Learn how to diagnose and repair a blown fuse issue in a Lenovo Ideapad s145-15iwl laptop following a customer's screen replacement through this detailed repair tutorial video. Follow along with step-by-step troubleshooting techniques to identify the cause of the fuse failure, understand the proper repair procedures, and restore the laptop to working condition. Master essential laptop repair skills including fuse testing, component inspection, and safe repair practices that can be applied to similar electronic repair scenarios.