Dells proprietary charger is the worst. They have a cable dedicated to insuring the use of original chargers, which appears to be especially prone to breakage.

Dells proprietary charger is the worst. They have a cable dedicated to insuring the use of original chargers, which appears to be especially prone to breakage. If it does, your XPS won't charge anymore, but it still gets power. I managed to repair my charger, but it was a real clusterfuck.