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Is it bad to clean a computer with an air compressor?

post #1 of 14
Thread Starter 
Well I recently cleaned out my rig with an air compressor which doesn't seem to have harmed anything. I did blow out the fans which caused them to spin a lot, is this bad? Oddly enough the computer sounds slightly 'louder' than before, like it is moving more air, however I also installed 2 new gtx 670 evga ftw's but I don't think they are what is louder. It sounds like my cougar fans are spinning faster or something as they sound like they are working harder than before or something.
My Rig
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i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
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Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
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Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
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Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
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My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
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post #2 of 14
I wouldn't think it was a bad idea. Only thing that comes to mind is if the compressor blows out moisture aswell as air. Just keep an eye out when using it.
    
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post #3 of 14
If the fans spin really fast, while connected on the motherboard, the might cause an electric current and can damage your components. You can disconnect the fans from your motherboard and then blow them as much as you want.
I'm 99% sure that your new noise is coming from the cards.
The Steeler
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The Steeler
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post #4 of 14
Nothing bad will come from doing that.
The fans are probably just spinning faster now that they don't have to move through all the dust. Maybe the bearings were dusty before. Or maybe the dust just absorbed some of the sound if there were thick layers.
post #5 of 14
Actually when you spin your fans like that where you blow air on them, it will damage the fans. I think it is the bearings that get worn or something to do with the motor but blowing air on them and spinning them up is a big no-no. Best to just blow over them lightly or hold the fan in place and blow air over it but not in strong concentrated blasts.
post #6 of 14
Thread Starter 
Yeah, i did it in the back yard and I didn't notice any moisture at all. Wasn't really looking all that hard for it though. I did blow it out a bit before using it and it seemed fine, air was dry to the feel.

So next time I clean it just make sure I hold fan blades in place or disconnect them or what? Everything is running perfectly fine. Computer is great, just sounds a tad bit louder is all biggrin.gif

It probably is just the extra sound card(s)/ new cards. They run great. I did unplug my h100 which is in push/pull with 4 cougars in it while cleaning. If i didn't know any better I could swear they sound like they are moving more air now. Probably just my mind playing tricks on me though. Maybe just because the dust was cleared out the sound is more audible now like you said.
My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
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My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
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post #7 of 14
I've been blowing my pc out with my air compressor for years, never had a problem!
The only advice i can give you is go and buy youself an In line Air Compressor Water Filter With Regulator Water Trap, Just to be sure! thumb.gif
Pilgrim
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WD Caviar Black Seagate Barracuda 1 x Samsung SH-222A Corsair H100I 
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Pilgrim
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 6700k (4.8ghz@1.27v) Asus Maximus VIII Hero MSI GTX 980 Ti Twin Frozr 6G Corsair 16gb DDR4 Vengeance LPX 
Hard DriveHard DriveHard DriveHard Drive
Samsung 950 Pro M2  Samsung 850 Pro  Samsung 840 Evo  Samsung 840 Pro 
Hard DriveHard DriveOptical DriveCooling
WD Caviar Black Seagate Barracuda 1 x Samsung SH-222A Corsair H100I 
OSMonitorKeyboardPower
Windows 10 Pro x64 Rog Swift PG278Q Corsair K95 RGB Corsair AX860i 
CaseMouseMouse Pad
Fractal Design XL R2 Logitech G502 Proteus Core Logitech G440 
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post #8 of 14
Thread Starter 
Next time I will use a lower PSI too. I think I was using a bit too much pressure than I really needed. Oh well, nothing seems damaged or anything serious. Temps seem to have improved quite a bit too; I think it is because of better air flow though. These new 670's are rear exhausting which is how my exhaust is currently set-up on my HAF X case, intaking air from the side, front, and the top h100.

By the way the EVGA 670 FTW's are beast cards. I am crushing any game I want right now no problem basically.
My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
  hide details  
Reply
My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
  hide details  
Reply
post #9 of 14
Thread Starter 
I will look into it thanks! What sucks is in the winter I can't take the PC into the garage to clean it because the sudden temperature change causes massive condensation for some reason. Will have to invest in a smaller one I can use indoors. I hate using canned air to clean anything other than like keyboards and things like that.
My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
  hide details  
Reply
My Rig
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7 2700k@4.8GHZ Gigabyte UD5H Z77 EVGA GTX 670FTW 2GB X2 Corsair Vengeance 1600mhz 1.5V RAM 4X4GB=16GB 
Hard DriveHard DriveOptical DriveCooling
Western Digital 1TB HDD 7200RPM Caviar Black M4 Crucial 128GB SSD(boot Drive) LG Blue Ray Player Corsair H100 with 4 Cougar vortex fans push/pull 
OSMonitorKeyboardPower
Windows 7 Home Premium 64bit Asus VG278H 3D 120HZ monitor + VG248QE 144 HZ CM QuickFirePro(Cherry Brown) and CMquickFire R... OCZ 1000W Full Modular 80+Gold 
CaseMouseMouse PadAudio
Cooler Master HAF X 942 Cooler Master Recon PureTrak Talent + SteelSeries QCK Heavy Logitech Z623 
AudioAudioAudio
AKG Q701 Quincy Jones signature Creative ZXR Zalman clip on headphone mic 
  hide details  
Reply
post #10 of 14
I wanted to echo what somebody else suspected might happen and relate it as a truth: Compressed air blown through fans can easily damage bearings. There is nothing wrong with using compressed air to clean your computer though, provided you take precautions for two hazards:

1) Prevent fans from moving when cleaning it with compressed air. A screwdriver for grill-covered fans (PSU, etc) or your fingers for open fans work well.
2) Try not to drill vent ports on your HDDs with compressed air. HDDs are not hermetically sealed and while most have dust filters on the vent ports, compressed air has the potential to still cause damage there if you hit the ports too much with concentrated streams.
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