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Proper insertion of the CPU and other parts
If the board does not boot up at all but the FANs are working it may be that the CPU is
incorrectly seated in the motherboard. Also, if using an AGP graphics card, verify that it is
seated correctly. Try without the AGP card screwed into the case, this can sometimes cause
the AGP card to rest in the slot at an angle. Also try reseating your DIMMs (Press them into
their sockets firmly, but do not apply too much force)
My machine does not boot, FANs turn on, but the floppy light just stays on
Your floppy disk cable may be connected the wrong way round. Try reversing it. If this
doesn't help check the floppy drive ribbon cable. At one end of the cable, seven of the
strands should be split and twisted compared with the rest of the ribbon. If not, and your
cable is completely flat throughout, then you need to get a ribbon cable with a "twist" in.