BIOS Thinkpad p53 power issue

[mrtech]

I have lenovo thinkpad p53, it was powering on with battery only , and with charger(280w) connected no power.
i updated bios but still the same,

so removed the chip reflashed the old original bios, now no power at all.
can you please merge my dump with latest update

 

[Admin]

I have lenovo thinkpad p53, it was powering on with battery only , and with charger(280w) connected no power.
i updated bios but still the same,

so removed the chip reflashed the old original bios, now no power at all.
can you please merge my dump with latest update

machine type

 

[mrtech]

20QQ-S32H0U

 

[Admin]

I have lenovo thinkpad p53, it was powering on with battery only , and with charger(280w) connected no power.
i updated bios but still the same,

so removed the chip reflashed the old original bios, now no power at all.
can you please merge my dump with latest update

 

[mrtech]

thank you you very much