![]() Click Update & Security and then click Check for updates.Press " Windows + I" keys simultaneously to open Settings.To update Windows, please refer to the following steps: Therefore, you should always keep Windows up to date to keep your system protected and to benefit from the latest features. If your Windows is outdated, the battery percentage displayed when you hover the taskbar icon may be different from the percentage that shows when you click it. After the driver is uninstalled, click Action > Scan for hardware changes from the top menu to reinstall the driver.Expand Batteries and then right-click on Microsoft ACPI-Compliant Control Method Batteryto choose Uninstall device.Press " Windows + X" keys and then choose Device Manager. ![]() If so, you should reinstall battery drivers through the following steps: The wrong battery percentage reading may also occur due to missing or corrupted battery drivers. Go back into the Windows power plan settings and follow the previous instructions to set everything back to how it was or adjust them to something new if you want. ![]() Step 5: Re-enable Hibernate and Sleep mode. Please note that if the computer is off, don't turn it on until the battery is fully charged. Connect the laptop to an external power source and charge the battery to 100 percent. During discharging process, you can use the laptop to make the discharge faster. Use the battery to power the notebook until the battery is completely discharged. Leave the notebook turned on and disconnect the notebook from external power.
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