lenovo g475 no voltage on bios

[Romulo]

I need help on this LENOVO G475 la-6755P, the problem 19v,5v and 3.3v present but there is no voltage on pin 8 of the main bios chip but there is 3.3v on pin1 but pin8 no voltage.I checked EC chip voltages is present.Anyone please help on this

[ibnhassana]

Re: lenovo g475 no voltage on bios

you must flashing thee bios

[Romulo]

Re: lenovo g475 no voltage on bios

I already done flashing the main bios that i got here in the forum but still no 3.3v on pin 8 should i flashed the ec?

[ibnhassana]

Re: lenovo g475 no voltage on bios

flash the ec and main bios

[Romulo]

Re: lenovo g475 no voltage on bios

thanks ill try and give update soon

[Romulo]

Re: lenovo g475 no voltage on bios

I flashed both main and EC still the same issue cannot turn on all voltages present eXCEpt for the main bios chip pin8.i checked JPWRB1 pin6 and pin7 NOVOBTN# AND ON/OFFBTN# which has a voltage of 3.3v.anyone can help me please

[Romulo]

Re: lenovo g475 no voltage on bios

bios above working i found the problem i flashed above problem and short pin 7 and 8 it turns on and display comes, the power switch board is shorted now i need to make a jumper 2 wires to switch on

[pabloroggeri]

LA-6755P Rev 1.0

Hello,i need bios file LA-6755P REV 1.0. I know that this bios has already been requested in the forum but the file they uploaded from the main bios has 2049kb, 1000kb is left over and it does not allow me to save the memory correctly. Can someone upload the correct files?

[peste]

Re: LA-6755P Rev 1.0

Hello,i need bios file LA-6755P REV 1.0. I know that this bios has already been requested in the forum but the file they uploaded from the main bios has 2049kb, 1000kb is left over and it does not allow me to save the memory correctly. Can someone upload the correct files?

READ THIS...
https://www.badcaps.net/forum/showthread.php?t=103570
Post the full name and model of the laptop, the S/N, the original bios, etc.

[SMDFlea]

Re: LA-6755P Rev 1.0

Hello,i need bios file LA-6755P REV 1.0. I know that this bios has already been requested in the forum but the file they uploaded from the main bios has 2049kb, 1000kb is left over and it does not allow me to save the memory correctly. Can someone upload the correct files?

The 2,049KB file at post #4 has been edited and replaced. Follow peste`s advice though, make a backup,post the serial number

[lambungay2023]

Need help Bios File ,

[peste]

Need help Bios File ,

read post#9..