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glynster

macrumors newbie
Original poster
Jan 4, 2016
15
9
I recently bought a new to me Mac Pro 5,1 and on opening it has more fuzz in it than a 70s porno movie. I dont think it has ever been opened. I gave it a quick blast with the air compressor - from about 2 feet as I was afraid I could damage it. Getting the hoover on it bothers me because of the static but then again I'm worried too much compressed air could damage it or drive the dirt deeper in. The CPUs literally had a beard each - maybe it's the ZZ-Top model - massive tufts of fluff growing out the fans. Amazingly the temps seem reasonable although I noticed in Mac fan Control app that the Intake fan is constantly at zero and marked in red. I have to get this dust off before I try fitting more ram - I did blow off the worst of it but it could really do with a more thorough clean - any advice? or do you think maybe the dirt is now holding it together - as my buddy calls it "load bearing dirt".
 

DEMinSoCAL

macrumors 603
Sep 27, 2005
5,090
7,367
I recently bought a new to me Mac Pro 5,1 and on opening it has more fuzz in it than a 70s porno movie. I dont think it has ever been opened. I gave it a quick blast with the air compressor - from about 2 feet as I was afraid I could damage it. Getting the hoover on it bothers me because of the static but then again I'm worried too much compressed air could damage it or drive the dirt deeper in. The CPUs literally had a beard each - maybe it's the ZZ-Top model - massive tufts of fluff growing out the fans. Amazingly the temps seem reasonable although I noticed in Mac fan Control app that the Intake fan is constantly at zero and marked in red. I have to get this dust off before I try fitting more ram - I did blow off the worst of it but it could really do with a more thorough clean - any advice? or do you think maybe the dirt is now holding it together - as my buddy calls it "load bearing dirt".

As an IT person for many, many years, I have always used an air compressor with a directional nozzle to blow out dust and dirt. OUTDOORS. For heavily soiled computers I blow the air from a bit of a distance, mostly to blow it out and away. Once I can see what I am doing, I get closer and blow out in all directions the power supply, fans, and interior parts.

I never point the high pressure directly at any electronic parts for any period of time. Just clean it. I've never had any issues.

Based on my personal experience you shouldn't have any problems. Canned air does not have enough pressure to do a thorough cleaning of the whole interior. They start to freeze up and before you know it, the can won't blow anymore.
 
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ScottishCaptain

macrumors 6502a
Oct 4, 2008
871
474
If you land up sucking, make sure you're using an ESD safe vacuum cleaner.

If you use a regular old household unit, there's a good change the hose won't be grounded. If you're sucking up any kind of insulator (like dust), you will build up a static charge that will happily cross a 1-2" air gap straight into the nearest conductor, which may or may not be an ESD sensitive circuit board. This happened to me once, and that particular piece of equipment never worked again.

-SC
 

Bytehoven

macrumors regular
Dec 1, 2015
190
69
Up Shellpot Creek
I use either a portable air compressor, or a small vacuum where the hose can be moved to in or out out flow.

Just make sure you do the dusting OUTSIDE. :)
 

Bubalight

macrumors member
Apr 22, 2015
38
18
I always use a compressor, I have never gotten anything even close to half as clean when attempting to clean it with a vacuum. The one thing to watch out for is that although it is fun blast fans and they do have a lot of dust, be careful cleaning the squirrel cage fans that are inside iMacs and some video cards. I've accidentally caused it to spin so fast that it exploded from centrifugal force. So with those it is best to blow gently or hold it stationary while you clean it.
And of course do it outside, on a windy day while standing up wind.
 

OS6-OSX

macrumors 6502a
Jun 13, 2004
950
759
California
I did blow off the worst of it but it could really do with a more thorough clean - any advice?
It should be clean enough to eat from! :p
Spring Cleaning.JPG
 

glynster

macrumors newbie
Original poster
Jan 4, 2016
15
9
Update & solved: I cleaned out the machine - the front intake fan was literally jammed with fluff (though not visually obvious) - hence why the fan control app was showing it as zero and its value in the app coloured red - it was also the cause of an intermittent beep/buzz sound I was hearing every 10 minutes or so - I thought that might have been a failing backup hard drive sound but now I realise it was a MOBO warning sound of some sort about the jammed fan. Thought I'd document this in case somebody in the future has a similar problem. I unplugged, removed my cpu tray for access and safety and very carefully placed the hoover nozzle against the front fan enclosure from inside the machine - after a few seconds it sucked out a couple of XL Furbies that had been jamming it and the fan started to spin due to the vacuum draft. When I replaced all and booted back up the fan span of its own accord, the computer ticking over fan sound now sounds a little more harmonious and more balanced and there is a great through draft - my temps were OK to start with but now they have come down approx 6 to 10 degrees all round. Thanks very much for the advice / encouragement.
 

firedownunder

macrumors regular
May 5, 2011
121
28
This thing.

http://www.amazon.com/Metro-Vacuum-ED500-500-Watt-Electric/dp/B001J4ZOAW

Loud, but does a great job. WAY better than those aircans.

I use a datavac duster - defineatly the best way to clean your pc as you won't have a chance of any water droplets like that from a can of compressed air.

http://www.unboxfresh.com/home-diy/datavac-electric-duster-ed-500-220-240v-demo/

Ditto. Bought one years ago, works like a champ. Use outdoors unless you like dust. :cool:
 
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raymanster

macrumors 6502
Feb 13, 2008
357
128
UK
I recently bought a 4.1 and don't think it has ever been cleaned. It's from an office environment.

Used a can of air duster which removed 90% of the dust.

The boards still have a very thin layer of dust, what do you guys use to clean this off?

Some before and after photos:

5c8cbdfe7726a5e28984f9ada6b3b4b2.jpg


32b457312e6d5cd00932b0f64f6656e5.jpg


9cd26a195ef97a373a32f50e42ba5bb5.jpg
 

jamesjingyi

macrumors 6502a
Dec 20, 2011
850
156
UK
I recently bought a 4.1 and don't think it has ever been cleaned. It's from an office environment.

Used a can of air duster which removed 90% of the dust.

The boards still have a very thin layer of dust, what do you guys use to clean this off?

Some before and after photos:

5c8cbdfe7726a5e28984f9ada6b3b4b2.jpg


32b457312e6d5cd00932b0f64f6656e5.jpg


9cd26a195ef97a373a32f50e42ba5bb5.jpg
A small brush might do the trick?
 
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raymanster

macrumors 6502
Feb 13, 2008
357
128
UK
Thanks for the suggestions, Datavac looks good but pricey. I'll try the cotton buds and a brush.

Another pic, this is what came out, bathtub was squeaky clean beforehand. I wrongly ignored advice to do this outside:

5c1cb7d3705aeb0d3c2b4be837534913.jpg
 

scott.n

macrumors 6502
Dec 17, 2010
339
78
I recently bought a 4.1 and don't think it has ever been cleaned. It's from an office environment.

Used a can of air duster which removed 90% of the dust.

The boards still have a very thin layer of dust, what do you guys use to clean this off?

Some before and after photos:

5c8cbdfe7726a5e28984f9ada6b3b4b2.jpg


32b457312e6d5cd00932b0f64f6656e5.jpg


9cd26a195ef97a373a32f50e42ba5bb5.jpg
:eek:!!

I purchased a 2009 Mac Pro recently with the same "office environment" provenance that was also dusty inside (though not as bad as yours). I think that it would be worth your time to remove the power supply and blow it out, too. A lot of dust can hide in there.
 

DanielCoffey

macrumors 65816
Nov 15, 2010
1,208
30
Edinburgh, UK
Remember to check behind the Optical Drive - there is a blanking plate on the rear wall behind it which can conceal a pile of fluff too and that will allow you better access to the PSU intake.
 

Machines

macrumors 6502
Jan 23, 2015
426
89
Fox River Valley , Illinois
I recently bought a new to me Mac Pro 5,1 and on opening it has more fuzz in it than a 70s porno movie. I dont think it has ever been opened. I gave it a quick blast with the air compressor - from about 2 feet as I was afraid I could damage it. Getting the hoover on it bothers me because of the static but then again I'm worried too much compressed air could damage it or drive the dirt deeper in. The CPUs literally had a beard each - maybe it's the ZZ-Top model - massive tufts of fluff growing out the fans. Amazingly the temps seem reasonable although I noticed in Mac fan Control app that the Intake fan is constantly at zero and marked in red. I have to get this dust off before I try fitting more ram - I did blow off the worst of it but it could really do with a more thorough clean - any advice? or do you think maybe the dirt is now holding it together - as my buddy calls it "load bearing dirt".

Unplug your System first .
Remove as many parts from the System as you feel comfortable with and blast everything with a compressor at 60 PSI from 6 inches away .
Observe ESD safety precautions , if necessary (with the memory , video cards, etc.)
Especially blast the PSU from both sides and all the heatsinks .
If you remove your CPU Tray for cleaning , observe ESD safety precautions and clean both interconnects . Perform this cleaning operation last, after you are done cleaning anything else . You never want any contaminants on an interconnect . Never touch an interconnect , either .
Before starting up the System again , let the System dry for an hour (if no moisture has been observed) , three hours (if light spray has been observed) or overnight (if liquid water drops have been observed) during cleaning . All compressors will shoot some amount of water out (even if you do not see it) - it is natural .
I've been doing this for years without any problem and my Builds are squeaky clean inside .
Never use a vacuum cleaner or hair drier to clean electronics . You will ZAP something .
Also, get a filter for the front of your cMP - they are available from TransIntl : http://www.transintl.com/mac*************ischmutz-air-filter.html
I would also visually verify all your case fans are spinning . Case fans rarely fail with Apple Professional Desktops - I've only seen three or four failures in the last 15 years .
I once talked with an user who had a PC server in continuous service for two decades . It was full of dust to such an extent it actually became a part of the chassis . He shut down the System because he was alarmed by it and cleaned it out . The System died right then and there . He waited too long :-(
 
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crjackson2134

macrumors 601
Mar 6, 2013
4,847
1,957
Charlotte, NC
Just take the top rack out of your dish washer, load the Mac and run a heavy duty wash/dry cycle. Make sure the side cover is off so it can really get in there. ;) I clean my Glock Mod. 22, iPhone, and the heat exchanger from my Roush supercharged Mustangs that way.

Of course I'm just joking here, don't do that!

Really good advice in this thread already.

I use filtered compressed air and dry overnight.

I also use the iSchmutz front filter as Machines mentioned. It helps but doesn't block everything.
 
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raymanster

macrumors 6502
Feb 13, 2008
357
128
UK
Yes I took out the optical drive cage and there was more dust! Even the DVD drive tray had a thin layer of dust. Cleaned it up a bit and the DVD drive works, ripped a couple DVDs no problem.
 

Mactrunk

macrumors regular
May 12, 2005
177
59
This sounds like a joke, but I've been using this procedure for many years with excellent results.

I use a lightweight electric leaf blower.

I open up the mac pro and place it "open side up" on a towel outside the house.
The pressure from the leaf blower is fairly diffuse but is still very powerful.
It is amazing to see the dust fly out... I just go in from different angles and the visual feedback is very clear.
You will know when there is no more dust.
I do this every six months or so.

The end result is a very clean machine.
 
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m4v3r1ck

macrumors 68030
Nov 2, 2011
2,608
559
The Netherlands
I dust it out every 3 months, to keep a clean machine, and NO smoking (and drinks & food) in my workspace. Every week a clean sweep of my whole workspace - desks and floor - helps to avoid a dust pile up in my machine.

I would also visually verify all your case fans are spinning . Case fans rarely fail with Apple Professional Desktops - I've only seen three or four failures in the last 15 years.

The INTAKE fan of my cMP 5.1 (2012) bought in 2014 is already failing! :eek:

@0:00 ~1250 RPM
@0:10 ~600 RPM
@0:20 ~600 RPM increase to ~2750 RPM @1:00

Sending it in repair for a new fan... Is it this why Apple's fans by default run at the lowest RPM? I discovered this fail when using Mac Fans Control, to lower the overall temperature in my cMP. See this thread.

Cheers
 
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MrAverigeUser

macrumors 6502a
May 20, 2015
895
397
europe
I dust it out every 3 months, to keep a clean machine, and NO smoking (and drinks & food) in my workspace. Every week a clean sweep of my whole workspace - desks and floor - helps to avoid a dust pile up in my machine.



The INTAKE fan of my cMP 5.1 (2012) bought in 2014 is already failing! :eek:

@0:00 ~1250 RPM
@0:10 ~600 RPM
@0:20 ~600 RPM increase to ~2750 RPM @1:00

Sending it in repair for a new fan... Is it this why Apple's fans by default run at the lowest RPM? I discovered this fail when using Mac Fans Control, to lower the overall temperature in my cMP. See this thread.

Cheers


Read a time ago that there are issues with the capacitators on the electric side ( NOT: electronic part!) here in the forum, sadly I don't find it, I know only that this came from a Pro living in HongKong.
These issues are normal, because thiese electric power capacitors always begin to fail after about 4-6 years because they run dry.
I learned that these electric capacitators die a lot faster when temperatures are high and/or air has high moisture concentrations.
Perhaps it is just that?

Until now I haven't cleaned my MP since 2009 - and everytime I open the MP there is definitely nothing worth to clean out...

Too much "cleaning" might also be contraproductive... Be aware that you also disseminate always air with high positive or negative pressure and that the air is not at all "clean", especially if you lifted up a lot of dust and re- inject it in the computer - perhaps even to parts which would neve had any dust on them without the irregular stream of your wild (too much) cleaning actions...
There is also a certain risk to damage the fans mechanically, I think...
Just my 2 cents...
 
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m4v3r1ck

macrumors 68030
Nov 2, 2011
2,608
559
The Netherlands
Read a time ago that there are issues with the capacitators on the electric side ( NOT: electronic part!) here in the forum, sadly I don't find it, I know only that this came from a Pro living in HongKong.
These issues are normal, because thiese electric power capacitors always begin to fail after about 4-6 years because they run dry.
I learned that these electric capacitators die a lot faster when temperatures are high and/or air has high moisture concentrations.
Perhaps it is just that?

Thanks for your reply,

The thread I mentioned is all about those capacitors and how they will dry up when the are constantly used at 'hot' temps. I'm by no means an electrical/electronics guy, so I depend on the more techie members here on MR. BTW my machine is only running for about 2 years now (new but open box) since I bought it in 2014.

Until now I haven't cleaned my MP since 2009 - and everytime I open the MP there is definitely nothing worth to clean out...

Too much "cleaning" might also be contraproductive... Be aware that you also disseminate always air with high positive or negative pressure and that the air is not at all "clean", especially if you lifted up a lot of dust and re- inject it in the computer - perhaps even to parts which would neve had any dust on them without the irregular stream of your wild (too much) cleaning actions...
There is also a certain risk to damage the fans mechanically, I think...
Just my 2 cents...

Worthy 2cts!

I never use high pressure air, but always go around gently. Because I have a regular maintenance I don't have to use a F5 windblow force to blow out the dust-pile. When blowing the fans, I always hold them gently and keep them in a 0-RPM state, therefore not forcing any rotation by the airflow. The sound you're hearing is from bad bearing - as I'm told - so called in and the INTAKE fan will be replaced.

Cheers
 
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