Recently I started doing less advanced tasks on my computer, so I switched my W520 to normal mode (without turbo boost).
And its all started ... From the slight fan noise, the annoying squeaking began to break through.
Its drive me nuts.
What is the most common cause of such a sounf? I suspect that replacing the cooling system with the new one will not help at all?
Is more CPU, motherboard? My w520 is equipped with q2000m. In windows login window when we can select users, this sound is even more agressive and annoying!
Fortunately, there are just a few moments in the day. Will changing CPU help something? Cooling system? It is comes from the CPU/GPU area...
Help! I was thinking about change computer, but Im affraid new one could have the same issue and I'm going to waste lots of money (W520 is enough for me).
Sorry for my sill questions, Im not a computer geek/programmer etc.
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"My W520 makes a somewhat whiny noise (not really a whine, just a...noise...) from the CPU area of the machine, but it is not the fan. Only happens on battery, not on AC. Make the machine busy doing things, enough that the CPU speed ramps up a bit, and the noise is gone. If it's in any sort of lower power state such as idling at the low end of SpeedStep, it will make the noise if you try to make it do something which isn't intensive enough to ramp up the CPU again.
Disabling assorted power management configuration will make the noise go away, but it will also burn your lap and get 14 seconds of battery life (that's an exaggeration, of course)
I've had two motherboards, by the way - identical on both."
this was from the lenovo forums, hope it helps. Need to read up on the rules on links, so I'm just going to put the title of the thread for now.
Lenovo Support Forums
Name: W520 Noise
Page 2, 2nd to last post.
Lastly, all credit to kishy for his explaination.
Im using my unit on the docking station (with battery in). Iv tried two different PSU (i have one for the docking and one for travel). No change. I believe 2 months ago i cleaned everything and put some arctic cooling silver on it. Will try soultion with the battery later... Thanks for input.
I have a crazy idea but who knows.
When I took apart my t61, i managed to pinch the speaker cable between the frame and the plastic. It partially severed the cable.
This resulted in a really high pitched noise that happened sporadically. Test if it depends on speaker volume.. Seriously though it might just be it.
But even before that I experienced no abnormal fan noise, or even any noise at all.
T510 i5 4384-DV7
T510 i7 4349-A64
T520 i7 4242-4UU(CTO)
T520: i7-2760QM(2.40GHz),16GB, 500GB SSD/500GB 7200 Drive, 1600x900, 1GB NVIDIA, DVDRW, Smartcard, media card, FPR, Win7 Pro64, whitelist BIOS, N 6300 AGN, German KB, BT 4.0.
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