Laptop overheating and battery drain after installing Ubuntu 23.04 (Dual boot)

 Overheating and battery drain issues on a laptop after installing a new operating system, such as Ubuntu 23.04, are common and can be caused by various factors. Here are some steps you can take to diagnose and potentially resolve these problems:


1. **Update Your System**:

   Ensure that your Ubuntu system is up to date with the latest updates and patches. Run the following commands to update your system:


   ```bash

   sudo apt update

   sudo apt upgrade

   ```


2. **Install TLP**:

   TLP is a power management tool that can help improve battery life and reduce overheating on laptops. Install it using the following command:


   ```bash

   sudo apt install tlp tlp-rdw

   ```


   Once installed, TLP runs in the background and optimizes power settings.


3. **Check Graphics Drivers**:

   Ensure that your graphics drivers are correctly installed and up to date, especially if you have a dedicated GPU. You can use the "Additional Drivers" application to check for and install proprietary graphics drivers.


4. **Reduce Screen Brightness**:

   Lower the screen brightness or use power-saving settings to extend battery life.


5. **Manage Startup Applications**:

   Disable unnecessary startup applications that might be consuming resources. You can do this in Ubuntu's "Startup Applications" or by using the `systemctl` command.


6. **Monitor System Processes**:

   Use tools like `htop` or the System Monitor in Ubuntu to check for any resource-hungry processes running in the background. Terminate processes that are not needed.


7. **Check Power Settings**:

   Review your power settings in the Ubuntu system settings. Make sure your laptop is set to "Power Saver" mode when running on battery.


8. **Investigate Applications**:

   Some applications, especially those running in the background, can contribute to overheating and battery drain. Identify and manage applications that might be causing these issues.


9. **Clean Your Laptop**:

   Overheating can be caused by dust or debris inside your laptop's vents and fans. Consider cleaning your laptop's internals to improve airflow.


10. **Check for Hardware Issues**:

    If your laptop's overheating and battery drain problems persist, it could be due to a hardware issue, such as a malfunctioning fan or battery. In such cases, you may need to contact the laptop manufacturer or a technician for further inspection.


11. **Adjust Kernel Parameters** (Advanced):

    In some cases, adjusting kernel parameters or using specific kernel versions can help with power management. However, this is an advanced step and should be done carefully.


12. **Consider Downgrading**:

    If the issues persist and you suspect compatibility problems with Ubuntu 23.04, you might consider downgrading to a more stable or well-supported Ubuntu version until the issues are resolved.


Remember that the exact solution may vary depending on your laptop's hardware and the specific software configuration. Start with the basic troubleshooting steps and proceed to more advanced solutions as needed. Additionally, the Ubuntu community forums can be a helpful resource for diagnosing and addressing specific laptop-related issues.

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