Tomorrow i'm going to clear out dust inside my computer with compressed air.

is there anything i should no before doing it or any tips?

Make sure all power is disconnected (obviously) and make sure no static electricity is around there otherwise the result would be shocking

This may be of some help: http://www.computerhope.com/cleaning.htm

Make sure you spray your compressed air away from the PC before using it on the PC to avoid condensation being disloged into the PC.
Make sure your PC isn't hot (compressed air can get very cold).

i have some compressed air i use opn my keyboard... it sometimes sprays out some white, freezing liquid(i think its like liquid) that goes away when u breathe on it...

be careful if yours does this im not sure what it would do to your pc...

do you think it would be worth getting a pcworld to do it (a local computer shop)?

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Originally posted by may73alliance
be careful if yours does this im not sure what it would do to your pc...

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Originally posted by mwe99
Make sure all power is disconnected

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Originally posted by may73alliance
i have some compressed air i use opn my keyboard... it sometimes sprays out some white, freezing liquid(i think its like liquid) that goes away when u breathe on it...

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Originally posted by WDZ
clean the dust out of my PC while it's running and I'm on the forums.

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Instead of going to a shop look for a tutorial

http://tutorials.beginners.co.uk/read/id/388/head...tative+Maintenance

Just a simple Google search some bring some results back.

If still in doubt - then contact a local PC shop

[offtopic]
And WDZ you're mad you might get shocked
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for the best use of compressed air:

Never spray to close to components; keep your distance. Compressed air can be very powerfull and nock of or damage things if you spray too close to them. Use your own judgement for the distance to keep your can from the PC... This will also solve the cold air problem which some people talked about.

Use, if possible, also a vacuum cleaner to suck up the dust your blowing away. Using compressed air has the big disadvantage that you blow the dust from one part to other parts. And even in a bad case scenario, you blow dust inside components where it will be trapped forever, so be very carefull! For this it is again important not to spray you compressed air to close to the PC and use a powerfull vacuum cleaner to suck up the flying dust...

Other then that, NEVER directly touch components of your PC without a decent anti-static wristband or something (or holding another large metal grounded object like the central heating unit in the room).

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Originally posted by WDZ

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Originally posted by mwe99
Make sure all power is disconnected

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I clean the dust out of my PC while it's running and I'm on the forums.

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* CookieRevised whistles ....

thanks cookie for the info i will be very careful.

Do you think I should clean it? Its a year old? (hasn't be cleaned inside yet)

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Originally posted by chris100
Do you think I should clean it? Its a year old? (hasn't be cleaned inside yet)

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well last time I was fitting my graphics card i noticed a lot of dust around the cpu fan and case fan but I didn't have any compressed air then.

also on neowin i was adviced to clean it because I have been having alot of problems like (programs not responding  ,slow downs etc.)

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Originally posted by chris100
are you being serious?

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Originally posted by mwe99
you might get shocked

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Originally posted by CookieRevised
Never spray to close to components; keep your distance. Compressed air can be very powerfull and nock of or damage things if you spray too close to them. Use your own judgement for the distance to keep your can from the PC... This will also solve the cold air problem which some people talked about.

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Originally posted by chris100
Do you think I sould clean it? Its a year old?

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Originally posted by WDZ

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Originally posted by mwe99
you might get shocked

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By what?

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Originally posted by WDZ
I clean the dust out of my PC while it's running and I'm on the forums. 

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Originally posted by WDZ

I think that happens when you tilt the can the wrong way...

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thanks wdz and cookie i'm to scared to do it (millions of things could go wrong). I might just get the local computer shop to do it.

well as long as you follow cookies advice you will be fine, also if you pc has a metal case touching that should be enough to get rid of any static energy, just make sure your not doing it whilst dancing in a nylon jogging suit in a thunder storm

Indeed.... Don't be scared though. It is easy enough if you just practice a bit (on some other stuff), and like WDZ said, start from a distance and holding your hand near the PC and test how much force there is in the airflow. Not much can go wrong if you just use common sense

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Originally posted by mwe99

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Originally posted by WDZ

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Originally posted by mwe99
you might get shocked

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By what?

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Static Electricity so you should always touch something (like cookie advised)

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Originally posted by Madman
just make sure your not doing it whilst dancing in a nylon jogging suit in a thunder storm

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thanks for the info. I will open it up tomorrow and try and clean it  see the thing i'm scared of  is booting up and getting a blank screen or sumin.

Erm, a vacuum/compressed air combo is the best way to go. Just run the vacuum near the PC a few times (a shop vac is good for this as their very powerful) to get rid of all the loose dust. Then get the compressed air and attach the little straw thing for precision blowing and blow away all the dust you see. Then get the vacuum again and suck away all the dust you loosened up.