firmware problem on NW-E505. pls. help

[ag1770]

when i was upgrading my firmware it was in 99% and upgrading firmware became unsuccessful when i disconnect my player to my pc it says memory error. and when i try upgrading again the firmware theres an error message and i cant continue upgrade the firmware... i cant put music in to it because sonic stage cant recognize it. and in my computer when i double click the removable disk f it says please insert a disk into drive :F so in short my computer cant recognize it anymore. pls help

Edited September 17, 2007 by ag1770

[AntiPod]

hi, u probably need to reset the player with the reset button on its back. and try to format the player through its menu.