Solved! My Lenovo won't boot without charger pluged in, Help!

[csr___]

My laptop, ideapad 320s won't boot wihtout charger pluged in, then when then the laptop turns on, it still turns on if the charger removed. Please help, thankyou..

 

[helpstar]

For how long does it stay on while unplugged?

Update the BIOS of the laptop.

 

[csr___]

its normally 3-4 hr and BIOS was updated

 

[helpstar]

Is it the original charger delivered with this laptop?

 

[csr___]

Is it the original charger delivered with this laptop?

yes its original charger, are possible it troube cause fault in motherboard or IC connector mayb?

 

[helpstar]

could be, try without the battery plugged in and only using the charger