KaiserPhantasma

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Nov 16, 2013
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I am about to "preliminarily" clean my PC case and it's various other parts (mobo,ram,CPU heatsink, fans etc) and I have a couple of lingering questions:

1. Can I use a material similar to a shoe brush, it's hairs are approximately 4-6 inches, will it induce an ESD shock to the component or do I need to use something else?

2.When using a blower, do I need to use it in short bursts and point it from afar? (using a "Aspirator Blower", I dunno what that is that was also just suggested to me

3.Can someone point me to a GPU disassembly video? specifically MSI's twin frozr III 7970 edition? I am not confident to disassemble it by my own but I have no one else to entrust the task of cleaning it up? The video would be a very helpful as a reference for someone like me inexperienced in GPU disassembly... but I can take apart and clean my CPUs heatsink (Noctua NH-D15) with confidence so I guess that should give you an estimation with my disassembly "capability"

4.Can I still use the thermal paste from my Noctua from 6 years ago? will it be just OK or will it have issues?

Suggestions,Tips,Advises are greatly appreciated
 
1. Natural bristled brushes(horse hair) are less likely to carry a lot of static. Synthetic fiber brushes are likely to carry more static and should be avoided unless they are specifically made for cleaning electronics. Most people don't use brushes. (see point 2) I'd say it's a good idea for heat sinks but avoid contact with PCBs without doing a lot of extra research. Anti-static brushes do exist.

2. A data-vac duster is the ideal method of blowing out a computer. Any compressed air source would be fine. A lot of people balk at the price tag on the duster but they last a long time and are just as effective as canned air. Most importantly they don't run out. Use short bursts. Make sure you hold fans still as spinning them really fast can mess up the bearings.

3. You probably don't need or want to disassemble the GPU. Just use your air source to blow it out. If you do decide to pull the heat sink off. You could very easily damage the thermal pads...they are fragile. So I would go ahead and get some spares before hand. And make sure your thermal paste is non-conductive. If you aren't sure, get new paste.

4. Thermal paste is generally pretty cheap. If you aren't sure about it, get something new. Check with Noctua about the longevity/shelf life of their paste. Assuming it's been stored in a cool dry place with the cap properly secured. It might be okay.

5. Use an anti-static wrist strap clipped to your case. Moving air can generate lots of static in a dry environment particularly when large amounts of dust are involved. That lightning during volcanic eruptions is static discharging. (all lightning is technically static discharging but volcanoes are more relevant and visual example in this case.)

6. Take your time. You might want to consider getting an anti-static mat. If you are swapping paste out get some lint free alcohol wipes or lint free cloths with a bottle of isopropyl alcohol. Higher the percentage the better.

bonus. PPE. Wear safety goggles and a mask to keep dust out of you throat and eyes. You don't know whats in that dust. (most people don't pay any attention to this. Thus ... bonus.
 

KaiserPhantasma

Distinguished
Nov 16, 2013
411
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1. Natural bristled brushes(horse hair) are less likely to carry a lot of static. Synthetic fiber brushes are likely to carry more static and should be avoided unless they are specifically made for cleaning electronics. Most people don't use brushes. (see point 2) I'd say it's a good idea for heat sinks but avoid contact with PCBs without doing a lot of extra research. Anti-static brushes do exist.

2. A data-vac duster is the ideal method of blowing out a computer. Any compressed air source would be fine. A lot of people balk at the price tag on the duster but they last a long time and are just as effective as canned air. Most importantly they don't run out. Use short bursts. Make sure you hold fans still as spinning them really fast can mess up the bearings.

3. You probably don't need or want to disassemble the GPU. Just use your air source to blow it out. If you do decide to pull the heat sink off. You could very easily damage the thermal pads...they are fragile. So I would go ahead and get some spares before hand. And make sure your thermal paste is non-conductive. If you aren't sure, get new paste.

4. Thermal paste is generally pretty cheap. If you aren't sure about it, get something new. Check with Noctua about the longevity/shelf life of their paste. Assuming it's been stored in a cool dry place with the cap properly secured. It might be okay.

5. Use an anti-static wrist strap clipped to your case. Moving air can generate lots of static in a dry environment particularly when large amounts of dust are involved. That lightning during volcanic eruptions is static discharging. (all lightning is technically static discharging but volcanoes are more relevant and visual example in this case.)

6. Take your time. You might want to consider getting an anti-static mat. If you are swapping paste out get some lint free alcohol wipes or lint free cloths with a bottle of isopropyl alcohol. Higher the percentage the better.

bonus. PPE. Wear safety goggles and a mask to keep dust out of you throat and eyes. You don't know whats in that dust. (most people don't pay any attention to this. Thus ... bonus.

Thank you for the reply, I'll also reply in numbers as to not mix things up

1. Only have synthetic brushed :( not sure if I should proceed anymore but I did have a look at it and yeah... has some fair bit of work to do but with the proper brush (do you have any ideas?) just throwing it out there how about a tooth brush? then I guess those are synthetic so they are right out of the running from the start

2. Can't find it in our place (I don't live in the US) though I can order from newegg,amazon cause they just struck a deal to deliver to countries they didn't deliver before I don't think it'll make it in time for me to use and clean this week/month, maybe I'll have to compromised for now and just buy 2 cans of compressed air from the computer shops and facepalm for contributing to the "environment destruction"

3. I see, more of a wait and see approach, if the air can clean it out why bother taking it apart unless I am replacing the thermal paste and pads or ???

4. Had a look at their site and there is no sort of expiration after it's used... but I did email their support for good measure, this is the link of the NT-H1 specs that I looked at https://noctua.at/en/nt-h1-3-5g/specification and yes it's been stored back to its box on room temperature and away from direct sunlight (the NH-D15 box and another big box that it's stored in) though "slightly" humid thanks to our country location but maybe it'll not have that big of an effect on it... we'll see on the reps replay maybe?

5. Don't have one even for sale, maybe I'll just touch something metallic first (bare metal not painted metal) before I get to work as to "reduce/nullify" ESD (or at least that's what I am told)

6. Same reason as number 5 but still thanks for reminding me to use isopropyl alcohol/alcohol wipes/lint free cloths but if I remember when I first installed the cooler and had to clean the surface of the processor I think I used a micro fiber or maybe kitchen towel not sure

7. Does cleaning the I/O shield help clear up electric grounding towards the audio inputs? had a mic go bad and I am suspecting it's the dust that's casuing the havoc

for the bonus thank you again for the reminder and yes I kinda remembered i kinda cough a bit too hard for comfort while close to the unit when I was upgrading the cooler so maybe a mask this time and a goggle if I find one


and again thank you for your reply
 
1. Synthetic might be okay. Maybe brush it across some exposed metal every once in awhile to help dissipate the charge.

2. Cans of compressed air are fine too. They are mostly recycleable, just don't throw them in a fire, ever.

3. Exactly, if your temps are fine without taking it apart then it'll probably be fine.

4. If it's not too much I'd just buy some new stuff. 6 years is a long time. And it's not too expensive. (relatively speaking.

5. touching the edge of the case will help you just like the brush. I would always make contact with the edge of the case before making contact with anything inside the case.

6. I suggested lint free because it'll be less likely to leave behind fibers. A kitchen towel or microfiber may not be "lint free"

7. Cleaning the IO shield is not a bad idea but I doubt it caused your mic to go bad.
 

KaiserPhantasma

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Nov 16, 2013
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1. Synthetic might be okay. Maybe brush it across some exposed metal every once in awhile to help dissipate the charge.

2. Cans of compressed air are fine too. They are mostly recycleable, just don't throw them in a fire, ever.

3. Exactly, if your temps are fine without taking it apart then it'll probably be fine.

4. If it's not too much I'd just buy some new stuff. 6 years is a long time. And it's not too expensive. (relatively speaking.

5. touching the edge of the case will help you just like the brush. I would always make contact with the edge of the case before making contact with anything inside the case.

6. I suggested lint free because it'll be less likely to leave behind fibers. A kitchen towel or microfiber may not be "lint free"

7. Cleaning the IO shield is not a bad idea but I doubt it caused your mic to go bad.

sorry it took this long but it would be rude if I didn't updated here at the very least

1. Haven't used brushes as I wasn't really sure so I just used a six speed blower and pretty much blew out all the superficial dust inside the case, might have to buy brushed (regardless if it's synthetic or not) when I do have to breakdown my rig piece by piece to thoroughly clean it

2. see number 1, also waited for the said blower because I'm pretty sure I'll use more than two cans with the way I do it (not that good hence more wasted movements/time/sprays with the cans of air)

3.am now forced to disassemble the GPU since it's temps are hitting 90c (way beyond normal), not to mention living in the tropics don't really help that much and in an non air conditioned room

4. true but i asked them directly and replied a few days later, said as long as the viscosity is there (from what I understand as long as it doesn't run like melted ice cream when you apply it on a surface) it's good to go and now need to worry about its "expiry" but yeah sure I can buy one when the need does come

5. did this and when I put back the case (just opened the signed panel and blew air over/around/inside it) working just fine

6. again thank you for this reminder, you may say I might be sugarcoating on this part, it happens even to the very best of us

7. cleaned it (blew air from the inside and outside) and it didn't helped that much, it might be the 3.5mm audio input socket (red) is busted broken (grounds audio inputs), so no microphone via analog would be possible, would have to buy USB microphones

8.curious question do you have any idea what mm thermal pad does MSI's twin frozr iii use? though I have the thermal paste, I might as well go all the way and apply thermal pads but I am not sure what size to use, can buy 0.5m ~ 2.0mm... their website doesn't help and no spec regarding it's thermal pads are also out on the net sadly

note: took pic/s before the cleaning so I may upload it here when I do get the time for some chuckle about how it's an ancient city that's just been rediscovered
 

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