How to fix LG SPN11-SL when the power does not turn on?
- JJoe PatelSep 13, 2025
If the power to your LG Speaker System won't turn on, ensure the power cord is securely plugged into the outlet.

How to fix LG SPN11-SL when the power does not turn on?
If the power to your LG Speaker System won't turn on, ensure the power cord is securely plugged into the outlet.
What to do if LG SPN11-SL only shows [DEMO] and can not change input source?
If your LG Speaker System displays only [DEMO] and you cannot change the input source: * Unplug the power cord and plug it back in. * If that doesn’t work, set the volume to 2, then press and hold the F button (for about 5 seconds) on the main unit until the display indicates the currently selected function.
When does Bluetooth device malfunction or make noise with LG SPN11-SL Speaker System?
A Bluetooth device may malfunction or make noise with the LG Speaker System: * If any part of your body contacts the transceiver of the Bluetooth device or sound bar. * When there is an obstacle or wall, or the device is installed in a secluded spot. * When there is a device (a wireless LAN, medical equipment, or microwave) using the same frequency, maximize the distance between the products. * When connecting the device to the Bluetooth device, minimize the distance between the products. * When the device gets too far from the Bluetooth device, the connection may be disconnected, and malfunction may occur.
How to resolve wireless interference with my LG Speaker System?
If your LG Speaker System experiences wireless interference: * Be aware that wireless operation may be impaired in areas with weak signal strength. * Position the device close to the wireless subwoofer. * Avoid placing the device on metal furniture to ensure optimal performance.
What should I do if the application for my LG SPN11-SL isn't working properly?
If the application for your LG Speaker System isn't functioning as expected: * Ensure that your smart device is compatible with the app. * Verify that you're using the latest version of the application. * Confirm that the connected unit is powered on.
Why is voice recognition not working on my LG Speaker System?
If voice recognition isn't working well on your LG Speaker System: * The speaker might not be recognizing your voice due to surrounding noise. Try pressing the designated button instead of saying 'Hey Google'. * Check if the microphone is muted. Press the corresponding button on the unit to unmute it.
What to do if my LG Speaker System has no sound?
If your LG Speaker System isn't producing sound, there are several things to check: * Ensure the volume isn't set to the minimum. Adjust the volume accordingly. * If connected to an external device like a set-top box or Bluetooth device, verify and adjust the volume level on that device. * Check if the mute function is activated. Press the designated button or adjust the volume to deactivate it. * Confirm that the correct input source is selected for your setup.
What to do if Wi-Fi connection does not work well on LG Speaker System?
If you are experiencing issues with the Wi-Fi connection on your LG Speaker System: * If you have restarted the router, turn the speaker’s power off and on again. * If you have installed a new router, perform a factory reset and set up the network connection for the speaker.
How to troubleshoot LG Sound Sync not working with LG SPN11-SL Speaker System?
If LG Sound Sync isn't working with your LG Speaker System: * Verify that your LG TV supports LG Sound Sync (Wired). * Check the connection of LG Sound Sync (Wired). * Review the sound settings on both your TV and the speaker system.
Why isn't the AUTO POWER function working on my LG SPN11-SL?
If the AUTO POWER function isn't working on your LG Speaker System: * Check the connection of the external device, such as a TV or DVD/Blu-Ray player. * On your LG TV, check the SIMPLINK settings and try turning SIMPLINK off. * Be aware that this function may not operate correctly depending on the connected device.
| Brand | LG |
|---|---|
| Model | SPN11-SL |
| Category | Speaker System |
| Language | English |
General warnings and cautions for safe operation and product handling.
Specific safety guidelines for the power cord.
Guide to connecting the sound bar to your home network via Wi-Fi.
Instructions for installing and configuring the Google Home app for smart control.
Steps to establish a Wi-Fi connection using the Google Home app.
Details on connecting the wireless subwoofer, including LED indicators and manual pairing.
Details on connecting the wireless rear speakers, including LED indicators and manual pairing.
Steps for connecting the sound bar to the TV using an optical cable.
Steps for connecting the sound bar to the TV using an HDMI cable.
Steps to activate and issue voice commands to the Google Assistant.
Lists voice commands to manage LG TV functions such as power, channels, and volume.
Lists voice commands to operate sound bar functions like input selection, sound effects, and power.
Guide to pairing your device and playing music via Bluetooth.
Procedure for resetting the speaker to its factory default settings.
Solutions for problems connecting to the home network or Wi-Fi.
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