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What to do if the headphones don't make a sound.
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How to solve the problem that there is no sound from the headset of the mobile phone.
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First, first confirm that the hardware is fine. If the speaker is fine, the sound card is fine, and if you've tested it on other machines and it's really good, then you can read on.
2. Make sure all the cables are exactly right. Then power on the speaker and turn on the volume switch.
3. Install the driver of the sound card correctly, if it is an onboard sound card, it is best to install the driver provided on the driver disk of the motherboard.
In fact, the computer does not make a sound, and many times it is because the sound card is not driven correctly. In general, after the sound card driver is installed, there will be a small speaker icon in the taskbar in the lower right corner. )
Fourth, if you are sure that the driver is installed correctly, then take a look at the volume settings in the computer.
The specific method is to double-click the speaker icon in the taskbar, and check whether the volume is turned off to the minimum in the "Volume Control" and "Waveform" dialog box in the pop-up "Volume Control" and "Waveform".
If these two options are not available in the dialog box, click on the "Options" menu - select "Properties" - select "Volume Control" and "Waveform" in the "Show Volume Controls" and then set them correctly.
Note: Step 4 can only be set up after the driver for the sound card has been installed correctly.
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1. If you use a non-standard one-turn multi-cable or headset adapter cable may not be compatible with your mobile phone, resulting in the headset not being recognized;
1. It is recommended that you use the standard charging cable or earphone adapter cable.
Second, if you are using Type-C interface earphones (charging port), check the steps:
1. Please try to plug and unplug the earphones again to make sure they are fully plugged in. (If using a case or case, make sure it is fully inserted).
2. It is recommended that you change to other mobile phones or Type-C interface earphones to connect and try, after cross-verification, if only your earphones cannot be used, it may be that there is a problem with your earphones. If only your phone does not recognize the earbuds, we recommend that you back up important data (third-party messaging apps need to be backed up separately) and bring the earphones, mobile phone, and purchase voucher to the Huawei Customer Service Center for testing.
Third, if you are using interface earphones (small round holes), troubleshooting steps:
1. Please try to plug and unplug the earphones again to make sure they are fully plugged in. (If using a case or case, make sure it is fully inserted).
2. If you are using a third-party earphone (non-Huawei earphone), please consult the seller to confirm whether the earphone is an American standard CTIA interface (LRGM line sequence), Huawei mobile phones do not support the national standard OMTP interface (LRMG line sequence) earphones.
3. If you are using a Type-C adapter, please make sure that the adapter is normal and that the connectors are fully inserted.
If you still cannot return to normal after the preceding operations, we recommend that you back up important data (QQ, WeChat and other third-party apps need to be backed up separately) and bring your earphones, adapters, mobile phones, and purchase vouchers to the Huawei Customer Service Center for verification and processing.
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