Dell Error Message: Warning: This battery cannot be identified. This system will be unable to charge this battery.
This issue is common among Dell laptops when installing third party hardware such as laptop batteries. To fix this, you need recalibrate your battery. You can find out how to recalibrate your laptop battery or follow the steps below:
1. Run the laptop with battery power only until the battery is completely empty
2. Remove the battery from the laptop
3. Press and hold the power button for 15 seconds then release
4. After a few hours, put the battery back in and charge overnight with the computer still off and unplugged
5. Power on the laptop
If the issue still persists, you may need update your Dell BIOS driver