Memory slot tabs are broken and RAM is held in place with little bit of dough (i think)I will try to remove ALL ram one pair to see if the helps and will add CPU directly to board...

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The RAM must be installed in matched sets of four. If you're only installing a pair, that is a part of the problem. However, if the speaker is working, I think you would get an audible error code with a pair of SIMMs installed, if the motherboard is otherwise functional...