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Danger Will Robinson! (The do's and dont's in computing)


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#41
ThreeTears
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DO NOT vaccuum any part of your computer, use a air can.



DO take a shower with your keyboard=-)



If you spill a coke on your laptop, dont worry, pour 10 liters of distilled water on it, then let it fry fo r2-3 weeks

#42
pryomancer
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I use a vacuum cleaner all the time. :D
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#43
ThreeTears
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I use a vacuum cleaner all the time. :D




Well your not suppose to silly =-p



Static Electricity!!!

#44
Sbrideau
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I use a vacuum cleaner all the time. :D




Well your not suppose to silly =-p



Static Electricity!!!


Depends if it's a special vacuum.

#45
pryomancer
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Nope, just a normal household vacuum.
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#46
OldJoe
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Nope, just a normal household vacuum.


On the outside it's ok. But don't use it while cleaning inside yor computer, if you'd manage to touch a component, chances are it would get fried. Just because you've been fine so far doesn't mean it's gonna be a stroll in the park for ever. I really advice on a can of compressed air.

J'adore aussi le sexe et les snuff movies
Je trouve que ce sont des purs moments de vie
Je ne me reconnais plus dans les gens
Je suis juste un cas désespérant
Et comme personne ne viendra me réclamer
Je terminerai comme un objet retrouvé


#47
ThreeTears
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Nope, just a normal household vacuum.


On the outside it's ok. But don't use it while cleaning inside yor computer, if you'd manage to touch a component, chances are it would get fried. Just because you've been fine so far doesn't mean it's gonna be a stroll in the park for ever. I really advice on a can of compressed air.




Yea a can of air is like 5 USD (prolyl around 7-8 Euro's) not worth wisking a 500-1000 dollar computer for 5 bucks =-p

#48
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Nope, just a normal household vacuum.


On the outside it's ok. But don't use it while cleaning inside yor computer, if you'd manage to touch a component, chances are it would get fried. Just because you've been fine so far doesn't mean it's gonna be a stroll in the park for ever. I really advice on a can of compressed air.


Actually we use a vacuum cleaner with a plastic nozzle to clean inside of PCs all the time, nothing wrong with that, I usually use a little brush to dislodge the the dust from fans etc. We also have an air compressor, it totally depends of the situation. One of the best solutions is to use both as you shouldn't be blowing dust into the air, some people suffer from allergies etc.

#49
OldJoe
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Nope, just a normal household vacuum.


On the outside it's ok. But don't use it while cleaning inside yor computer, if you'd manage to touch a component, chances are it would get fried. Just because you've been fine so far doesn't mean it's gonna be a stroll in the park for ever. I really advice on a can of compressed air.


Actually we use a vacuum cleaner with a plastic nozzle to clean inside of PCs all the time, nothing wrong with that, I usually use a little brush to dislodge the the dust from fans etc. We also have an air compressor, it totally depends of the situation. One of the best solutions is to use both as you shouldn't be blowing dust into the air, some people suffer from allergies etc.


Yes, an air compressor would be the ideal thing, but not everyone has it in their house. A can of compressed air will do the trick just as good and is quite alot cheaper. Compressed air works much better in getting away the dust, as a vaccum cleaner is much bigger and you can't really get near in crammed spaces and a greater risk for ESD.

And you still have the problem with possibility of water and oil in a normal garage compressor (don't know what type you got). You have the fluid problem on a can too, but it's less of a problem compared to a common compressor.

I have a long text about ESD and vaccum cleaners, a guy on a forum (sweclockers) wrote to a professor at Örebro Universitet, called Dag Stranneby, which have classes in ESD and research. But i'm not gonna translate it all, the conclusion is:

Rubber-end and plastic end is not to be preferred.

The power cord should be attatched if it's grounded.

You yourself should be grounded to the computer case.

The end of the vaccum cleaner (the "mouth") should be of metal, which should be grounded with a wire.

The power button on the PSU should be off.



http://www.sweclocke... ... did=230416 (down to ESD och Dammsugning vs Tryckluft) feel free to translate with google.



I still maintain that a can of compressed air is the best option.

J'adore aussi le sexe et les snuff movies
Je trouve que ce sont des purs moments de vie
Je ne me reconnais plus dans les gens
Je suis juste un cas désespérant
Et comme personne ne viendra me réclamer
Je terminerai comme un objet retrouvé


#50
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I had taken my computer apart. Everything went fine until I went to reinstall the CPU, which was attached to the heat sink. Since I had to put a lot of effort on the heat sink to get in place, I bent the pins on the processor. I fixed those easily with a pocket knife, and then I pried the chip off the heat sink (which had been held on by some heat transfer compound). I placed the CPU in the holder thing without the heat sink thinking that there is no way that thing will get so hot so quickly. I turned my PC on and nothing came up on the monitor, so I thought I'd press down on the processor to make sure it was all the way down. Bad idea. That thing was EXTREMELY hot for being on after such a short amount of time. The compound I mentioned earlier had gotten on my finger, so the heat was held on my left middle finger for even longer, thus giving me a rather annoying blister.




Translated to always run the computer with a heatsink and fan. I'm surprised you didn't fry the chip running without a heatsink for even a second.




I was also surprised to realized it didn't burn itself out, but I think the heat transfer compound had absorbed a lot of it.
~~Chaise91~~

#51
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DO NOT vaccuum any part of your computer, use a air can.



DO take a shower with your keyboard=-)



If you spill a coke on your laptop, dont worry, pour 10 liters of distilled water on it, then let it fry fo r2-3 weeks




I told my dad not to use that thing on his laptop, luckily no damages were taken, but meh, he just put that thing all over the laptop's inside o_O

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#52
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PSU

Power Supply Units


If the power supply on your system dies, never attempt to open it up and poke around in a futile attempt to get the poorly deceased thing working again.



Power supplies not only are the point where you can come into contact with live mains, but most PSUs are switch mode power units and could seriously harm you with the high frequency switching circuitry. Even after the PSU is off and unplugged from the mains, it still has capacitors that are could be charged, so don't go sticking your finger in there and wiggling it around hoping to see a spark of life.



Power supplies have no user serviceable parts inside and should never be opened. Some PSUs have a fuse that can be changed without the need to open the unit, this should be perfectly safe to do.



I have actually seen someone having a shock from a PSU inside a television, he was thrown back and landed in a glass cabinet behind him. That was one of the scariest things I had seen.




I cant entirely agree with this. I've had 5+ 'broken' PSU's that were easily fixed by checking the contacts with a soldering iron. However, only do this when you know what your doing, and be careful.

As for the television, I assume it was one of the old CRT ones. They have incredibly high currents (MUCH higher than your wall outlet) used for the screen.



DO NOT vaccuum any part of your computer, use a air can.



DO take a shower with your keyboard=-)



If you spill a coke on your laptop, dont worry, pour 10 liters of distilled water on it, then let it fry fo r2-3 weeks




I usually use the dishwasher :P Works great. BUT dont do this with any keyboards with LCD screens on them (G15 etc).

Also, for a normal keyboard letting it dry for several days is plenty, you wont need weeks.
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#53
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Well, even if you know what you're doing, the warranty is voided if you open up the PSU anyways.

J'adore aussi le sexe et les snuff movies
Je trouve que ce sont des purs moments de vie
Je ne me reconnais plus dans les gens
Je suis juste un cas désespérant
Et comme personne ne viendra me réclamer
Je terminerai comme un objet retrouvé


#54
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One guy used a screw to attach the processor to the motherboard :P Needless to say, it was screwed up after that. So don't try that at home :)

#55
RpgGamer
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I got a few:



1) Disc Drive Reading

If a disc does not register at all in your disc tray, make sure that the type of the CD is compatible with your disc drive. There is a difference between a CD-ROM and a DVD-ROM. Some drives can't read both.



2) DeepDive (virus)

I've had to deal with this bugger a few times. It first appears as a "Buffer Overflow Error" in your security systems and firewalls, which eventually locks you out of the internet. To free yourself of this thing, go into

C:\Program Files\Common

and delete all files with the name "helper.dll" or anything of a similiar name.

Doing so will resolve the error, grant you internet accsess and delete DeepDive.



3) Cutwail.a!rootkit (Trojan)

Biggest [wagon] I've dealt with on my current computer. It's rough, it's aggressive and it's nasty. To rid yourself of it do the following immidiatly:

1. Google "malwarebytes"

2. download the latest version of the "malwarebytes"

3. Rip out the connection to the internet manually by unplugging the ethernet cable/power cord

4. run scan using "malwarebytes"

5. delete all quarenteened files.



[editted]

i4etdl.jpg


 

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Anyone who likes logic is incapable of tacos.

 

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#56
Sbrideau
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I got a few:



1) (D:) Drive / (E:) Drive

If a disc does not register at all in your disc tray, make sure that the type of the CD is compatible with your disc drive. There is a difference between a CD-ROM and a DVD-ROM. Some drives can't read both.




You should not name the letter of the drive, just say CD/DVD drive, since it's a different letter for everyone. At least in my experience it is. On the computer I use the most it's N:, and on the other computer it's G:.

#57
RpgGamer
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I got a few:



1) (D:) Drive / (E:) Drive

If a disc does not register at all in your disc tray, make sure that the type of the CD is compatible with your disc drive. There is a difference between a CD-ROM and a DVD-ROM. Some drives can't read both.




You should not name the letter of the drive, just say CD/DVD drive, since it's a different letter for everyone. At least in my experience it is. On the computer I use the most it's N:, and on the other computer it's G:.


Huh. Never knew that. In my experience the disc drive has always been either 'D' or 'E'. I'll edit it though. I have had my hard drive re-assigned from "C" to "H" once. I guess it's possible.

i4etdl.jpg


 

Anyone who likes tacos is incapable of logic.

Anyone who likes logic is incapable of tacos.

 

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Steam: NippleBeardTM

Origin: Brand_New_iPwn


#58
J35u5_M4
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I had taken my computer apart. Everything went fine until I went to reinstall the CPU, which was attached to the heat sink. Since I had to put a lot of effort on the heat sink to get in place, I bent the pins on the processor. I fixed those easily with a pocket knife, and then I pried the chip off the heat sink (which had been held on by some heat transfer compound). I placed the CPU in the holder thing without the heat sink thinking that there is no way that thing will get so hot so quickly. I turned my PC on and nothing came up on the monitor, so I thought I'd press down on the processor to make sure it was all the way down. Bad idea. That thing was EXTREMELY hot for being on after such a short amount of time. The compound I mentioned earlier had gotten on my finger, so the heat was held on my left middle finger for even longer, thus giving me a rather annoying blister.




Translated to always run the computer with a heatsink and fan. I'm surprised you didn't fry the chip running without a heatsink for even a second.




If it's an Intel chip there are chances that it won't get fry even if you have the fan off for a longer time (5 minutes) I saw some experiments with AMD and Intel chips, the computer was running a game, think it was Counter Strike or something, while the PC was turned on they removed the Fan, on Intel the game went all laggy and stopped, on AMD the chip kept working and melted down with the motherboard (lol) I saw the smoke and all come out xD.



In other words: Intel = More Secure, AMD = More power.

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#59
OldJoe
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If you are referring to this video:

That chip is from 2001 if i remember correct. And the video doesn't prove anything really, it's possible to fry a cpu in that way despite being from 98 or 08.

And if you know your stuff, you'd know that Intel currently has the most powerful cpu out there.

J'adore aussi le sexe et les snuff movies
Je trouve que ce sont des purs moments de vie
Je ne me reconnais plus dans les gens
Je suis juste un cas désespérant
Et comme personne ne viendra me réclamer
Je terminerai comme un objet retrouvé


#60
ClareJonsson
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The thing that is supposed to save a CPU from overheating is called a thermal cutout diode, in effect if the CPU gets too hot the diode will slow the CPU down (to a halt if need be). Unfortunately AMD are known for having bad utilization of the TCD consequently killing the CPU if the heat sink is removed, and that goes for todays AMD processors I'm afraid. But the thing is, anyone who is daft enough to remove the Heat Sink is asking for a magical cloud of smoke to appear, and unfortunately this will not be followed by a Genie who will grant you three fabulous wishes :(




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