Having problems with your Sony VAIO VGN-FJ270/B Notebook ?

Cooling fan making lot of noise - Sony VAIO VGN-FJ270/B Notebook


Answers :

I have a VGN-BZ560.
My fan made a little noise, then it stopped, and recently it started to make all kinds of racket. I looked into different solutions, one of which was to use software to slow it down, but that would also make the laptop run hotter....not a good idea.
\015\012The second solution......Sony says that they will fix for free, but in my research I came across others that had sent their laptops to Sony to be fixed and soon after getting the laptop back, the noise started again.
Rather than go through that, I decided I'd try and diagnose the problem and fix it myself if I could. After taking it apart and taking the fan out, I then took the fan apart. Inside of it, on the motor side, there is the motor armature, and a brass piece in the center. Below the brass piece is a bronze bushing. This bushing is where the fan blade assy shaft rides. I noticed that the bushing, although held in place by the brass piece, could move A LOT from side to side. Being a machinist and having worked on motors large and small, I deduced that this was the problem. To fix it, I dipped a tooth-pick in super glue (I didn't have any loc-tite on hand) and put a small drop of glue on top of the bushing (centered by eye) so that the top of the bushing was glued to the brass piece holding it in. Once it dried, I added 2 more drops, taking care not to let the glue go into the bushing hole. Once I had it glued, I pushed the fan assy shaft into the bushing....made sure it was straight and didn't press too hard, then once in, made sure it could spin, then gently removed it again to check that the glue holding the bushing was still holding. It held, so I put the fan back together, then re-assembled the laptop. The result is that the fan still works, and the laptop is quieter than the day I got it.
\015\012Here is a link to a picture looking down into the fan armature.... http://farm2.static.flickr.com/1166/4724542021_21e03a8cfa.jpg
Hello

I solved a problem exactly like this a couple of weeks ago. Thee thing is, the fan spins at a certain amounts of rpm that would result in the sufficient amount of cooling needed for your system.

There is some programs that you can use to reduce the speed at witch the fan runs, thus reducing the noise, but then the system will not get sufficient cooling and the cpu might overheat.

The only solution i can give you that will not compromise the overheating of your system is to clean the fan you are using at the moment, i use compressed air. Hope this can help you.

Best regards
Repair Help & Product Troubleshooting for Sony VAIO VGN-FJ270/B Notebook

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