What is the problem with the sound when the hard drive lights on Windows 7 are always on?

What is the problem with the sound when the hard drive lights on Windows 7 are always on?
Some friends found some strange problems when using the Win7 System: The computer hard drive indicator is always on and accompanied by sound, and the sound is still harsh. What's going on? In fact, this indicates that the hard disk is reading data and reading data repeatedly. To solve this problem, let's take a look at the cause and solution.



Cause analysis:

The main cause of this repeated and repeated data reading is that the + 12 V power supply voltage of the host is reduced to less than 11 V (10 V or below in severe cases ), hard drive motor conversion speed does not meet the requirements, the head reading data is difficult, so the card, hard drive light is always on failure.

The reason for the decrease of the host Power Supply + 12 V is that there is usually too much internal dust, which affects the heat dissipation, the power dissipation of the power module is not available, or the voltage regulator component is aging and cannot play a regulated role, or due to poor regulation characteristics.

Solution:

We recommend that you thoroughly clean the dust inside the host power supply and check the output voltage (if any). If the power supply is too low, you should consider adjusting or replacing the host power supply.

Note: In Win7, Hard Drive lights are always on and sound is mainly caused by external factors, which has little to do with the Win7 system itself.

If you have encountered such problems when using your computer, you can refer to this article to solve them.