Only a regular pencil hides a powerful fix for faulty LED lamps. This unexpected hack taps into the graphite core to restore connection points and revive unlit bulbs in seconds. No special tools, no ...

Got a flickering LED lamp? No need to replace it—just grab a pen! In this video, we’ll show you how to use a common pen to fix your LED lamps in a few simple steps. This quick, low-cost trick will ...