How To Fix JBL Partybox 100 Will Not Turn On Problem

The JBL Partybox 100 will not turn on can be caused by several issues. Its battery might not be fully charged, there might be a glitch in the setting, or this might be caused by a hardware problem. To fix this you will need to perform a series of troubleshooting steps.

The JBL Partybox 100 is a popular large Bluetooth speaker that’s best used for parties and events. It has a very good sound quality that can deliver 160 watts of sound that’s loud enough for all occasions. Some of its best features include RGB pattern lighting, 12 hour battery life, and a solid build quality just to name a few.

Technical specifications of JBL Partybox 100:

  • Maximum music playing time (hrs): 12
  • Output power (W): 160W
  • TWS (True Wireless Stereo) connecting up to 2 party speakers using Bluetooth technology: Yes
  • Bass Boost: Yes
  • Frequency Response: 45Hz-18kHz
  • Dimensions (cm): 29 x 28.8 x 55.1 (W x D x H)
  • Weight (kgs): 9.7
  • Wireless Connectivity: Bluetooth Technology
  • Battery capacity (mAh): 2500mAh
  • Charging time (hrs): 6.5
  • 3.5 mm audio cable Input: Yes
  • Airplay support: No
  • Alexa: No
  • Bluetooth: Yes
  • Chromecast Built-in: No
  • Cortana: No 
  • Google Assistant: No
  • Lightshow: Yes

What to do when your JBL Partybox 100 won’t turn on

An issue that you might encounter when using this Bluetooth speaker is when it does not turn on. This can be a frustrating experience as you won’t be able to use it at all. Here’s what you need to do to fix this problem.


  • Make sure the power connector port of the speaker is free from any dirt or debris.
  • Make sure the power connector port of the AC power adapter is free from any dirt or debris.

Method 1: Perform a factory reset

A factory reset or hard reset will delete the data on this speaker and bring it back to its default settings. This is a useful troubleshooting step to perform whenever you are experiencing problems with the device such as when you can’t make a Bluetooth connection or when you can’t turn it on. Make sure that the speaker is not plugged to its charger when performing these steps.

Time needed: 2 minutes.

Reset the speaker

  1. Press and hold the Volume up button and Play button.

    Do this for at least 10 seconds.Fix JBL Partybox 100 Will Not Turn On Problem

  2. Turn on the device.

    You can do this by pressing on the power button. The device should now be in pairing mode.What to do when your JBL Partybox 100 won't turn on

Method 2: Charge the JBL Partybox 100 speaker

One factor that can cause this problem is if the battery of the speaker has been drained of charge. Try charging the speaker with its AC power adaptor and see if this fixes the problem. You just need to plug one end of the AC power cord to the wall outlet then plug the other end to the power connector at the back of the speaker. Leave the speaker charging until the battery charging indicator is full. Once the charging process is complete try turning on the speaker.

Method 3: Faulty battery

There’s a possibility that the problem is caused by a defective battery. If this is the case then replacing the battery will fix this. It’s recommended that you have this done at a service center.

Some of the causes why a battery will fail is if it is constantly being overcharged or when it is constantly being exposed to heat. These factors will rapidly degrade the battery performance.

Method 4: Faulty circuit board

One common cause of this problem is a damaged circuit board. If water gets in the circuit board of this speaker then it will cause damage to it. If the board has been damaged then you will need to have this fixed at a service center.

Having power issues on your Bluetooth speaker can be a frustrating experience. Hopefully, this solution will help you fix the problem.

Visit our TheDroidGuy Youtube Channel for more troubleshooting videos.

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