Question about Coby MPC-848 MP3 Player

4 Answers

It won't turn on

Every time I try to turn on my mp3 player it just says Coby then shuts of and just repeats itself until I take out the battery. I even tried to put new batteries in but it just does the same thing. And I don't have the receipt because my friend gave it to me for Christmas.

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  • vkeller08999 Jul 28, 2008

    I have a mpc854 sony my computer states it has malfuctioned. I think I need to update the firmware, but I am having problems finding the website to do so.

  • hazleyez_c_u Aug 24, 2008

    i'm having difficulty turning mine on? it will not come on, weve changed the battery and still nothing?

  • majominu Sep 04, 2008

    Every time I try to turn on my mp3 player it just says Coby then shuts of and just repeats itself until I take out the battery. I even tried to put new batteries in but it just does the same thing. And I don't have the receipt because my friend gave it to me for my birthday.

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4 Answers

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I had this problem. I downloaded the firmware update/upgrade, and ran the executable file. Turned off the player, held down the pause play button while plugging into the USB port. The drive seem to have reset itself and installed a generic driver. DO NOT!!! Turn drive back on. You should be able to see drive in my computer now. Then run the firmware upgrade, you should choose the option to format drive. Copied a file and played it. Used the safely remove hardware option and was able to turn on MP3 player and operate with no problem. Note: update was an older version, probably the original driver, but it works.

Posted on Jun 20, 2007

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A cold solder joint is the result of the solder not getting hot enough to completely liquify and bond to the pin and device. This can also be caused by "dirty" pins or device leads.

Posted on Jun 14, 2007

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What the heck is a cold solder!!!!!

Posted on Jun 14, 2007

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I have the same player with the same problem. I partially fixed my player by re-soldering the positive battery terminal. Turns out there was a cold solder joint there. I suspect that there is at least one more cold joint so I'm going to take another look at it to see if I can "fix" it once and for all.

Posted on Mar 03, 2007

  • Corey Hudson Mar 03, 2007

    This is a follow up to my previous comment. There were multiple cold solder joints in the player. I re-soldered them all and now the player works just fine.

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Posted on Jan 02, 2017

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First you need to wait until the battery is empty to let it shut off .
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good luck .

rate please !

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I have an identical problem with my mp3 player which looks similar but isn't the same model. There's something up with the play button, some moisture or grit or dust has got underneath the contact for the play button so that the mp3 player thinks you are constantly pressing the on/play button.

Put it in a warm dry place. I have had this problem twice & this has fixed the problem on both occassions. If there's more than moisture trapped inside, that can be harder to shift. But there are no moving parts in this player so don't be afraid to give it a good shake to try & get things moving.

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