A BMS reset won’t fix physical battery failure. Look for these signs:
The process of resetting your BMS laptop battery varies depending on your laptop model and manufacturer. Here are the general steps: How To Reset Bms Laptop Battery
: Insert a paperclip and hold the internal button for 15 seconds . A BMS reset won’t fix physical battery failure
If a battery is "dead" (showing 0% or "plugged in, not charging"), the BMS chip may have permanently locked itself to prevent a fire hazard from over-discharged cells. How To Reset Bms Laptop Battery