Loud noise coming from fan

windows8

Power Abuser
Power User
I was just taking apart my desktop and cleaning it up/blowing off the dust using a pressurized air gun (not too pressurized), and now that I have the nuts and screws back on, I plugged it in and the loudest noise began to come from the cooling fan.

It sounds as if theres something hitting the fan as it turns, this only happens on start-up for about 5 seconds as the fan blows at full speed. I did a visual inspection and there was nothing close to the fan, all wires were tucked away. What should I do?
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion G6
    Memory
    750GB HDD 6GB RAM
    Graphics Card(s)
    AMD A6-3400M APU with Radeon HD Graphics
    Internet Speed
    25mbps

Cytherian

Vista Guru
It's possible that when you blew compressed air through the cooling fan, some grit/debris inadvertently got into the fan motor pinion. It should eventually work itself out, but if it's stubborn then try blowing more compressed air. You might also want to check if there's a lubrication port somewhere on it (some of these fans are completely maintenance free, but some can be lubricated).
 

My Computer

System One

  • Manufacturer/Model
    HP Pavillion dv5t
    CPU
    Intel Core Duo 2.53GHz
    Memory
    4Gb
    Graphics Card(s)
    NVidia GeForce 9600M GT 512Mb
    Screen Resolution
    1280x800 32bit
    Hard Drives
    Seagate Momentus XT 500Gb
    Hitachi Travelstar HTS543225L9A300 250Gb
    Mouse
    Microsoft 4000

windows8

Power Abuser
Power User
Good idea, never thought about debris getting in there. i'll clean it up again tomorrow.
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion G6
    Memory
    750GB HDD 6GB RAM
    Graphics Card(s)
    AMD A6-3400M APU with Radeon HD Graphics
    Internet Speed
    25mbps

windows8

Power Abuser
Power User
It doesn't look as if theres anything in the way.. I accidently put my hand in the fan and broke off two of the blades (lol). Now the noise is on and off. Is breaking the rest of the blades an option for stopping the noise? You know, like those new Dyson fans.
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion G6
    Memory
    750GB HDD 6GB RAM
    Graphics Card(s)
    AMD A6-3400M APU with Radeon HD Graphics
    Internet Speed
    25mbps

wither 3

Vista Guru
Gold Member
I've heard of the "blank" hitting the fan but never a hand. :D

I don't think that breaking off fan blades is a good idea. It might solve the noise problem but, now it would be useless for cooling.
 

My Computer

System One

  • Operating System
    Vista Home Premium 64 bit SP2
    Manufacturer/Model
    Cyberpower
    CPU
    Intel Quad CPU Q6700 2.67 GHZ
    Motherboard
    NVIDIA 780i
    Memory
    4 GB
    Graphics Card(s)
    MSI GTX 560 TI Twin Frozr
    Sound Card
    Sound Blaster SB Audigy
    Monitor(s) Displays
    Viewsonic VG2436
    Screen Resolution
    1920x1080p
    Hard Drives
    Samsung HD 105SI
    WDC WD20
    Case
    Apevia XJupiter
    Cooling
    air
    Mouse
    Logitech MX 600
    Keyboard
    Logitech MX 3200
    Internet Speed
    30 Mbps

windows8

Power Abuser
Power User
The noise only is at start-up when the fan is going at full speed, after that it slows down and spins at regular speed. Honestly if this noise continues I will end up with "blank" hitting the fan, the wall, and the customers.

The computer doesn't need to be cooled down, the most action its ever gotten was when I had two word documents open at once with google chrome in the background.
 

My Computer

System One

  • Manufacturer/Model
    HP Pavilion G6
    Memory
    750GB HDD 6GB RAM
    Graphics Card(s)
    AMD A6-3400M APU with Radeon HD Graphics
    Internet Speed
    25mbps

Cytherian

Vista Guru
I would just get a replacement fan. It's not a good idea to run a computer without a properly working fan. You just never know when temperature tolerances might be breached and ruin hardware. Fans are cheap. CPU's and motherboards are not! :)
 

My Computer

System One

  • Manufacturer/Model
    HP Pavillion dv5t
    CPU
    Intel Core Duo 2.53GHz
    Memory
    4Gb
    Graphics Card(s)
    NVidia GeForce 9600M GT 512Mb
    Screen Resolution
    1280x800 32bit
    Hard Drives
    Seagate Momentus XT 500Gb
    Hitachi Travelstar HTS543225L9A300 250Gb
    Mouse
    Microsoft 4000
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