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Caleb Jackson Posted on Oct 28, 2019

JBL charge 4 stuck in demoo mode. How do I fix this. Also it can't turn on . when charging the power buttons turns on white and dosen't flash oor does anything.

1 Answer

prashant naidu

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  • Contributor 9 Answers
  • Posted on Nov 24, 2019
prashant naidu
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Try doing default factory settings.
Step 1. Press the "Power" button located on the top center part of your JBL Charge 4 Bluetooth speaker. The speaker will be powered on when the LED backlight under the Power button is lit.
Step 2. Hold down the "Bluetooth" and "Volume Up" buttons at the same time for roughly three seconds. The Volume Up button looks like a plus sign. Additionally, it's important to hold down the "Bluetooth" button in the center of the device next to the Power button, as it's easier to hold down. After three seconds, the LED ring around the Power and Bluetooth buttons will briefly light up before the JBL Charge 4 powers down.
Step 3. Press the "Power" button again to turn the JBL Charge 4 Bluetooth speaker back on. The Charge 4 will instantly turn on in Discovery mode, with the Bluetooth LED blinking on and off, and the speaker making a pinging sound. This confirms that you've successfully reset your JBL Charge 4 to its default factory settings. You'll need to pair or re-pair any devices you want to play audio through the JBL Charge 4 speakers with the device.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Dec 11, 2008

SOURCE: HP NX9600 wont power up.

Hello,

The Compaq NX 9600 is rather a complicated and somewhat notorious problem child. One of HP's better ideas, and a good one when it is working.

Disconnect Power adapter from PC
Remove Battery
Hold down power on button for 30 seconds
Remove both memory modules, Stot1 and Slot2.
Re-install battery
Re-connect power adapter
Attempt to reboot.
If nothing happens the book says replace the motherboard which is very pricey.

email me @ [email protected] and give me and update as I don't visit this site often.


Alan

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Anonymous

  • 2 Answers
  • Posted on Jul 04, 2009

SOURCE: Screen flashing

I had the same problem. You will need to put it in the car cradle and plug it into the car charger. It will come on immediately.

Anonymous

  • 3422 Answers
  • Posted on Aug 02, 2009

SOURCE: my K610i won't turn on. Red light flashes n won't charge.

HI,

That indicates a problem with the battery.Try a reset first.

Connect the phone to the power adapter and then press and hold the power button for more then 1 min.If it still doesn't turn on then remove the battery and sim from the back and then insert the sim back again and hold the power key for more then a min.Make sure you don't insert the battery now.Let me know the result.

Thank you

Anonymous

  • 174 Answers
  • Posted on Apr 04, 2010

SOURCE: nokia 1661 slight water damage - test mode

you can take the battery and the back off the device and place in completely submerged in a bag of white rice and leave it in there for 1 to 2 days this will help absorb the moisture, this should fix it if the water did not damage the circut boards if the water damaged the circut boards then the device is fried

Anonymous

  • 154 Answers
  • Posted on Apr 27, 2010

SOURCE: I unpluged my phone from being charged and when I

Only way to clear the error is to remove the battery.

I hope this answers your question.
Thank you for visiting FixYa for your solutions.
Susan
PS - Please be sure to leave positive feedback :0)

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It sounds like the internal battery has failed. Try and claim on the warranty or ask for a repair.

JBL Support - Returns & Warranty

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