Where is the reset button on the Sansa express?

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You need to reset your sansa for it to be in order again.

Learn how to reset the your various San Disk models;

Resetting a Sansa Fuze+, Clip+, c200, e200, or e200R player:

1. Press and hold the Power/Menu button for approximately 20 seconds.
2. Release the Power/Menu button.
3. Press the Power/Menu button again to turn on the player.


Resetting a Sansa View, Fuze, or Clip player:

1. Slide and hold the Power switch up for approximately 20 seconds.
2. Release the Power switch.
3. To turn the player on, slide the Power switch up then release instantly.

Resetting a Sansa Express player:

NOTE: The device can be either ON of OFF.

1. Press-and-hold the Volume Up (+) and Select buttons simultaneously for approximately 20 seconds.
2. Release the buttons.

If resetting doesn't solve the problem, please let me know for more assistance.

Good luck.

To reset sansa
Press to power on/off, enter menu, or hold 15
seconds to reset your Sansa.
Or-To reset the sansa = Hold down power button for20 seconds.

To reset the Sansa, press and hold the power button for fifteen seconds.

Normally your Sansa Express would show up as "Sansa Express", which would indicate that it is in MTP mode. The Sansa Express doesn't supply a menu option to switch to MSC mode, which would cause it to show up as a "removable disk". Apparently your Sansa Express has somehow switched to MSC mode. MSC mode is necessary for upgrading firmware, in which case it's called "recovery mode", and it's possible that some combination of key presses (usually involving holding down the power/hold button) put it into this mode.

If you double-click on "removable disk (K:)", do you see a Music folder? If so, is there anything in the Music folder?

Normal 0 Press and hold the Volume Up (+) and Select buttons at the same time for about 20 seconds
Make sure that the player is charged up.

Try to power reset the device by pressing and holding the center and volume up button at the same time, while connecting it to the PC.

If power reset fails, charge the device for at least two and a half hours. The computer should not be in sleep or hibernation state while charging.

You may need to update firmware.

Try and do what is called a Power Reset. To power reset the device, simultaneously press and hold the center and volume up button, while connecting it to the PC.
If this fails, charge the device for at least two and a half hours. The computer should not go into sleep or hibernation state while charging.
Then you may want to update the players firmware by downloading and installing the Sansa Firmware Updater.

Ensure that the player has been charged.

Try to power reset the device by simultaneously pressing and holding the center and volume up button, while connecting it to the PC.

If power reset fails, charge the device for at least two and a half hours. The computer should not be in sleep or hibernation state while charging.

Make sure to update firmware by downloading and installing the Sansa Firmware Updater.

Do a hard reset on the player, all settings will be lost. songs will remain.

To perform a hard reset, press and hold the Select button while pressing the Volume Up (+) button.

Key combination might vary

There isn't a dedicated reset button. To reset the unit, press and hold the power button for fifteen seconds.

In the owners manual it says "press and hold SELECT button while pressing VOLUME UP button simultaneously".