![]() The Attenuation (ATT) function is designed to mute the car stereo when you receive a telephone call. In the Playback tab, double click/tap on the output device you want to mute or unmute. Open the Control Panel (icons view), and click/tap on the Sounds icon. Release keys to go back to muted state again. To quickly unmute, hold down the keys Ctrl+Spacebar (Windows) and Option+Spacebar (Mac). ![]() If using a set-top box with a volume control, increase the volume of the set-top box. Make sure no headphones are connected to the TV. Make sure the MUTE option of the TV isn’t enabled. How do I turn the sound back on my TV?Ĭheck the Speakers setting on the TV. All the universal lights will flash twice. Press the “OK” button and release it and the AT&T key at the same time. ![]() Press and hold the AT&T button on the remote. The volume indicator disappears after a few seconds. A volume indicator appears on the screen. Pressing the +/ – VOL key on the U-verse remote control, adjust volume to 25. To adjust the volume on the U-verse receiver press the AT&T button on the top end of the U-verse remote control. Why does my ATT TV have no sound? – FAQ How do I turn up the volume on my AT&T TV? If you have multiple receivers, reboot your wireless gateway by unplugging it from its power source. This takes 5-8 minutes and will impact any DVR recordings in progress. How do you reset AT&T TV? Restart your receiver or troubleshoot specific issues To do this, press and hold the Power button for 10 seconds. You’ll have to use the TV remote to remove it or just use the volume button on your TV (trust me, there’s one on the TV). How do I unmute my AT&T? The ATT mute will appear on the bottom right of your TV but it sounds like you muted the TV. Make sure the volume is not muted and is turned up on that system. If you are using a home theatre system, check to see that the power is on and the correct output is selected. Why does my ATT TV have no sound? Make sure the mute button hasn’t been pressed or the volume turned down on your TV, U-verse remote control, or other connected audio equipment.
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