5490 la-f401p no display

[jayakumar]

hi have same 5490 la-f401p
problem: no display ( in HDMI out it's working )
changed working bios ,working screen ,cable,

i have more then 7 laptop's having the same issue please help me to resolve the issue

[kalilinux25]

hi have same 5490 la-f401p
problem: no display ( in HDMI out it's working )
changed working bios ,working screen ,cable,

i have more then 7 laptop's having the same issue please help me to resolve the issue

focus on checking the lcd connector voltages