x300 making weird noise

Noise is best heard in the beginning of the video and up to its first half.
Even this sounds horrific, it's your fan that's making the noise, I took care of this problem by replacing the fan. So don't panic and just take it to your support center, or you can take a look at:
www.thinkwiki.o...
Also it may sound too quiet on this video, but it tends to get much louder at the times
Original source:
forums.lenovo.c...