It quickly dawned on Blessing that the laptop recognized he had installed a battery made by a third party, and rejected it. Itâs a classic example of a practice known as parts pairing , where manufacturers use software to control how â and with whose parts â their devices are fixed. âTo me, that is a garbage business practice,â Blessing told Grist. âYes, itâs legal for them to do it, but that is truly trash.â After the failed battery swap, Blessingâs wife wound up getting a
