hello i have phenom x2 550 be i try to unlock the cores to make quad but when i did restart
everything was good but not boot to my windows i dont know whay i have before phenom x3 720
and i maked quad but now phenom 550 not work
Some chips are disabled because they are faulty, some are disabled just to meet demand. When you buy an X2 or X3, it's possible that the core is really faulty, or it's possible that they will work. It's really a gamble, if you needed a quad, you should have bought a quad.