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The sound in the case, depending on what the characteristics are. If it is an intermittent "click" sound (but not loud), it may be the sound of the hard disk reading, and you can't do anything about it, except for the backup of important files, you can ignore it. If it's a continuous "roar" like a motor, it's probably the sound of a fan.
This problem is easy to occur when the temperature is low or there is a lack of oil, and most of the time it rings for a while when the machine is turned on. The solution, of course, is to paint, oil, and replace the new three, if you are not afraid of trouble, the first two are both economical and practical. You can use a small brush or a large oil brush to blow while brushing (it is best to have a "leather tiger" for blowing soot, or you can use a hair dryer to hit the cold air gear, or even use a pump to install a "gas needle" for playing basketball); To apply oil, uncover the circular covering film in the middle of the fan, let the shaft be exposed, drip a little high-grade lubricating oil (do not use cooking oil, because the cooking oil will be sticky for a long time, affecting the operation of the fan), and then cover the film.
Sometimes not all of them are ringing, how can you tell which fan is ringing? You can take a chopstick, turn on the case to turn on the power, put one end of the chopsticks on the board with a fan, and the other end on the face, feel the vibration, and the vibration disappears with the "roar". After brushing and oiling, the problem could not be solved, so it had to be replaced with a new one.
Also, the optical drive sometimes emits sound, but there is no sound when it is not working.
It's also because the cooling fan you're using supports auto-adjusting speed! When you start up the computer, the fan is spinning at full speed, and after a while, the fan is spinning at low speed. If the machine is hot, the fan will still spin at high speed.
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There should be no abnormal noise inside a normal mouse when it is shaking.
If there is an abnormal noise, it means that there are components falling off inside the mouse or something is broken.
Suggestion: 1. Unplug the mouse from the computer host.
2. Using a Phillips screwdriver, find the screw hole in the lower part of the mouse and remove the screw.
3. Open the mouse shell, pay attention to the buckle when opening, if it is damaged, and then install it, the mouse will not be fastened.
4. After removing the foreign body, put the mouse back on.
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Normally, everyone's mouse is like this, there are moving pieces in it.
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It's not normal, because there may be something falling off inside, although it does not affect the use but it is a precursor to the bad mouse, how can the mouse pulley be destroyed, the mouse will not be sensitive. Replacement or maintenance is recommended. That's just my suggestion.
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If there are other problems with the loosening of it, if there are no other problems, just take it apart and see if it is good, if there are other problems with use, go to the store to repair it, and if you don't want to change it.
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The other answers were incorrect. For example, the keyboard has no sound, especially the notebook keyboard, only the blue switch mechanical keyboard has a louder sound, but that is because of the shaft design in order to create a sense of rhythm and let the shrapnel play a sound, and it is not specially made for you to listen. In fact, the keyboard and mouse keys have resistance, and as the key travel increases, the resistance will also increase, just like if you press a spring, the finger feeling is enough, and there is no longer a need for a sound confirmation.
Here is the schematic of a mouse microswitch. We can see that the working principle of the micro switch is to use a spring to pull the conductive head, and through the change of traction direction, the conductive head can quickly switch between the two contacts to achieve the purpose of generating a signal. When the button is pressed, when the spring is parallel to the reed, it quickly pulls the reed down so that it touches the contact below.
Conversely, when the spring exceeds the horizontal position and then goes up to the parallel position of the reed, it will pull the reed up and touch the point above.
The meaning of micro motion is that the range of motion is relatively small, and the key travel of micro switches is an order of magnitude smaller than the 4mm key travel of various axes of mechanical keyboard cherry. Because it doesn't have a lot of motion and is fast to press and bounce, it's perfect for mouse use. The left, right, and middle buttons of the mouse will use this kind of micro switch for a total of 3.
In order to conduct electricity, the contact can only use a metal head, so it will produce a clicking sound. When you press the mouse button, there is a click, and then it is lifted again.
If you want to mute, you can only achieve the effect of muting by changing the way you press the keys and touching the mouse like an Apple soap dish.
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Do you have the legendary mechanical mouse, which is the boccaneous mouse?
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What century is your computer?
If you're a gift for your boyfriend, it's best to give one a little more original. In fact, the general mouse is very cheap now, that is, the kind of wired, the oldest style is only a few dollars a piece, and it seems too difficult to give a too cheap one, after all, when your boyfriend buys you a gift, he buys a very expensive gift. If your boyfriend usually plays a lot of games, you can buy a special gaming mouse, so that he can use it on a regular basis, and he will be very happy.
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