onn Soundbar Won’t Turn On? (Top Solutions Revealed!)

onn soundbar won't turn on

onn soundbar won’t turn on and you’re worried? Worry no more and keep reading this guide!

Your onn soundbar can develop a startup issue as a result of power source insufficiency or a potential defect with the equipment

The soundbar’s equipment can become degraded with extended use, which can lead to issues with the power supply, startup issues, or audio defects.

So, let’s take a quick look at the solution:

If the onn soundbar isn’t turning on, power cycle your soundbar and inspect the power equipment for malfunction signs.

If the fault continues, inspect the soundbar’s remote, pair it to a different wireless device and factory reset the unit.

Keep reading to uncover practical solutions for the issue!

Why Does My onn Soundbar Won’t Turn On?

why onn soundbar won’t turn on

onn soundbar can develop startup issues due to power supply discrepancies, such as faulty power equipment, controller issues, or power insufficiency. 

In some cases, the soundbar’s startup issues can be accompanied by particular LED indications or other symptoms, so check for any that can suggest the culprit.

Let’s review a list including all causes for the soundbar’s malfunction:

  • The onn soundbar is under the “Standby” mode.
  • Defective power equipment of the onn soundbar.
  • Insufficiency from the soundbar’s power source.
  • Issues with the wired/wireless device connection.
  • A malfunction with the onn soundbar’s hardware.

Does the Onn Soundbar Need to be Plugged In?

Unlike other wireless soundbars, the onn soundbar requires a consistent power supply from an electrical outlet with the assistance of a 24V power adapter.

A potential fluctuation in the power supply can prevent the soundbar from working or establishing a connection with other devices.

Let’s explore reliable solutions to your soundbar’s issue!

onn Soundbar Won’t Turn On – Fixed in Easy Steps

Tip: Follow the solutions consecutively!

1. Press the Soundbar’s “Mode” Button

press the soundbar’s “mode” button

There’s a possibility that your onn soundbar hasn’t exited the “Standby” mode yet and that’s the reason why you’re unable to turn the unit on or operate it.

The most straightforward step is to ensure your onn soundbar isn’t set to “Standby” by pressing the “Mode” button on the front.

Do ALL Onn Soundbars Have a “Mode” Button?

To determine whether your onn soundbar has a mode controller button, inspect the front panel of the audio device.

Next to the soundbar’s display and AUX port, there could be a blank button that controls the power state of the onn soundbar.

While not all onn soundbars have a mode button, the ones that do use standard “Standby” and “Power On” modes. 

How to Check if My onn Exited “Standby” Mode?

check if my onn exited “standby” mode

To verify that the onn soundbar is no longer under “Standby” mode, check whether the device is properly connected to your TV or output device and play music.

So, attempt to adjust onn’s volume using the buttons on the periphery of the soundbar and test using your remote buttons.

Info: onn automatically enters “Standby” if it hasn’t been used for more than 15 minutes!

2. Discharge the Soundbar’s Hardware

A reliable solution to the startup malfunction of your onn soundbar is to discharge the hardware by temporarily suspending the electrical supply

Unlike other fully wireless soundbars, onn must remain consistently connected to an electrical supply, which allows for a full power cycle.

discharge the soundbar’s hardware

Here’s how to perform a “full” power cycle on your onn soundbar:

  1. Disconnect the soundbar supplying cord from the socket.
  2. Unplug the other end of the cable from the onn’s A/C port.
  3. Wait for 60 seconds while the power cable is disconnected.
  4. Re-attach the cable back into the electrical power supply.
  5. Connect the other end of the cable to your onn soundbar.

While the power cord of the soundbar is disconnected, inspect the condition of the electrical connections and the power pins on the outlet. 

It is strongly advised to avoid using unidentified third-party equipment to establish a connection between the soundbar and the power outlet.

Warning: Plug the soundbar directly and avoid using outlet connectors, strips, or dividers!

3. Inspect the Onn Remote Control

inspect the onn remote control

The onn soundbar can be turned on both through the onn soundbar remote control or via the built-in soundbar power button.  

If you’ve already tried to turn on the soundbar through both sources to no avail, then there could be a fault with the remote control.

Here are a few possible methods to address issues with the remote!

Discharge the Onn Remote Control

A reliable solution to underlying issues with the onn remote control is to discharge the unit by temporarily displacing the CR2032 battery from the compartment.

To achieve a full discharge, hold the “Power” button on the remote for 15 seconds after taking the battery out of the case.

Re-Program the Onn Remote Control

re-program the onn remote control

There’s a possibility that the onn remote control has lost its programming connection to the onn soundbar and it can no longer communicate.

\You can reconnect the remote to the soundbar by holding the “OPT” + “VOL -” button or “Bluetooth” + “Power” button.

Replace the Remote’s Battery Unit

If the remote is still unable to communicate with the onn soundbar, you must insert a brand-new CR2032 battery into the battery socket.

The battery capacity can degrade over time, preventing high-distance communication or preventing the link at all.

So, after restoring the remote’s functionality, point the remote towards the soundbar and press the “Power” button.

If the onn soundbar’s LED does not come on, the remote may still be faulty.

Tip: To maintain the remote’s proper functionality, install a new battery every 2–3 months!

4. Connect the Soundbar to Another Device

connect the soundbar to another device

The malfunction of the onn soundbar may be caused by an improper device connection.

Like most soundbars, onn also supports wired and wireless connections, allowing the user to design any type of home theater or audio setup without much effort.

If there are no indications that the onn soundbar has established a wired or wireless connection properly, you may think that the unit is unable to turn on. 

How to Connect Onn Soundbar Via Bluetooth? (Wireless)

You can pair the onn soundbar to Bluetooth by pressing the soundbar or remote’s “Bluetooth” button.

After pressing the button, discover the soundbar through your wireless device’s settings and tap on the connection to complete the pairing.

How to Connect Onn Soundbar Via Audio Cable? (Wired)

connect onn soundbar via audio cable

The standard method of connecting the onn soundbar is using an HDMI ARC, Optical, or AUX cable since both connections are supported.

For crisp and high-quality output we recommend using a direct HDMI (ARC) connection with your TV, or if you can’t, use Optical or 3.5 mm AUX.

5. Alter the Onn Soundbar’s Power Source

Another reason why the onn soundbar not turning on can be because of an electrical source insufficiency.

That’s why the next step is to connect the power adapter cable of your soundbar to an alternative outlet with proven functionality and attempt to turn on the onn soundbar again.

alter the onn soundbar’s power source

All you need to relocate from the onn soundbar’s equipment is the device itself and the power adapter.

You don’t have to move any of the other audio jacks or cables to test if your soundbar will turn on while connected to a different outlet.

Tip: You can use your mobile phone’s charger to test an outlet’s sufficiency!

6. Inspect Onn’s Audio Connections (Wired)

It may look like the onn soundbar isn’t turning on, while the only existing issue is with the audio connections of the device.

Well, using HDMI (ARC), Optical, or AUX connection over Bluetooth is always preferable to achieve higher audio quality, crispier audio output, and less interruptions.

How to Inspect Onn Soundbar Optical Connection?

inspect onn soundbar optical connection
  • Inspect the “HDMI (ARC)” input port on the device/TV.
  • Unplug the cable on both sides for about 60 seconds.
  • Switch your cable’s sides and reconnect them tightly. 

How to Inspect Onn Soundbar Optical Connection?

  • Check the “OPTICAL IN” port on the soundbar and device.
  • Set the onn soundbar to the “Optical” output via remote.
  • Unplug the Optical cable from both ends for ~15 seconds.
  • Check the cable for damages and use an alternative cable.

How to Inspect Onn Soundbar AUX Connection?

  • Verify the AUX cable’s red and green jack are plugged tightly.
  • Press the “AUX” button on the onn soundbar remote control.
  • Test with an alternative AUX cable jack on the onn soundbar.
Tip: You can determine if the equipment is faulty by testing it on another output device!

7. Factory Reset the Onn Soundbar

factory reset the onn soundbar

The typical downside of many soundbars is that they don’t have a physical factory reset button, prompting you to use the remote or a mobile app. 

Fortunately, you can restore your onn soundbar to factory defaults by using the “Reset” button on the device’s back panel in less than 60 seconds.

Here’s how to address onn’s power malfunction by restoring it to defaults:

  1. Ensure your onn soundbar is connected to the power supply.
  2. Lean over and gain access to the onn soundbar’s rear panel.
  3. Locate the “RESET” button right next to the “HDMI ARC” port.
  4. Hold the button for 15 seconds to factory reset your soundbar.
Alert: All modes, audio preferences, and existing settings of the soundbar will be erased.

Quick Recap

If the onn soundbar won’t turn on, power cycle the device and check your wireless or wired device connection.

If the issue persists, alter the soundbar’s power source and force a factory reset on the device.

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