W500 - Very Loud Fan

Hi, I sent my W500 in for service because it seemed to be running very hot during my 8 hours of use daily. I also was getting a memory parity error every couple of days. Lenovo replaced the system board and the fan. Problem is the system sounds like a jet engine the entire time it's running now. Anyone experience this or know what it is and is there something I can do to correct it rather than returning it again for service? Thanks

 

Sorry for the dupe posting.

 

Unfortunately, the level of professionalism from "techs" (if you can even call them that anymore) has become so low that you can't assume anything - even that they actually replaced your fan and board with a good unit. It's entirely possible they replaced it with a refurb board/fan that was probably bad to begin with, but didn't show on a diagnostic test as being bad (intermittent). It was then put into the parts replacement system.

Also, some people won't take the time to clean a system either. Early in my career, I was taught to always leave a system that I worked on better than it was when I began working on it. Every system I've ever worked on since that time I have always cleaned, fixed, and essentially made it look as much like new as I could. I know that not everyone does that because of the comments I've received over the years from clients/customers that they had never gotten a system back in such good condition.

You should be able to determine if your system was fixed with new or refurbished parts.

The other option is to get the service manual for your system, and follow the instructions to pull the top cover and see if they cleaned the dust/dirt out. If they didn't, it's likely that dust/dirt was dislodged during the repair process and has found its way to the impeller blades/bearings of the fan and you need to blow it out. Another possibility is that they left something inside your system that has found its way to the fan - it depends on the type of sound.

Bad bearings / motor brushes are pretty easy to determine - the fan emits a high-pitched whine which raises and lowers in pitch as the fan speeds up/slows down.

Debris in the fan (or near it) will sound like it's grinding sand or small rocks. Think about what a blender sounds like when it's running and grinding down stuff, only at a much lower volume.

Paper near a fan will often sound like a playing card does when it hits a fan, a flapping type noise, if it's in the right position.

Of course you could always roll the dice and send it back to them - by rights, they failed to repair your system, and depending on where you live it gives you specific consumer rights for redress - but there is usually a finite time in which you must act to exercise those rights.

 

You could try tpfancontrol, to lower your fan speeds...
http://www.staff.uni-marburg.de/~schmitzr/donate.html

But also monitor your temps with HWMonitor, to make sure lowering your fans isnt making your components overheat.
You want your...
CPU <70C
GPU <90C
HDD <60C
http://www.cpuid.com/hwmonitor.php

 

Thanks for the info. I think it sounds more like the high/low pitched noise CyberVisions mentioned - in which case, I'll be sending it back in. I would find it hard to believe the tech didn't hear this sound before boxing the system back up and returning it.