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  computer problems! 
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peter lee Feb 15, 2006, 05:09am EST Reply - Quote - Report Abuse
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Hey I have a few problems here. First of all earlier today i used a dustoff product and cleaned my computer inside and out. shortly after when i plugged everything back in it wouldn't start up, i was not able to see the monitor screen at all. i tested all my equipment in a friends computer but it all checked out. i'm guessing motherboard issues.

problem 2. the friend's computer i tested out the equipment on started to act wierd and started behaving in the same pattern as mine. at first he was getting blue screen now he can't even see the monitor when he is booting up. now his computer will turn on then shortly turn off, nothing on monitor. any help?

my computer spec:

Asus a7n8x-e deluxe mobo
1 gig ddr pc3200 mushkin
radeon 9800 pro 128 mb
120 gb seagate hd
160 gb seagate hd
amd 3000 xp

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Dublin_Gunner Feb 15, 2006, 06:23am EST Reply - Quote - Report Abuse
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>> Re: computer problems!
My guess is the cleaning solution you have used has caused short curcuits across a number of your components.

Is the product designed specifically for electronic equipment, if so, it should be non-conductive.

Is it a liquid solution / wet towel type?

You should maybe take all of you PC apart, clean everything off with a clean, dry, lint free cloth or towel, paying particular attention to any connectors.

Make sure everything is bone dry and put your PC back together, preferably out of the case on a work bench, to test if its working (a bench test, hencce the name).

Start with minimum components (CPU, 1 stick of ram, vid card), see if it boots and you can see the screen / get into BIOS.

If you can, start to add your other components 1 by 1, restarting the machine after each addition.

If after installing a particular component, you notice the problems starting again, you can saely assume that component is causing the problem.
Try get your hands on a cheap PCI video card (like 10-20$ card) andsee if you can get it to boot with that, in case its the vid card thats the problem.

Lancool PC K62
Phenom II x3 @ 3.5Ghz
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micro Feb 15, 2006, 06:25am EST Reply - Quote - Report Abuse
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>> Re: computer problems!
problem #2
The cpu is over heating, or some other device with a fan installed on it. What do you mean by a short time 1 min or 1 sec?

#1 you must have knocked something lose or pulled a wire off on your pc is all i can figure.

This is at least a place to go from to start getting it checked out.
If you ever remove (or twist) a heatsink from a cpu or other devise, always replace the thermal paste.

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Michael Paladin Feb 15, 2006, 07:53am EST Reply - Quote - Report Abuse
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>> Re: computer problems!
I tend to concur with DublinGunner, in that the cleaner you used has shorted something. However, we then go in different directions. Totally strip out the motherboard. Lay it out on the draining board and put washingup liquid and warm water in the sink. Use a soft-bristled paint brush and give the motherboard a thorough wash, both sides, paying particular attention to PCI, AGP slots, and cable connectors. Then use distilled, not deionised, water and rinse away all traces of washing up liquid. (You can use tap water for initial rinse, but definitely use distilled afterwards. Then, when you are satisfied that it is thoroughly washed and rinsed, then use a hair dryer to dry it out. When you have dried as best you can with hair dryer, leave it overnight to air thoroughly. Similarly, any components you have with no moving parts, eg, sound, network, video cards, RAM sticks, CPUs etc etc can all be treated in the same way. For what it's worth, in the UK, Boots sell distilled water by the gallon, cheap, for steam irons.

Do unto others exactly what you expect them to do to you.
john albrich Feb 15, 2006, 11:32am EST Reply - Quote - Report Abuse
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Edited: Apr 29, 2014, 01:03am EDT

>> Re: computer problems!
This is not necessarily the case, but one suspect would definitely be static-discharge while handling the components.

It is possible that handling the components introduced static electricity into the situation, and this can permanently damage your computer components. The simple act of unplugging a component can inject a static discharge into the electronics sufficient to cause damage. You probably won't feel a "zap", see a "spark", or hear a "crackle or pop", and you can't see any physical damage when ESD damage has occured.

Those damaged components then COULD cause damage to other components when installed in another machine. One failure can produce a cascade effect.

This problem with static electricity is generically called ESD (Electro-Static-Discharge) and failures can occur immediately or can be delayed by weeks or longer as discharge-weakened molecular structures finally breakdown.

ESD induced failures are most often permanent. ESD is a huge cost factor in the electronics industry, and manufacturers spend a lot of money on the equipment and training for ESD protection.

Some solid state components are now sensitive to damage by extremely low ESD...charge levels you can't even feel. You do NOT have to feel a "zap" to produce ESDs capable of damaging components.

Many components can be easily damaged by levels as low as several hundred volts, while some of the more sensitive solid-state components used in modern computers can be damaged by voltages lower than 20 volts under the right conditions...especially individual chips not yet installed in a circuit card.

Handling electronic components in a normal, dry environment (like the type of environment found inside during the winter with heaters going) can EASILY generate ESDs in excess of 20,000 volts. It's generated on your clothing, table tops, walking around on a carpet, packing materials, and so on. It can be carried through your fingers to the components.

I've personally measured charge build-ups of over 30,000 volts in less than 30 seconds on common printer paper in 5 to 10% relative-humidity environments. Plastic (e.g. projector transparencies) can be worse*.

Placing unprotected electronic components on common plastic table tops, paper, clothing, and other materials can cause permanent damage from ESD within millionths of a second.

Wiping components with a clean dry cloth can carry existing static charge as well as build-up new charge, and induce ESD into the components.

People planning to remove and install computer components need to learn and apply ESD protection protocols.

At a minimum, component handling should be performed using a properly set-up anti-static mat and anti-static wrist-band. There are also handling methods that should be used to ensure the best protection. Handling must be consistent as any breach of protocol places components at risk.

If you want to learn more about this, then do some Google-like searching on phrases like,

semi-conductor static damage

One webpage that has a very brief and easy-to-read informative bit on ESD is:

That page also points to additional ESD information resources if you want to learn more about it..
For example, the "Electrostatic Discharge Association" link provides a lot of information on ESD and how it impacts computers, users, and manufacturers in a presentation that ranges providing a basic overview to extremely technical details.

*You've probably seen that many electronic components come in plastic bags, and are surrounded by foam "peanuts". These are very special plastic bags, and the foam "peanuts" are often also special. They have either been rendered conductive, had a conductive metallic coating applied to them, or had an anti-static build-up chemical applied to them. It should be noted that over time, the anti-static property of such bags is degraded, with the topical chemically treated bags losing effectiveness earliest. Frequent handling of the bags causes the protection to degrade even faster. Thus, some ESD bags are not suitable for long-term storage of computer components. However, some vendors don't know or don't care about ESD packaging, and "protect" their shipments with untreated "peanuts", plastic "bubble-wrap", or even wadded-up paper. It should be noted that opening the ESD protective bags on or near those "peanuts", bubble-wrap, or paper may immediately damage your new adapter card. It may cause a "DOA", may instead cause latent damage that can cause a device to show no immediate symptoms but instead fail hours, days, or months in the future when it otherwise would have worked well for years.

Added 20140429
Another good ESD information website for users and manufacturers is Electrostatic Discharge Association website
It provides information on industry activity in this area, and a white paper in particular that may be of interest to HWA users. The paper provides information in a manner that ranges from basic overview to extremely technical. Some parts are directed mostly to manufacturers but contain some information some users may still find interesting or provide context to extent of the ESD problem and how it affects the computer industry/users.
"Fundamentals of Electrostatic Discharge"
Part One--An Introduction to ESD
Part Two--Principles of ESD Control
Part Three--Basic ESD Control Procedures and Materials
Part Four--Training and Auditing
Part Five--Device Sensitivity and Testing
Part Six--ESD Standards

edited 200602160100uct to add "see ESD", "zap ESD", "hear ESD" comment with apologies to the rock opera..
edited 201404290500uct to call attention specifically to the link to the Electrostatic Discharge Association's .org website and one of the white papers.

peter lee Feb 15, 2006, 07:22pm EST Reply - Quote - Report Abuse
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>> Re: computer problems!
i did not use a cloth to clean my computer parts, i used one of those air spray cans, with the air straws on them. i just blew away the dust and did not physically handle any part in my computer. i have no idea why it wouldn't start it up when i hooked it back up. but man.. my roommate and i are very confused as to what is going on.

john albrich Feb 15, 2006, 07:48pm EST Reply - Quote - Report Abuse
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Edited: Feb 15, 2006, 08:08pm EST

>> Re: computer problems!
I was inferring based on your statements that you... "plugged everything back in"...and "i tested all my equipment in a friends computer "... which led me to believe you had disassembled or at least handled the components in some manner. In addition, subsequent suggestions were made to reseat or remove components, and such...which involves handling components.

The cloth comment was addressing one of the suggestions you received on what to do.

Hence, the additional ESD information.

SuPeR Xp Feb 15, 2006, 07:56pm EST Reply - Quote - Report Abuse
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>> Re: computer problems!
I am hoping that you did not cause a short :) because I too blow off my computer a few times or so a month but with it running. I guess I am taking a big chance.

Open up your case & let sit open for a wile, like a day or so, then see if it will turn on. If it does not turn on, then you may want to check your power supply first, then take it step by step from there. I mean if U have to take out your mobo, you may need to.

Good Luck

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peter lee Feb 16, 2006, 11:00pm EST Reply - Quote - Report Abuse
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>> Re: computer problems!
Hey guys I ended up taking apart my computer and with a dry paper towel cleaned the entire case inside and out. After that I reattached my motherboard, and everything else and it ended up booting fine and the problem seems to have gone away. I tried the same thing with my roommates computer but still no beep at bootup or screen showing up. Could it be his processor is dead? I know that when I was handling my parts I would touch the power supply with both hands before handling but I don't think he knew that. We have carpet flooring so there probably is a lot of static from walking around. Thanks for your guys' help so far, and I hope I can fix his computer because it was my fault he took it apart in the first place.

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