高手求解!!!

Cairo, the cradle of civilization, the Melting Pot of Ancient and Modern Egyptian Civilizations. It is the largest city in the Middle East and lies at the center of all routes leading to and from the three continents: Asia, Africa and Europe. It is the city where past and present meet. On its west side lies the Ancient Egyptian city of Memphis, and the site of the Pyramids, the only wonder surviving of the Seven Wonders of the World. Indeed, a journey through Cairo is a journey through time...

1.开机时，如果听到嘟、嘟、嘟三声各一秒地响--一般是内存条接触不好--松动或铜排上有异物，用橡皮擦试铜排，重装即可。
2.开机时，如果听到嘟、嘟、嘟三声各二秒（相对1长一点）地响---一般是CPU或显影卡出了问题，拆开后，用手按压CPU或显影卡IC时，如果能开机，说果是其虚焊引起的。