Question about SanDisk Sansa c250 (2 GB) MP3 Player (SDMX7-2048)

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Won't recognize music files

When I plug in my three month old sansa c250 mp3 player to my NEW laptop, it will not read it as music files. The files are as SDK, PDB, BIN, and HDS. It reads fine on my old computer, which I no longer have. I have tried everything to get it to work. any solutions?

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Re: won't recognize music files

My Sansa only reads mp3 or WMA files, not mp4 files.
also, i have tried three different computers, and all of them recognize (or NOT) my player differently....

Posted on Jan 16, 2008

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Sansa c250 mp3 file management

The laptop and the computer may have had two different file systems (NTFS vs. FAT) - plugging the mp3 player into the other computer caused a mild reformatting. I would start simple - go into the Setting Menu of your Sansa and change the USB mode away from where it is now - if it is in MTP Mode, change it to MSC and vice versa (or Auto is even better). See if the missing files now show up. There is a full user manual for your product available at Sandisk's website if you want to get a visual on what I am talking about.

-Tha Mp3 Doctor

Jan 01, 2009 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer

Successfully downloading music onto Sansa c250

Here is a link to the manual:

If you are certain that all of the files are in mp3 format, then your best bet would be to change the USB Mode of the player - if it is in MSC Mode, chnge it to MTP Mode and vice versa - instructions for doing this are in the manual.

-Tha Mp3 Doctor

Dec 31, 2008 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer

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Use Windows Media Player to get the ripped songs from CD onto the player.

Dec 25, 2008 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer

Sansa player says no music but there is

It is probably because the files are not .mp3 or .wma format files. This player is not compatible with itunes's .m4a files. 

Feb 28, 2008 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer

Sandisc C250

make sure the file is MP3 or WMA, and not copy right protected.

Jan 16, 2008 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer


is it on or off when you plug it in? try both.

you could also try a different computer, only two of the 3 comps in my house even recognize my player.

Jan 14, 2008 | SanDisk Sansa c250 (2 GB) MP3 Player...

1 Answer


We have two laptops and one desktop in my house and two 2GB Sansa c250s. My laptop recognizes my sansa c250 differently than our family's desktop (i.e. on the desktop i can't view certain folders/ music files that i transferred from my laptop to my player). The second laptop doesn't recognize mine at all, but it DOES recognize my sister's sansa c250.
my suggestion? try a different computer! and then KEEP using that computer for adding/ deleting files.

Oct 17, 2007 | SanDisk Sansa c200 MP3 Player

1 Answer

Computer says no files on device

Open device manager under the Control Panel to view hardware and devices. There should be a tab under portable devices that recognizes the Sansa c250. If their is a yellow exclamation point, then most likely the device has stopped working. Right click on it, and uninstall the device. Unplug your Sansa, wait a couple seconds, then plug it back in. Let it do its thing. If this does not solve your problem, then you should deffinately call the manufacturer.

Sep 22, 2007 | SanDisk Sansa c250 (2 GB) MP3 Player...

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