Windows 11 is Microsoft's new operating system which promises many improvements in terms of design, performance and security. But some users noticed that their battery drained faster than before after installing the update. What are the causes of this problem and how to fix it? This is what we will see in this article.
What are the possible causes of rapid battery drain in Windows 11?

There are several factors that can influence your laptop's battery consumption in Windows 11. Here are the most common:
- power supply settings
- Greedy applications
- Background updates
- Compatibility issues
How to solve the problem of battery draining quickly in Windows 11?
If you notice that your battery is draining faster than before in Windows 11, here are some solutions you can try:
Check power supply settings

To access the power supply settings:
- Click the battery icon in the taskbar.
- Then on “ power supply and standby settings”.
- Choose the power supply mode that suits you best.
By default, Windows 11 offers three modes: “Recommended”, “Energy Saver” and “High Performance”. You can also customize advanced settings by clicking “Additional power supply options”. We advise you to choose “Recommended” or “Power saver” mode if you want to extend the life of your battery.
Close greedy applications
To find out which applications consume the most battery, you can consult the task manager. For that :
- Right-click on the taskbar, then click “Task Manager.”
- In the “Processes” tab, you can sort the applications in descending order according to the “ Power Supply ” column.
You can then close the applications that consume the most battery by right-clicking on them, then clicking on “End task”.
You can also uninstall applications you don't need or limit their automatic startup in the “Startup” tab.
Turn off background updates
To disable background updates, you need to change Windows Update settings. For that :
- Click the “Start” button, then click the settings icon (the gear).
- Then click on “Update and security”, then on “Windows Update”.
- Click “Advanced options,” then uncheck the “Automatically download updates even if my connection is limited” box.
You can also choose when to install updates by clicking “Schedule installation”. However, we recommend that you do not disable updates completely, as they are important for security and proper functioning of the system.
Update your drivers and software
To avoid compatibility issues, it is advisable to update your drivers and software regularly. To update your drivers, you can use the device manager. For that :
- Right-click the “Start” button, then click “Device Manager.”
- Then right-click on the device you want to update, then click “Update Driver”.
You can also use software like Driver Booster which automatically scans your computer and installs the latest available drivers. To update your software, you can use the Microsoft Store or check if there is an update option in the software menu.
Good to know : If you do not have access to the internet, you can also install windows 11 without an internet connection using installation media (USB key or DVD) that you have previously created on another computer. To do this, you need to download the Media Creation Tool from the Microsoft website and follow the instructions.
Comparison table of power supply modes under Windows 11
Fashion | Brightness | CPU speed | Autonomy |
Recommended | Average | Average | Average |
Energy saver | Weak | Weak | High |
High performance | High | High | Weak |
FAQs
How do I know how much battery is left in Windows 11?
To find out how much battery is left in Windows 11, you can click on the battery icon in the taskbar. You will then see a percentage indicating the remaining level as well as an estimate of the time remaining before the battery is empty.
How to activate dark mode in Windows 11?
Dark mode is an option that allows you to display a black background instead of a white background on your screen. This can reduce visual fatigue and save battery life.

To enable dark mode in Windows 11:
- click the “Start” button, then click the settings icon (the gear).
- Then click on “Personalization”, then on “Colors”.
- Then choose the “Dark” option from the “Default application mode” drop-down menu.
How to optimize battery life in Windows 11?
To optimize battery life in Windows 11, it is recommended to follow a few simple tips:
- Avoid exposing your laptop to extreme temperatures (too hot or too cold).
- Avoid leaving your laptop plugged in all the time when the battery is full.
- Avoid completely draining your battery before recharging it.
- Use a charger suitable for your laptop model.
How to switch to airplane mode in Windows 11?
Airplane mode is an option that allows you to turn off all wireless connections (Wi-Fi, Bluetooth, mobile data) on your laptop. This can be useful when traveling by plane or when you want to save battery power. To switch to airplane mode in Windows 11, click the network icon in the taskbar, then activate the “Airplane mode” button.

How to restore factory settings in Windows 11?
Restore factory settings is an operation that erases all data and programs installed on your laptop and returns to the initial system settings. This can be useful if you have persistent problems or want to sell or give away your laptop.

To restore factory settings in Windows 11:
- Click the “Start” button, then click the settings icon (the gear).
- Then click on “System”, then “Recovery”.
- Click “Reset this PC”.
- Choose the option that suits you best.
You can either keep your personal files or delete everything. Please note, this operation is irreversible and may take time.
Conclusion
Windows 11 is an innovative operating system that offers many features and a modern design. But it can also cause battery problems which drain quickly for some users. power supply settings , closing power-hungry applications, disabling background updates, or updating drivers and software. These solutions can also help you boost the performance of your PC under Windows 11. If these solutions are not enough, you can also try switching to airplane mode, restoring factory settings or contacting Microsoft technical support. Windows laptop .