yo tengo un problema parecido.
le pongo la imagen y la coje pero cuando reinicio se qeda la pantalla en negro y he probado infinidad de imagenes.
el putty pone lo siguiente:
UBIFS error (pid 1): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 1): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 1): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 1): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 40): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 40): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 40): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 40): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 40): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 40): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 40): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 40): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 40): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 40): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 40): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 40): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 40): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 40): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 40): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 40): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 42): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 42): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 42): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 42): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 42): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 42): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 42): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 42): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 42): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 42): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 42): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 42): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 42): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 42): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 42): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 42): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 1): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 1): ubifs_read_node: bad node at LEB 591:57344, LEB mapping status 1
UBIFS error (pid 1): ubifs_iget: failed to read inode 6651, error -22
UBIFS error (pid 1): ubifs_lookup: dead directory entry 'utmp', error -22
UBIFS error (pid 1): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 1): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 1): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 1): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 1): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 1): ubifs_read_node: bad node at LEB 591:94464, LEB mapping status 1
UBIFS error (pid 1): ubifs_iget: failed to read inode 68, error -22
UBIFS error (pid 1): ubifs_lookup: dead directory entry 'etc', error -22
UBIFS error (pid 1): ubifs_read_node: bad node type (255 but expected 0)
UBIFS error (pid 1): ubifs_read_node: bad node at LEB 591:57344, LEB mapping status 1
UBIFS error (pid 1): ubifs_iget: failed to read inode 6651, error -22
UBIFS error (pid 1): ubifs_lookup: dead directory entry 'utmp', error -22
aver si alguien me puede echar un cable. gracias