$ 0 0 Hi: Please see these related threads... http://h30499.www3.hp.com/t5/Business-PCs-Compaq-Elite-Pro/DC5800-WIN7-x64-and-problem-with-restart/m-p/6173175#M95369 http://h30499.www3.hp.com/t5/Business-PCs-Compaq-Elite-Pro/DC7600-DC7700-DC7800-hang-on-restart-w-Vista/m-p/919270/highlight/true#M66712