I am trying to rebuild a 486DSX,1OOMHZ CPU,the system will start to boot up,will show the WIN95 screen,then it will blink and return to a prompt,how can I get pass this,I have tried to type is setup at the prompt and cannot get pass this screen andhow do I run setup from the command prompt,it will not identify the cd rom.better yey can a miracle be forecoming.