I hame had a Sansa 4gig since the beginning of the

hold the switch for 15 seconds. the same thing just happened to me.

have u used the micro sd card

when that happen to me i held the power button and the middle button at the same time for like 15 sec then it turned off  try that  then turn it back on

Download the converter after you run the link below ....Put check next to converter/firmware update/Manual download...Go to your start menu programs go to sansa choose Sansa updater follow instructions.......(http://mp3support.sandisk.com/sansa/Installer/1082/SansaUpdaterInstall.exe) here is the link After installation connect your sansa......
Also make sure you are connected to a 2.0 usb the back of the computer is best (the motherboard).... USB mode located on the sansa if asked to change to MSC goto menu press enter scroll to settings press enter scroll to usb mode press enter scroll to msc press enter press menu.....Connect should auto start sansa software..... Sansa software/driver Updates firmware follow instructions Downloads manual Downloads converter

Set sansa to recovery mode, Start the updater plug the sansa into the computer, unplug when told sansa, should restart (Lock sansa press and hold rec and menu until recovery begins)
Reset All
NOTE: THIS IS AN ADVANCED OPERATION AND RESTORES ALL SETTINGS
TO THE FACTORY DEFAULTS. NORMAL USERS ARE NOT RECOMMENDED
TO PERFORM THIS OPERATION!
If your device freezes up press the Menu button and hold for 15 seconds.
This is like a power down of the device. Once you perform the reset, the adjustments you made during last operation
will be gone.....
Go to my computer click on folder scroll to sansa and open the media folder and open each sub folder and delete manually then delete the folders Right click on your sansa then format a couple of times hope this works

hello =)
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You can confirm this in the BIOS and i'm sure it will show 4GIG. Your Operating system maybe a 32 BIT OS, hence it will only show about 3... GIG. It's a limitation for a 32 BIT OS.

There are two types of 4gig micro sd,

theres MicroSDHC For nokia phones or
MicroSD Standard
The HC have a file format on them that only Nokias and Samsungs tend to recognise for mobile data transfer and access. The standard cards don't.

Hope this helps

Alen Boardman

download a registry cleaner....see eusing.com for one.

otherwise, you may have to re-install :'], as some (c...) software just won't go away. Also download from eusing the Free internet windows washer (FIWW).

I would recomend you to get a firmware upgrade done on your device..call sandisk and tell them you need to get a firmware update for your device...

If you reformatted it, and it still doesn't work, then call sandisk technical support and tell them and see if they can reaplace your mP3 player for you.