OK when first charged and played preloaded Files.
On loading my files screen turned blank but still on.
Cannot find Stage to get help.
Has reset hole on rear but nothing changes. Had hoped to reset to default?
Can anyone help please?

Same problem here with my JXD 661, my player is on but the screen is Black... I've tried to update my player but it failed.. Here is the error i got from FRM Pro:-
------------------
1 devices Detected !
[Dev NO.Undefined]: Check ISP core -- SUCCESS --
[Dev NO.Undefined]: Judge burn size -- SUCCESS --
[Dev NO.Undefined]: Format Flash -- SUCCESS --
[Dev NO.Undefined]: Update RSV
[Dev NO.Undefined]: Program All -- FAIL --
[Dev NO.Undefined] -- FAIL --
FRM_READ_DIFFERENT_ERROR(32) -- !
--------------------
Please Help!!!