Welcome to Lenovo Community I'm sorry to read that you're experiencing battery issues with your ThinkPad T440. It sounds like there might be a problem with the battery or the driver. Are you still using the same original battery that came with the machine? To start, perform a power res...
Battery Status Dual Battery Support LED Blink after wake from Sleep USB Ports MiniDP Port & MiniDP Audio Brightness/Backlight Practically everything else Are all fixed/patched & prebuilt on config.plist & hotpatches which are assembled on a single SSDT-X1CG3.aml SSDT. Customization ...