Question Need help regarding laptop Battery.

Aug 3, 2021
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Today I was using my laptop on battery when it went to 20% it activated battery saver after 2-3 minutes it turned off. After That when I plugged my adapter in it wont charge. For 5 minutes or so the charging indicator stays Orange and middle of that white light blinks and after that white indicator keeps on blinking. I have tried many methods uninstalling battery driver and using HP support, the HP support says no battery is found. Did my battery all on a sudden die by going to 0%? My adapter is working fine my laptop is turing on just the battery won't charge.
P.S: I am using a HP pavilion Notebook