Why does the fan stop after turning on the computer?

Solution to the problem that the fan stops after turning on the computer when it is turned on: 1. Pull out the memory stick and wipe the gold finger part of the memory with a dry cloth or eraser; 2. Restore the BIOS settings to factory settings; 3. Clean the dust on the computer; 4. Take the computer host to the computer store for testing.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

The computer starts up, then stops and then starts again. It keeps restarting repeatedly.

Fault analysis:

The computer starts up, then stops and then starts again. This is due to the computer hardware. Caused by poor contact, short circuit on the motherboard or subsequent hardware, power failure, etc. The causes of these problems may be caused by poor environment, moisture, or not being turned on for a long time.

1. The memory is loose or the gold finger is oxidized

This is the most likely problem, and many users solve it this way. First, we remove the memory. It is very simple to remove. Press the buckles on both sides of the memory slot (there are also single-side buckles) to pull out the memory module. It is best to use a dry cloth or Wipe the gold finger part of the memory with an eraser to avoid problems caused by oxidation of the gold finger. Reinsert the memory into the memory slot and try to turn it on. If it doesn't work, you can try changing the slot and inserting the memory. If there are multiple memory sticks, keep one memory first and test alternately. If that doesn't work, users with independent graphics cards can also try re-plugging and unplugging the independent graphics card.

Memory re-insertion

2. BIOS error

Motherboard BIOS error can also cause this problem. We can try to restore the BIOS settings to factory settings. We will Remove the button battery, leave it for a few minutes, and then install the button battery in its original position to restore the BIOS initial values. Removing the button battery is also very simple. Pull the buckle outward, and the button battery will pop out automatically and can be removed directly.

BIOS settings are restored to factory settings

3. Caused by too much dust

Dust is the biggest killer of hardware. Cleaning dust from the computer is very necessary for our daily maintenance of the computer. Too much dust accumulates and increases the temperature of the hardware, which will affect the life of the hardware. In many cases, hardware damage is caused by too much dust. To clean the dust, we can use a brush or a high-power hair dryer to remove the dust.

Clean up the dust

4. Mainboard and power supply failure

If the above method still does not work after testing, it may be caused by a power supply or motherboard failure. This situation is generally not suitable for People, there is no suitable hardware to replace the test. The only way is to take the computer host to the computer store for testing. Let the store try to replace a power supply first to rule out whether it is a problem with the power supply. If the problem persists after replacing the power supply, finally try replacing the motherboard. . If the hardware is covered by the warranty, you can contact after-sales service. If not, you will have to pay to replace the hardware yourself.

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