Why Does My Laptop Battery Drain So Fast. Select Battery use to see how your battery usage breaks down app by app. Turn on the computer and immediately press the F2 key repeatedly about once every second until the HP PC Hardware Diagnostics UEFI menu is displayed.
While the display is the primary culprit for draining your laptops battery I still want to leave you with two pieces of tried-and-true battery life advice. I unplugged the battery and started it with the charger and it started well then i shut it down and plugged the battery. Laptop Battery drastically drained.
Idk what updates got my laptop.
Press and hold the power button for at least five seconds to turn off the computer. Answer 1 of 28. Battery used to go for 4 - 5 hours with the save mode Then i dont know why or how. They dont wear out easily - they work as intended considering a lot of compromises.
