I have an acer acros pc dated from 1990 to 1995 , the p/n is 91.aa601.r01 and the s/n is 2600308461,ds.AA600.001,it has a classic pent. processor inside ,the problem i have is it does not reboot,when i unplug the keyboard it shows the bios,but when i plug it back in ,the bell is heard or sound, then I restart the system and it still will not reboot,what is my problem??
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