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. . . computer dead after a dusting out

F

Frugal1ty

Member
opened the case and blew some air through the computer, dusting off the components, I didn't even touch anything, plugged the power back in and it won't turn on. the only difference i can see is now the LED's on my 3.5in card reader are pulsing (also there are a couple small LED's pulsing on the motherboard at the same time).

what does that sound like to you?

any suggestions?
 
Originally posted by: Frugal1ty
what does that sound like to you?
Click to expand...

Murphy's law...

But seriously you likely just knocked something loose, unplug the PC and give all your cards and power connectors a push to make sure everything is snug.

 
Odds are you blew something loose. I have never liked blowing - all it does is blow the dust somewhere else where it settles again. Sort of like sweeping dirt under the rug.

I use a Swiffer and carefully wipe up the dust and then throw it away. Small vacuum tools designed for computers are also excellent.

Tools
 
Originally posted by: corkyg
Odds are you blew something loose. I have never liked blowing - all it does is blow the dust somewhere else where it settles again. Sort of like sweeping dirt under the rug.

I use a Swiffer and carefully wipe up the dust and then throw it away. Small vacuum tools designed for computers are also excellent.

Tools
Click to expand...

QFT
 
Never seen a case of indicator lights "pulsing". The card reader and at least 1 of the leds on the mb are on the 5v circuit.

First thing I would try is to pull out all of the cards and ram sticks (you can do them 1 at a time) and re-seat them. The spring pressure contacts in the slots tend to do some cleaning of the card contacts by friction as you remove and insert them. A little better than just pushing on them.
 
Wont turn on means when you press power button, nothing happens? if so, it would narrow it down to motherboard or power supply.
 

These cans spit out water after spraying for a few seconds (due to sudden change of pressure), or if a can is not kept upright vertically.

What can happen then is anybody's guess - might as well spray water to see what might happen... 😉

 
Since the cans have no water in them, they don't "spit out water". I would imagine that even the frost you can generate with canned air is frozen propellant since it seems to sublimate rather than melt. Even if you did condense water out of the air. it would essentially be distilled water and non-conductive.

It's certainly not something that I worry about.
 
Originally posted by: jackschmittusa
Since the cans have no water in them, they don't "spit out water". I would imagine that even the frost you can generate with canned air is frozen propellant since it seems to sublimate rather than melt. Even if you did condense water out of the air. it would essentially be distilled water and non-conductive.

It's certainly not something that I worry about.
Click to expand...


They certainly spit out some kind of liquid, Jack.

And it is something I would worry about - I would never do it on a working machine. If you turn it off before cleaning, it will help you avoid potential grief...
 
You're correct - sorry, I overlooked "plugged the power back in" part.

But these cans do tend to spray some kind of a mist - it happened to me, on a working machine (yikes!).

Never again repeated that stupid action, and that's why I am very careful doing it, even on an unpugged computer.

One might never know what this chemical or water mist can do...
 
as it turns out i didn't have to do anything, i got up one day and tried the power switch and it turned on. thanks everybody for your replies.
 
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