Sansa c250 MP3 player

But my problem is that I can't even turn ON my c250. It isn't charged and won't charge since my computer doesn't recognize it!!!! Does it have to be turned on for the wall charger?

You don't need one, just go to settings, go down to "usb" mode, and if it says "playsforsure" and "rhapsody", pick "rhapsody" if it says "MTP" or "MSC" pick "MTP". Then, connect it to your computer. Go to your "my computer" folder, double click on the sansa. Then go to "tools" on your toolbar, click on "folder options", then click on the "view" tab, then go down to where it says "hidden files and folders", and check off "show hidden files". Click Apply, then OK. You should now see a translucent folder that says "music". Feel free to drag and drop any MP3 formatted music onto your computer. Please keep in mind that I've only verified this working on windows XP SP2, and that if it's not one mode, then it's the other, I know that Rhapsody is the mode you want to be in, but not so sure if it's MSC or MTP mode, try one, then switch it if it doesn't work Good Luck EE