Sounds like a fan with worn out bearings or the heatsink is clogged. I would try blowing out the heat sink with compressed air.
The thinkfan package might give you better control (I have a t430). On 7 Nov 2014 11:57, "Noah Tellin" <thevillageg...@gmail.com> wrote: > Thanks again for the welcome and the attempts at fixing the external > hard drive problem at the meeting. > > I'm having another issue since earlier this year. > > At medium and low fan spin rates there is often a lot of whine and > apparent vibration. When the fans are spinning faster, I don't hear it > as much (the volume seems less and it does not always occur). > When I tap the laptop the vibration/whine seems to stop for a while > before recurring. To check if it was just other sounds covering the > fan noise at higher RPM, I played a video and paused it, while > watching the fan speeds (in Gkrellm) and listening. At higher speeds, > over 3000 RPM, I did not get the loud whine. > At medium speeds (in the 2000+ range) I often did, but not always. > Right now, at 1959 RPM on both, I hear some noise, but not the sound > of major vibration. > > Laptop: Lenovo ThinkPad T420i 4 gb RAM > OS: Linux Mint 17 Quiana > Temperatures are in the low 40s right now, but sometimes approach 50 c. > > Previously, I had Windows 7 something or other and Mint 14, the latter > was out of date. > > > Is this at all related to the BIOS or the OS, or is it a hardware problem? > > _______________________________________________ > clug-talk mailing list > clug-talk@clug.ca > http://clug.ca/mailman/listinfo/clug-talk_clug.ca > Mailing List Guidelines (http://clug.ca/ml_guidelines.php) > **Please remove these lines when replying >
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