“44100 HZ” and “2ch-16 bit Integer” is selected.If your Mac is running macOS High Sierra or earlier, then open the App Store app on your Mac to update your Mac. And if there is an update available, follow the onscreen instructions. You can easily update your Mac by going to System Preferences > Software Update. Make sure that you are running the latest version of macOS. When you hear the second startup sound, release the keys.Keep holding the keys until your Mac restarts.Note that it is important you press these keys before the Apple logo appears. press and hold the Command, Option, P, and R keys at the same time, after you hear the startup sound.Press the power button to turn on your computer.Turn off your Mac (Apple menu > Shut Down…).You may want to print these steps, as the process involves turning off your Mac.Speaker volume information is stored in PRAM (on older Macs) or NVRAM (on newer Intel-based Macs). The coreaudiod process should restart itself. You can also do this using Activity Monitor. Then press enter (you may need to enter your admin password). Launch Terminal and enter the following command: sudo killall coreaudiod You may want to reset the Core Audio process. Make sure you have the correct device for your audio selected. You will have to use the Sharp TV for volume adjustment. These devices can be headphones plugged into your Mac, external speakers or AirPlay devices.įor example, as you can see below, if the Sharp TV is selected, you will get the volume icon like above if you try to adjust the volume on your Mac. You can select a device you want to use in the list of output devices if you have multiple devices. That also your internal speakers are disabled. When you press the volume keys, do you see an image like this: Make sure that your settings are correct. If the audio stops working properly in macOS, the first thing you should do is to go to System Preferences > Sound > Output and check your sound settings. Please complete each step before moving on. If you can’t adjust volume, here is how you can fix: More specifically, several Mac users have reported that they are unable to change/adjust sound/volume.ĭo you think that your Mac’s volume control is not working? Go to Product Repair.This article aims to help you troubleshoot and fix sound problems. If the situation does not improve, even after following these steps, service may be required. Refer to the operating instructions that came with product for further information. If there is a RESET function, perform a RESET. Adjust the volume setting on your portable player in order to increase the level of sound coming through the speakers. If you are using external passive speakers, the power and volume for the speakers are drawn from the connected unit.Manuals are posted on your model support page. Consult the instruction manual of your portable player for specific information. Some units have an AVLS switch, where other units offer the AVLS setting in the menu of the portable player. NOTE: The procedure to turn the AVLS feature off varies by model. Although it is recommended to leave the AVLS setting on to protect the hearing of the listener, maximum volume cannot be achieved until the AVLS feature is turned Off. Some of the Sony® portable audio players are designed to limit the volume level with the Automatic Volume Limiter System (AVLS).Depending on the product, ducts at the bottom of speakers may be covered by seals.If headphones are connected, try disconnecting the headphones.If your device is connected using a cord, temporarily unplug the cord and then firmly reconnect it to the terminals of the connected device and the speaker.Move metallic objects away from the speaker if there is one.If your device is not connected to a Bluetooth device, try pairing the connected device with the unit once more.When music files on your computer are playing back, check that the audio output settings of your computer, such as Bluetooth® settings, etc., are set correctly.If the connected device has functions or modes, set them to the appropriate ones.Check if the connected device is playing back a music file.Check that both the connected device and the speaker are turned on and the volume is turned up.To troubleshoot the issue, check the following. IMPORTANT: If model-specific information is needed to complete these steps, refer to the instructions supplied with the product.
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