Low audio can be caused by a low level incoming audio stream, or by incorrect menu settings on the TV. If the problem continues, please proceed to our Request a Repair page. Reconfigure the Sound Out settings on the LG TV and retest.PERFORMING AN AV RESET WILL RESTORE ALL AUDIO AND VIDEO SETTINGS TO FACTORY SETTINGS Press the MUTE button on the LG TV remote 3 times.However, if the audio distortion is on all channels or from multiple devices (If using an external device, try swapping out the HDMI/optical cable and retest).

If the audio distortion is only present from a single device, then the TV is unlikely the cause.

Check a different content source (internal app, TV channel, another device, etc.) to see if the distortion is still present.

Another likely cause of audio distortion is the external device. If the drive still produces strange sounds, take the MacBook to an authorized repair center or computer shop.Distorted audio can be caused by faulty audio circuitry in either the TV or external audio systems. Restart the MacBook, and then insert a disc into the optical drive. Wait about three minutes after you blow out the drive for any condensation created by the canned air to dry inside the laptop. Use a can of compressed air to blow out the slot in the optical drive. If after restarting the MacBook the optical drive still produces unusual sounds, shut down the laptop.Ĭlose the LCD screen on the MacBook, and then disconnect the AC power adapter. Insert another disc into the drive to determine if a faulty disc is the cause of the strange noises.Įject the disc from the optical drive and restart the MacBook.

If the disc appears warped or has a surface that isn't smooth and flat, this could be the cause the optical drive producing unusual sounds. Inspect the disc and ensure there are no signs of warping and that the disc is perfectly flat. Eject the disc manually from the optical drive.

External apple dvd player has no sound