What i would recommend you to do is to uninstall the device and reinstall it back...to uninstall it...assuming that you are running
windows xp...click on start, right click on my
computer and go to properties..you should have your
system properties open then click under
hardware then device manager...look for the sansa device..it usually located under portable device..if its not showing there i would recommend you to look for under
disk drives and see if its there..right click on the device and click on uninstall...after you unintall it unplug your device from the
computer....Then follow this link below to
download the porting kit...http://www.microsoft.com/downloads/details.aspx?FamilyId=A2E73160-E862-4F19-BB26-C0CAFE798955&displaylang=en .Then check the mode of yuor device to make sure it sunder MTP not msc...To check the mode go under menu, settings and choose
usb mode...After you check the mode open up your
windows media player click on tools, options and click under privacy...clear the history and caches...after you finish you can plug the device on the back of the
computer not the front then
windows should recongnize it and it should work properly..if that doesnt solve the problems upgrade your
windows media player to 11 even though you have done that already..and try to reconnect your device..make sure you have it connected on the back
USB>>>
And if that doesnt work try to obtain the driver for your sandisk device go to
http://www.sandisk.com/DriverDownload/index.asp and find the driver for your device..and then connecct the device on the back of your
computer...it should work properly..if you are still having any problems..let me know..i would be more than happy to assist you..
Please rate accordingly
Thank you
Computerrep