkill CL15 2400Mhz RipJaws 4 Red
Motherboard: MSI Skt1151 - B150 GAMING M3
Case: NZXT Noctis 450 Black


I played for a year without any problems but since 3 days ago when i tried to play a game the gpu just turns off, the vents are still spinning and the leds are still on but the screen is black.

What do you guys think is the problem?