CPU usage 100%. Help.

The Task Manager shows that the computer CPU usage is 100%. My laptop gets so slow and noisy. I used Norton and Ad-Aware to search for virus or spyware but they found none. I have no idea how CPU is used up like this. Can some experts here give me some clue?

Thanks a lot.

所有跟帖： 

• task mgr裏選process,殺掉或上網查那最忙的 -肚裏蛔蟲- ♀ (0 bytes) () 03/13/2005 postreply 12:04:39

• It's system idle process.. -LaptopCPU- ♀ (99 bytes) () 03/13/2005 postreply 13:19:52

• that is how it is -ppzcgg- ♀ (0 bytes) () 03/13/2005 postreply 15:42:34

• it means 80% of the cpu time -Grant- ♂ (45 bytes) () 03/14/2005 postreply 07:41:48

• 有時候是Norton那嘎嗒引起的。 -SDTQ- ♂ (88 bytes) () 03/13/2005 postreply 12:54:40

• 無知，真是無知 -不懂不要亂說- ♀ (34 bytes) () 03/13/2005 postreply 14:13:45

• 如果你沒有碰到過，別這麽說。 -狂妄不好。- ♀ (0 bytes) () 03/13/2005 postreply 15:24:37

• 無知，真是無知 -不跟你計較- ♀ (0 bytes) () 03/13/2005 postreply 22:23:13

• 贏不了人家就夾著尾巴逃跑了，鄙視你！ -Grant- ♂ (0 bytes) () 03/13/2005 postreply 23:15:20

• 看看進程再說話為什麽還要說人家無知？沒看你也不知道是不是 -Grant- ♂ (14 bytes) () 03/13/2005 postreply 23:14:31