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( ^' P# `0 H" T) a5 P$ g) A7 z- S1) 发出巨声: fan error. likely because some dirt gets inside. fan needs to be cleaned. not that dangerous. ( Q6 R! d# S. y& O
; s4 a) I/ y3 o2 y2)偶尔黑屏: LCD problem. I heard that it is a problem with the LCD backlight.
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My IBM has all the defects mentioned above, was repaired this April. I think it is the best way to tell IBM your problem and send your laptop to them to fix the problems