HP 15-e0 no display

[menshawy]

hi friend
HP 15-e0 no display
MB DA0R62MB6E0 REV E
mb coils values
pl17 1.5 v ok
pl8 1.8v ok
pl35 .93v ok
pl34 .93v ok
pl30 1.05v ok
pl32 .9v ok
pl20,pl23 1.1v ok
pl29 .95v ok
pl37 0v
i was change pu17 with no result
pl37 resistance with gnd is 2.0 ohm
pu17 pins values
pin1 4.9v
pn2 4.9v
pin3 2.6v
pin4 5v
pin5 2.6v
pin6 gnd
pin7 0v
pin8 0v
i flashed another bios file and convert mb to uma by shift
r256 to r273
r878 to 879
r814 to r529
remove pl20,pl23
with no result
can any one help me?

[mcplslg123]

Re: HP 15-e0 no display

So you have gfx core missing on Pl37. Did you tried with another known good PC3-L ram stick?? Dramrst present on pin30 of ram slot?? I'll still bet for a bad bios. flash another known good bios.

[menshawy]

Re: HP 15-e0 no display

So you have gfx core missing on Pl37. Did you tried with another known good PC3-L ram stick?? Dramrst present on pin30 of ram slot?? I'll still bet for a bad bios. flash another known good bios.

thanks friend
i tried another ram stick
i will try another bios file

[menshawy]

Re: HP 15-e0 no display

job done
PU17 was faulty

[Techtiger]

Re: HP 15-e0 no display

job done
PU17 was faulty

Good job 👏 if you can upload the working Bios Dump

[digitalpc]

Re: HP 15-e0 no display

job done
PU17 was faulty

is vcore chip? or not

[KvnTM]

Re: HP 15-e0 no display

is vcore chip? or not

Yes it is. +VCC_GFX

[menshawy]

Re: HP 15-e0 no display

Good job 👏 if you can upload the working Bios Dump

thanks friend
i will