What Electronic Devices Are Damaged by a Lightning Strike?

A direct or nearby lightning strike sends an enormous electrical surge through a home's wiring. This sudden voltage spike, far exceeding what household circuits are designed for, instantly overheats and fries delicate internal components. The damage often occurs in microchips and circuit boards, rendering a device inoperable. The surge can enter through any conductive path, including cable TV lines, telephone wires, and Ethernet cables connected to your equipment.

The destructive energy does not need a direct hit. A strike on a utility pole or transformer blocks away can still send a damaging pulse into your home. Surge protectors offer some defense against smaller surges, but a massive lightning-induced spike can overwhelm them. The most certain protection is to unplug devices completely before a storm begins.

First, ensure everyone's safety. Do not touch electronics if you see smoke, sparks, or smell burning. If it is safe, go to your main electrical panel and turn off the power. This can prevent further damage from any lingering electrical instability. Check for other hazards like smoke or the smell of burning wire, which could indicate an electrical fire hidden inside walls.

Do not attempt to plug in or turn on devices to 'see if they work.' This can cause further damage or pose a shock risk. Visually inspect outlets and power strips for discoloration or melting. If you discover water damage from a storm-related leak or from fire sprinklers, avoid the area and contact qualified professionals for water extraction and structural drying to prevent mold.

For electronics themselves, a specialized electronics restoration service may attempt data recovery from computers or repair certain high-value items. However, many consumer electronics are often more cost-effective to replace. The more significant need for pros arises from secondary damage. If the lightning strike caused a fire, you need fire damage restoration. If it caused a roof leak or pipe burst, you need emergency water extraction and drying.

Water from storm damage can ruin flooring, drywall, and insulation, creating a perfect environment for mold growth within days. Local water damage pros have the equipment for thorough moisture mapping, structural drying, and dehumidification. They can also handle the demolition and removal of water-damaged flooring or drywall. Addressing this quickly protects your home's structure and air quality.