The video card fan does not turn to cause the computer to crash how to do

Now the performance of the video card is higher, the video card heat and heat dissipation are greatly increased. So the video card fan does not turn the heat dissipation is the cause of the computer crash. First look at the video card is not good, if only a simple fan is bad, or is too much dust, or power is not connected to damage the situation.

1, take down the graphics card, and then use a small soft brush to clean up the dust and debris above, and then install up. Trying to power on. It is best to insert some alcohol, do not plug in oil, the oil may be more likely to cause the fan does not turn.

2, if it is not the cause of the dust, then is the power, with two batteries of the positive and negative polarity of the plug into its power supply jack. Check to see if the fan has any signs of turning, and if so, it's not a problem with the power supply. The power supply to the chassis motherboard is reinstalled to test if the power supply to the chassis has failed. General Chassis motherboard power supply check for several, you can switch to other jacks to try. If all is useless, then change a new one. This method can be used to test whether the power supply has failed or the main board.