回複：Here are a few clues.

來源: NaCl 於 2010-01-04 10:09:26 [] [舊帖] [給我悄悄話] 閱讀數 : (218 bytes)

1. CPU fan, especially it is wrapped with dust.
2. Case fan.
3. Power supply fan
4. Video card fan if any.
5. Old or bad hard drive.

Make sure all those fans are clear off any wires and lines.

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