Roland D50 has no display after changing the internal battery? Help

[strat1953]

the display was showing rows of letters and numbers but did not displays sound names? and would not play any sound. i replaced the battery and still no sounds and now NO display? what could be the problem? i checked all the cables and nothing came undone.

[The Dude]

Try this (that is, if you can get there):

https://www.sweetwater.com/sweetcare...tory-settings/