E1-570 (LA-9535P) No Display

R EZ A

hi guys

this board turned on,but no display
when i press power key immediately lcd turned on but no backlight and no display

voltages are good except +VGFX_CORE

i program bios and ec
replace pq701&pq702
replace ram
replace lcd and lcd cable

do u have any idea about this problem?
tnx

chulat

that shows the post codes?

R EZ A

I dont have debugger

R EZ A

Customer says that laptop working ,when he try to replace led it happeeed

R EZ A

any idea?
PCH or VGA?

R EZ A

anyone any help??

KJ_1

I've got almost same problem, but in my case all voltages up at first turning on, and if turn off and try again, +CPU_CORE and +VGFX_CORE gone. I think that it can be PCH or kb9012. But i don't have them for change. Gonna order them.

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E1-570 (LA-9535P) No Display

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