Technical Support lenovo u310

[ABEBE]

I am looking a lenovo laptop u310 its model is LZ7T , what it does is , when I turn on it start properly except VCC-GFX ,VCC-GFX reads 0v and no display but in the same IC VCORE is reading 1.1v the fan is running properly the cpu getting hot what could be the reason or mentioned me any tutorial related to VCC-GFX problem
Thanks

 

[Hosein Asadolahi]

I am looking a lenovo laptop u310 its model is LZ7T , what it does is , when I turn on it start properly except VCC-GFX ,VCC-GFX reads 0v and no display but in the same IC VCORE is reading 1.1v the fan is running properly the cpu getting hot what could be the reason or mentioned me any tutorial related to VCC-GFX problem
Thanks

do you reprogram ic with ok bios file ???

 

[ABEBE]

no , shall I try?

 

[Hosein Asadolahi]

no , shall I try?

yes , reprogram bios and ec with same version of ok file .

 

[ABEBE]

I did sir it is the same ,all necessary voltage on LVDS reading fine now , but no display , what could be the problem sir ?

 

[ABEBE]

I did sir , but no change , all the voltages at LVDS connectors are reading fine , but I can any reading voltage at VCC-GFX at PLP coil ,can it be the reason ,how much voltage should I read at that point ?

 

[Hosein Asadolahi]

I did sir , but no change , all the voltages at LVDS connectors are reading fine , but I can any reading voltage at VCC-GFX at PLP coil ,can it be the reason ,how much voltage should I read at that point ?

i suggest to you convert dis to uma and test .

 

[ABEBE]

Sorry I don't know what it mean

 

[Hosein Asadolahi]

Sorry I don't know what it mean

you must disable gpu chip and test motherboard with intel gpu . what is the motherboard model number ?

 

[ABEBE]

DALZ7TMB88C0

 

[Hosein Asadolahi]

DALZ7TMB88C0

this model havent discrate gpu . i suggest reprogram bios and ec with another file if other voltage is ok .