1. yonyz

    GA-H55M-D2H + GT 520 - 1156 users this is for you

    Hi, It took me a few days and dozens of attempts to get my mouse and keyboard, both USB, to work in the Mavericks installation. This has to do with USB Legacy support in LGA 1156 CPUs. I have a GIGABYTE H55M-D2H motherboard, but this should work for all (GIGABYTE) motherboard of LGA 1156...