Dell 17r n7110 2 beep

[bisketti]

I have Dell N7110 with motherboard DA0R03MB6E0 REV:E that just beeps 2 times continuous.
I have tried many different ram and also changed Cpus and flashed Bios and Ec . Is this a common issue with this model?.

I have also checked Voltage to ram and Vtt and all Cpu voltages look ok.
No output from PU5 (+vcc_gfx_core)

 

[ThienBui]

try bios here
https://vinafix.com/threads/dell-inspiron-17r-n7110_quanta-v03a-r03-dis_uma.2633/#post-39324

 

[bisketti]

I I have tried all the bios files the problem still the same.

 

[bisketti]

Voltages present on the coils are
pl 3 1.8v
Pl 1 1.06v
pl 7 .8v
Pl 6 1.1v
pl 5 1.1v
pl 9 0v
pl 10 3.3v
pl 11 5v
pl 8 1.5v
.75v

 

[bisketti]

Solved , was not ram but problem with daughterboard (wifi/lan)..