How to track multiple supply chain tiers

List of the table of contents of this article:

• 1, What to do if the mobile phone system prompt is gone
• 2、What to do if there is no sound on the mobile phone
• 3, The reasons and solutions for the smaller sound of the mobile phone
• 4, HowSet the sound source of the mobile phone screen recording to the system sound

What to do if the mobile phone system prompt sound is gone

1. Check whether the mobile phone is in a mute or vibration state. Set the mobile phone notification volume, click Settings, Sound and Notification (Sound), Volume, Notification, and turn up the notification volume. If there is still no prompt tone when receiving the message, please check whether the SMS prompt is set to mute.

2. It may be a data abnormality of the information. It is recommended that you try to clear the data. Operation method: enter the settings, search for application management, find the information, click Save Delete Data, and then restart the mobile phone and try again. Try to restore all settings: enter the settings, search to restore all settings, and click the option to restore all settings.

3. The notification prompts that if the mobile phone is in flight mode or there is no signal, the prompt tone of incoming calls and messages will be turned off. You can check whether the mobile phone is in flight mode or has no signal. If so, turn off the flight mode or get the signal.

4. Take iPhone1ios14 as an example. There are two ways to adjust the volume of the prompt: the hardware can directly press the volume plus key; press the volume adjustment key to see the volume change of the ringtone. Click Settings; click Sound and Tactile in the setting interface; pull the ringtone slider in the Sound and Tactile interface to turn up the volume.

What to do if there is no sound on the mobile phone

1. It may be caused by the setting to turn off all sound options, it is recommended to turn off all sounds and uncheck through mobile phone settings-(my device/device)-assisibility-(listening). Turn up the volume to check whether the mobile phone is in a mute state, set-sound-volume, and try to turn up the volume.

2. It may be that the volume setting is muted, or it is not turned on very small. It is recommended to check the sound settings first. If the speaker is broken, it may be that the speaker is broken. It is recommended to send it for inspection and replace the speaker again. System bug, mobile phone system itself bug or unstable system, it is recommended to restore the factory settings to try. Or upgrade the system or reflash the firmware.

3. First, check whether the mobile phone has been accidentally turned off by yourself. Just manually adjust the volume button on the side of the mobile phone when talking or playing music.Restart the mobile phone. If you find that the volume of your mobile phone is still full after checking, but there is no sound when playing externally, please restart the mobile phone to try.

The reasons and solutions for the smaller sound of the mobile phone

1. If you use a vivo mobile phone , refers to the speaker soundIf the volume is small, you can refer to the following processing method: please adjust the media volume to the maximum. Please check whether the media volume is adjusted to the maximum, play an audio/video, and press the volume up button to increase the volume.

2. The reason why the mobile phone suddenly became quieter is that the volume adjustment is too small. Solution: Press the volume + key directly to adjust the volume setting of the mobile phone to the maximum. You can also open the settings, find the volume setting option, adjust all the volumes to the highest, see if there will be any response, and then open the media library for audition. Software conflict.

3. It is caused by the poor geographical signal of the mobile phone. Try another place where the signal is strong. The volume problem is that the volume of the mobile phone is set too low. Please turn up the volume according to the product instructions. If there is a problem with Mike, turn on the mobile phone to check the microphone. If there is a problem, just replace it.

4. In summary, there may be many reasons for the sudden quieter sound of the mobile phone, such as system setting problems, headphone jack problems, speaker problems, etc. When encountering this problem, we can solve the problem by restarting the mobile phone, checking the system settings, cleaning the headphone jack, and replacing the speaker.

How to set the sound source of the mobile phone screen recording to the system sound

1. The details are as follows: First, the first step is to slide down from the top of the mobile phone, and then according to the arrow in the figure below, find and Click the [Screen Recording] icon.

2. First of all, find and click [System Tools] according to the arrow in the figure below. The second step is in the pop-up menu bar, and click the [Screen Recording] icon as shown in the figure below.Step 3 After opening the software, click the [gear] icon in the upper right corner according to the arrow in the figure below.

3. The setting method of Huawei mobile phone screen recording sound is as follows: unlock the mobile phone screen and pull down to open the control center of the mobile phone. After finding the screen recording function, click it. In the upper left corner of the mobile phone screen, click the small icon of the sound source.