Do not worry, this post will guide you step by step for you to understand the problem and how to illuminate them.
First of all, it can happened in few reasons.
1. Windows ACPI-Compliant system compatibility issue.
2. Battery bios need to be updated.
3. Faulty charger.
4. Faulty battery.
In most cases, by updating the windows along with the battery bios will illuminate the problem;however, it will not solve if the issue with the adapter or the battery. In that case you will need to replace it. If you do not know or if you do not know how to update your bios, please contact our technical team and they are happy to help you.
If you would like to know how to recharge your battery more effectively, please go to How to Charge Laptop Battery page.