Help urgently please nvidia gegabyte 1050 ti low profile fan stopped working

Jun 24, 2018
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I have Nvidia GeForce gegabyte 1050 ti 4G low profile.
When i start my machine the graphic card fan does not move or spin, i try to spin it with my fingers and spin fine but doesn't want to continue spinning, i reinstall the nvidia driver and still not spinning, i installed msi afterburn and set the fan speed to 100% and still not spinning. I also lunched a game and in the monitor the temperature reached 75 C and getting higher , i had to close the game cause i felt worried about it even that the fan doesn't want to spin.. The graphic card is working fine but i don't know what happened to make the fan stopped working
Please help!

Am using windows 10 64bit
dell i5
 8g of ram
 
I also unplugged it and plugged it many times to check if there is a problem in the connectors but still nothing, I also checked the 3 pins cable of the fan and its also plugged in