There could be several reasons why a laptop is not charging after a power surge. Here are some possible explanations:
Power adapter damage: During a power surge, the power adapter that connects the laptop to the electrical outlet may have been damaged. Check the adapter for any visible signs of physical damage such as frayed wires, bent pins, or a burned smell. If it appears damaged, it may need to be replaced.
Battery damage: The laptop's battery might have been affected by the power surge. In some cases, a power surge can cause damage to the battery or its charging circuitry, preventing it from charging properly. You can try removing the battery (if it's removable) and plugging in the laptop directly to see if it powers on. If it does, it could indicate an issue with the battery.
Charging port damage: The power surge could have caused damage to the laptop's charging port. Inspect the charging port for any visible signs of damage, such as bent or broken pins or debris obstructing the connection. If the port is damaged, it may need to be repaired or replaced by a professional technician.
System protection mechanisms: Many laptops have built-in surge protection mechanisms to safeguard against power surges. In some cases, these mechanisms may have been triggered during the surge, causing the laptop to temporarily disable charging to prevent further damage. Leaving the laptop unplugged for a while and trying again later might resolve this issue.
Internal component damage: A power surge can cause damage to various internal components of a laptop, such as the motherboard or power management circuitry. If the laptop doesn't show any signs of life or charging activity, it's possible that critical components were affected. In such cases, professional repair or assessment may be necessary to identify and resolve the issue.
If you've ruled out simple solutions like trying a different power outlet or using a different power adapter, it's recommended to consult a professional technician or contact the laptop's manufacturer for further assistance. They can provide specific guidance based on the make and model of your laptop.