Lenovo X1 Carbon 2 beep error code

[bisketti]

Hi Im working on Lenovo x1 carbon black screen 2 beeps. I have tried several bios and ec dumps from here. board draws .400ma.
Any ideas

 

[bisketti]

Hi Im working on Lenovo x1 carbon black screen 2 beeps. I have tried several bios and ec dumps from here. board draws .400ma.
Any ideas

Now after flashing it just gives 4 beep once..

 

[ThienBui]

Now after flashing it just gives 4 beep once..

Now after flashing it just gives 4 beep once..

check hardware...