Intel has extended the warranty period on its 13th- and 14th-gen Core desktop chips for an extra two years, the company said late Thursday, in an attempt to reassure customers that they could buy with confidence. Normally, Intel’s warranty terms for its 13th- and 14th-gen Core processors cover three years. If you’ve purchased either a boxed processor or a system from a PC maker, Intel guarantees that that chip will conform to the company’s specifications and will be free from defect. Now they’re covered for five years total. Why? Everything changed when problems were discovered with Intel’s la…