Graphics card fan stops after 20 minutes of gameplay

Prince Sharma

Honorable
Jul 26, 2013
14
0
10,510
hey guys i have Sapphire 7750 hd radeon. After 40 days i am facing this problem when i switch on my computer everythings work smooth but after 20 or 25 minutes of gameplay my monitor goes blank nothing happens then i switch off my pc and start it again it works but again after 25 minutes screen goes off no display. when i open my pc cabinet checking the graphics card fan it was'nt working. SO what is the problem. My graphics card is new and i've tried many games while playing all games same issue
need help please reply as soon as possible i am so sad
Thnks in advance