Work through these solutions in order. 90% of users will solve the problem by Step 3.
This is dangerous, so use extreme caution. This step helps you determine if the module is dead or if the motherboard is dead. xtool security verification failed
Internal EEPROM (memory) on the laser’s mainboard can sometimes corrupt. This is rare but happens after unexpected shutdowns or static electricity shocks. When the config corrupts, the machine forgets its own safety thresholds. Work through these solutions in order