ing up): - - TTII + +. Carefully observed, marked "-" and "+" difference between the metal sheet connected to two batteries; two "I"-shaped metal chip without any circuit connection; two "T"-shaped metal piece connected to the 2 golden connection (similar to the enamel-insulated wire), has been extended to a battery pack at the bottom. Reveal that the battery pack, strip off a layer of sticky trap and saw two lines attached a rice grain-sized components. It wants to remove the measurements actually found that it's a pin cold solder joint! After repair welding test machine, the machine work as usual!

Consulting a local mobile phone repair shop also learned that this component is part of the laptop battery identification circuit for detecting whether the battery Hp Pavilion ZV6000 battery(Hp zv6000 battery) connected to the notebook (some cell phone batteries have a similar function components). In this case, the device cold solder joint leading laptop battery identification circuit within the exception. Boot, the system is not connected to the misconception that the battery, thus the power shutdown.

Books battery power Case:

My Lenovo IdeaPad Y450 notebook, everything works when using the AC power supply, use battery-powered, then often automatic power problems. Auto power-off situation occurs, I touched the laptop casing, the temperature is not high. I thought it was a system failure, or power manager settings, but reinstall the system, and re-set the power management device, the