Graphics Card Fans Not Spinning – What Are The Reasons

Video card cooling systems (air) are equipped with one or more fans, which provide heat removal from the radiator in contact with the graphics chip and other elements on the board. Over time, the efficiency of blowing may decrease due to the development of a resource or for other reasons.

In this article, we’ll talk about what factors can lead to unstable operation and even a complete stop of the fans on the video card.

Graphics card fans not spinning

graphics card fans not spinning

Sometimes it is not easy to notice that one or more “twists” stopped working on the cooling system of the graphics adapter, since all the computer equipment is in a closed case. In this case, we can suspect something was wrong only when we get the card overheating, accompanied by malfunctions in the latter.

Opening the case reveals that when the “Power” button is pressed, the fans on the video card cooler do not start. Also, this can be seen during the first test run of the installed device. Let us examine in more detail the reasons for this behavior of the cooling system.

Reasons for Graphics card fans not spinning with solution

Most modern video cards independently control the fan rotation speed (PWM), that is, they begin to spin only when a certain temperature is reached on the chip. Before judging the malfunctions, it is necessary to check the operation of the cooling system under load and, if the cooler is not included in the operation (completely or only one of the “spinners”) at temperatures from 60 – 65 degrees, then we have a malfunction of the mechanical or electronic part.

# Solution 1: Check & Repair Hardware Failures

  • Mechanical failures basically boil down to one thing: drying of the paste in the bearing. This can lead to the fact that the fan will start only at full load (the highest voltage transmitted by the PWM), or completely refuse to work. You can temporarily fix the problem by replacing the lubricant.
  • First, you need to remove the cooler from the video card by unscrewing several screws on the back.
  • Then separate the fan unit from the radiator.
  • Now we unscrew the fastening screws and remove the fan.
  • Remove the label from the back.
  • Fans come with and without service. In the first case, under the label, we will find a protective plug made of rubber or plastic, which you just need to remove, and in the second you will have to make a hole for the lubricant yourself.
  • Since in our case there is no plug, we will use some improvised tool and make a small hole clearly in the center.
  • Next, you need to get rid of the old paste by flushing the bearing with alcohol or gasoline (clean, called “galosh”). This can be done with a syringe. During flushing, the liquid must be distributed by moving the fan soles up and down. After this action, the fan must be dried.

Important Notes

It is strongly not recommended to use solvents (acetone, white spirit and others), as they can dissolve plastic.

  • The next step is to put the paste into the bearing. A regular syringe filled with silicone oil is also suitable for these purposes. Such a lubricant is the most effective and safe for plastic. If there is no such oil, then you can use another; oil is suitable for sewing machines or hairdresser trimmers.

The lubricant must be distributed inside the bearing in the same up and down movements. Do not be too zealous; two or three drops is enough. After fan maintenance, the assembly is performed in the reverse order. If the problem could not be solved, then perhaps the wear has reached the stage where no measures will be effective.

# Solution 2: Replace the graphics card fan with a new one

Replace the graphics card

A malfunction of electronic components leads to a complete inoperability of the fan. The repair of such products is extremely unprofitable, it is cheaper to buy a new cooler. If there is no other way, then you can try to reanimate the electronics at home, but this requires equipment and skills.

When repairing fans in the cooling system of a video card, it is important to remember that this will only lead to a temporary improvement in performance. At the earliest opportunity, such coolers must be replaced with new ones independently or at a service center.

Failures in the cooling unit can lead to more serious problems, up to the “chip” of the graphics chip during overheating, so carefully monitor the temperature of the video card and regularly check the fans for proper operation. The first call to action should be increased noise from the system unit, which speaks of running out of resources or of dry paste.

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