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MacBook headset hole is red and the speaker is silent. What should I do? Apple notebook is red and there is no sound. How to do

Many users who use MacBook have encountered the failure of the built-in speaker? And some users found that the MacBook built-in speaker failed. The headphone hole will be humanized with red light, which seems to indicate that this failure
is a known problem. So why does the MacBook's headphone hole turn red and cause the built-in speaker to malfunction? Analyze and talk about how to solve it.

It can be easily done, and many netizens have provided their own solutions. One of them is the solution that the MacBook's headphone jack is red and the speaker has no sound.
To solve this problem, you need to distinguish between the operating system installed on the MacBook, which is divided into two systems and two non-dual systems.
If it is a dual system. Your MacBook has been installed on the Windows system through Boot Camp software. At this time, the red light problem is caused by the wrong driver version. You can directly reinstall the correct version of the Boot Camp driver. This problem can be solved.
If it's not a dual system, and it's a MacBook's problem with its own OS X system, it's more complicated.
The MacBook has a switch in the headphone jack. Under normal circumstances, the switch will automatically turn on when the headset is plugged in. The system will think that the user has used the headset at this time, and then directly turn off the built-in speaker. Output. The switch will automatically reset to the off state when the headphones are removed.

▲Insert the headset before ▲

▲After inserting the headset ▲
Under normal circumstances, there will be a situation where the speaker is silent. The mechanical switch may be caused by various problems. It automatically turns off, so that it is silent. Apple's headphone jack supports fiber-optic audio. When the external device is plugged in and the fiber-optic audio input/output device is turned on, this red light will be emitted to form the current fault. Knowing that the problem is on the hardware, and we don't want to replace the device for the time being, I have to find a way to reset the hardware switch to solve this problem. We can find a sharp object such as a toothpick, and gently move it in the earphone hole until the place where the blockage is felt is the switch. Touch it to let the red light go out, the problem can be solved, remember not Act rudely to avoid damage.
The above is the solution that the MacBook headset hole is bright red and the speaker has no sound, so I hope to help you.