As I understand US law, warranty providers are required to honor the warranty even when unauthorized/improper repairs or modifications have been made unless the

As I understand US law, warranty providers are required to honor the warranty even when unauthorized/improper repairs or modifications have been made unless they can show that the failure was caused by the improper repair. http://en.wikipedia.org/wiki/Magnuson%E2%80%93Moss_Warranty_Act http://en.wikipedia.org/wiki/Magnuson%E2%80%93Moss_Warranty_...