HiWhen power on - CPU fan works, graphic card fan works,PSU fan works,. DVD RW opens. Mouse & keyboard transmiter not working,DVD ROM not openning and i cannot hear hard drive working.Monitor is ok, cable ok, I replaced 350W PSU whith 300W in working order then reconnected every possible connetions in the box incl.reseated RAMS, CPU and replaced AGP graphic card with new one, but no luck.OS Windows XP SP2, Processor-3gH Intel Pentium 4, 8Kb primary memory cache,512Kb secondary cache.Thank You for your time
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