the laptop model #psaa0u-01q002 Toshiba is working fine with ac plug. but does not charge my battery and i bought new battery but that one does not charge too. the light comes on for 5 min. when i plug in the ac power, next to battery symbol in the front. it yellow color. so power is going to the battery, so connection is not the problem but why is it cut it off after 5 min.. and in the power meter it do not show charging too. is there software or hardware issue can anyone help. thank you.