Technical Support ASUS X555LD REV3.3 NO SCREEN ON LCD HDMI IS OK

[Ipart]

Hi i have the same problem is two motherboards. It working and show screen only on HDMI but not on LCD screen. I replace LCD screen, LCD cable and U4501.
I checked voltage on LCD connector on motherboard:
PANEL_VCC is 3.3V
+3VS is 3.3V
L_BRIGHTNESS_R is 3.3V
BL_EN is 2,88V
AC_BAT_SYS 19V
Is it ok? Any ideas?

 

[Hosein Asadolahi]

Hi i have the same problem is two motherboards. It working and show screen only on HDMI but not on LCD screen. I replace LCD screen, LCD cable and U4501.
I checked voltage on LCD connector on motherboard:
PANEL_VCC is 3.3V
+3VS is 3.3V
L_BRIGHTNESS_R is 3.3V
BL_EN is 2,88V
AC_BAT_SYS 19V
Is it ok? Any ideas?

do you reprogram bios ?

 

[Ipart]

do you reprogram bios ?

Yes but from dump from other motherboard. You think it will be bios? Because one motherboard before bios didnt show screen on HDMI too. After reprogram bios it shows only on HDMI. Could You help me find correct BIOS?

 

[Hosein Asadolahi]

what is the exact laptop model number ? and gpu chip model number ?

 

[Ipart]

what is the exact laptop model number ? and gpu chip model number ?

A555LJ-XO668H
GPU N16V-GM-B1
On motherboard is X555LD Rev. 3.3 and second X555LD Rev. 3.6

 

[Hosein Asadolahi]

A555LJ-XO668H
GPU N16V-GM-B1
On motherboard is X555LD Rev. 3.3 and second X555LD Rev. 3.6

this file is 100% ok on this model . i tested and all thing is ok .

 

[Ipart]

Working. Thank You

 

[Hosein Asadolahi]

Working. Thank You

tnx for replay