Visiteurs depuis le 28/01/2019 : 4942 Connectés : 1 Record de connectés : 91 Hi, I bought a Gateway MT3422 Laptop and I downgraded the system from vista to genuine Windows XP SP2. Everything works fine except for the audio. I installed KB888111 hotfix and the Sigmatel HD audio driver from Gateway, but it wont work, and in Device manager under the Sigmatel HD audio codec sign there is a yellow dot.