I have an Acer Aspire 5100 and it used to have a single not dual amd turion 64 2.0 ghz cpu socket s1. i bought a amd turion ii ultra 2.5 ghz socket s1. I installed the cpu and turned everything on. The power light and fan look and sound like they are running but the monitor wont turn on. i switched to the old cpu and the monitor turns back on but not with the new cpu. I dont kow whats wrong with it and why the monitor wont turn back on with the new cpu. Please help