If your laptop is plugged in but not getting any juice, these steps can help you troubleshoot.. I recently had the popular problem of windows 7 battery manager malfunctioning and not charging my battery when plugged in. the battery was fine, the power supply was fine, and the motherboard was fine (i have enough laptops with the same specs in the. Bu-911: how to repair a laptop battery. find out the challenges and limitations of repairing “smart” batteries. most laptop batteries are smart and consist of the “chemical battery” that is managed by the “digital battery.”.
The problem is definitely in the gas gauge line between the logic board and the battery. this could be a failed battery—and if there were no prior repairs, this is most likely.. It's important to stop charging these batteries before they reach 100% (it's possible the laptop already takes account of that). don't run the laptop on the power adapter with a fully charged battery in it.. My laptop will not start at all. when i press the power button nothing happens. do you think the cmos battery is dead?.
