Lenovo G580 Power off in 2/3 sec

[lappatelsrt1]

Dear All

I have laptop model G580

Problem: power off in just 2/3 sec, if its start then work very fine, but if its not then only power light on for 2/3 sec

already reprograme main bios but no luck

MB PCB No. LG4858 MB 11252-1 (48.4SG01.011) Lenovo G580 WIth graphics MB

Any help plz.....
Adavance Thanks a lot

[kkcomputerr]

clear me