(I posted a similar message on the SanDisk forums, but since I would like to install Rockbox I thought I'd try querying the experts here as well)
I recently bought a brand new, still sealed 4GB Clip+. The battery was fully discharged out of the box, which I guess would be expected considering the years the player spent without being opened/used. Sadly, though, nothing I've tried seems to revive it from its current comatose state.
On a USB connection, the player is fully recognized in both MTP/MSC but no matter the computer or port, it only shows Connected>Writing, then settles to Connected>flashing SanDisk logo with the battery indicator showing full and no animation.
On a 5V 2A AC connection, the player + menus are fully functional but now the battery indicator shows empty with a diagonal line through it and no animation. Charging it for several hours doesn't move System Settings > Power from 0%
Besides crying tears of disappointment, I'm not sure if there's anything left to do short of a battery replacement. I suppose I could leave it on AC power for some days and cross my fingers. It's on firmware v01.02.17; perhaps attempt an up/downgrade? Anything else to try?
Thank you for any and all advice!