I have yet another problem forget to ask earlier , thought might me temporarily happening so afraid to ask so many questions at a time earlier.But now suspicious and worried.MY system starts suddenly by pushing the UPS button on, without even touching the Power button on the CPU, It starts for a second or two and than shut offs ,than I press the ON button and it starts normaly,why this happens please help,I know that I have already asked many questions,now help me again.Here the earlier mechanic told it happens sometimes when using and UPS.I know this is not the case.