i was trying to put rockbox on my sansa ,but in doing so my computer wasn't reading the sansa as 2 disk drives anymore. i ended up fixing the problem. now, both drives come up my harddrive and the memorycard one. i could erase and add to the memorycard but i can't with the harddrive because it's not there. taking out the memorycard there is still 500 somthin songs on my harddrive but it's not showing a music folder on my computer for the harddrive. i also right clicked the drive and put search and searched a music folder and there was one it's just not visible for some reason. can u help?