Hello everyone. I really need some help. I ordered a motherboard/cpu combo (MSI-6558 and 1.7ghz celeron)and I have a little problem. When I first installed the motherboard in the case, I just screwed it directly to the metal plate, and when I tried to turn pressed the power switch on the front of the case, only the fan came on, with no light on the front of the case illumination and nothing showing on the monitor screen, no POST, nothing. I tried to cut the power off by pressing the switch, then pressing and holding it, but it would not cut the power. I found out later that I was suppossed to place to mobo on plastic retainers to keep it off of the metal. I tried that after I was told to remove all components (CPU, RAM) and reset the CMOS, but the same thing occured; no lights on the case, and only the fan whirling). Also, I have no PCI or AGP adapters installed as everything is intergrated. If I cut the power on with the case switch, why won't it cut it off? Is this board dead? Plus, on my heatsink, there is a small black patch roughly the size of the cpu chip, was that to be removed, or is that how the themal process is dissipated?
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I wouldnt say your motherboard is fried - I just installed a new P4 system and was having the same problem - All of the fans spin up but the machine does not boot - no POST or output to VGA. The motherboard was shorting on the case on the mounting screws, so I would double check that. As for the heatsink the black tape is for thermal transfer between the processor and heatsink.
if my pc is not doing a memory check, what could be the problems? i am not getting any video on the screen, but the fan spins, lights turn on. it was working before i replaced ram, i put the old ram back in now and it still does not work. it is a very old computer, if that helps.