lenovo ideapad 310 no power

[menshawy]

hi all friends
lenovo ideapad 310 no power on
but after about 10 sec of pressing power button led 2 lighting orange for 1 sec then off
mb nm-a752
pl401 3.3v ok
pl402 5v ok
ue1 (ite8586e)
pin 93 rsmrst 3.3
pin 108 ACIN# 3.3
pin 109 LID_SW# 3.3
after pressing power button
pin 18 PM_SLP_S3# 0v
pin 21 PM_SLP_S4# ov
i reflashed main bios and ec (ite8586)
what can i measure after that
thanks

[mcplslg123]

Re: lenovo ideapad 310 no power

Check AD_ID

[menshawy]

Re: lenovo ideapad 310 no power

Check AD_ID

thanks friend

[menshawy]

Re: lenovo ideapad 310 no power

problem solved
when i measuring MB again found pl500 +1.0VALW is not present
+1.0VALW generating by pu500 LV5075AGQV
pu500 pin 11 +1.0VALW_EN is 3.3v ok

replaced pu500
pl500 +1.0VALW 1v ok

MB power on normally and display ok
thanks for all