50.4IP05.101 DW512 U156 DW274 dell inspiron 15R N5050 N5040

50.4IP05.101 DW512 U156 DW274 Dell inspiron 15R N5050 N5040
50.4IP05.101 yjorw CJ48 DW512 CJ122 DW274 50.4IP05.001
  Dell inspiron 15R N5050 N5040 M5040 M5050 3520   
#1 50.4IP05.101