This should be the first thing you try when your Windows laptop is barely having any issues, as restarting it can fix a lot of issues, like battery not detected errors. When the battery is not detected on the laptop, you can check the status of the battery. If the battery is not connected, simply connect it to the laptop to start charging. You can reinstall the battery driver as it will also help the laptop start charging. If it is because of the battery drive problem, it can be solved after. Whether you're running Windows 7, Windows 8, or Windows 10, it's always important to keep your operating system up to date to keep not only your software running smoothly, but your hardware as well. Windows Update can. You can also perform a power cycle on the laptop as it also enhances the laptop's charging conditions. This will also solve some of the major issues.