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 Forum index » Taking the Puppy out for a walk » Misc
Computer struck by lightning! What to do?
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Thu 09 Dec 2010, 08:48    Post_subject:  Computer struck by lightning! What to do?  

I was broadband connected to the Internet, typing my answer to Shep and Ruals @ http://murga-linux.com/puppy/viewtopic.php?t=51906&start=45 when I simultaneously heard a thunder outside and a rather loud clic in my desktop cabinet.

The computer powered off, the monitor stand by light remained flashing, the little yellow-green light in the motherboard remainded on but it was impossible to start the computer again.

I unpluged the computer from the wall outlet, waited for a while and plugged it again.

That usually lights the power-on button light for some seconds and makes the fans work for some seconds but that stopped happening.

I must now walk a rather long distance to access a computer that is not mine to get in touch with you. There are stormy clouds in the sky and it's beginning to rain.

I think the PC has been struck by lightning.

But I don't know which part of the PC is affected and what part is usually affected.
If you were in my place, what sort of test would you do?

PS:If this is not the right place to post, where should I have made the call for help?

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aarf

Joined: 30 Aug 2007
Posts: 3620
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PostPosted: Thu 09 Dec 2010, 09:02    Post_subject:  

Test the power socket with another plugin device to see if the fuse is blown
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Thu 09 Dec 2010, 09:13    Post_subject: aarf's advice
Sub_title: I'm far from home now
 

But I assume the power socket is OK because when I plugged into it, the greenyellow light in the motherboard went on. And the same greenyellow light in the mobo went off when I pluged out.
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Dingo


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Posts: 1424
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PostPosted: Thu 09 Dec 2010, 09:22    Post_subject:  

in order to test what hardware is working and what not, you must use a diagnostic card like this:

Microwell Professional Hardware Diagnostics PCI2
- http://www.uxd.com/phdpci2.shtml

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aarf

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PostPosted: Thu 09 Dec 2010, 09:29    Post_subject:  

You might want to consider a UPS before you start replacing any equipment parts. Test your monitor somewhere else first i guess
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Antipodal

Joined: 26 Mar 2009
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PostPosted: Thu 09 Dec 2010, 09:39    Post_subject: Thank you Dingo
Sub_title: For the moment, I'll keep your advice in mind
 

I searched at http://www.uxd.com/phdpci2.shtml but it's not easy to find out the price of that device and I'm trying not to go into great expenses.
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Antipodal

Joined: 26 Mar 2009
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Location: The other side of the world

PostPosted: Thu 09 Dec 2010, 09:51    Post_subject: Thanks aarf
Sub_title: Regarding your last post
 

Yes, I think I'll have to read about UPS before performing other tests.
I'm not thinking of the monitor just now, because it's standby light still flashes.
I'm mostly concerned about what's in the cabinet where motherboard, microprocessor, and hard disk are.
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racepres


Joined: 16 Jan 2009
Posts: 531
Location: Central Michigan, US

PostPosted: Thu 09 Dec 2010, 10:27    Post_subject:  

When that happens here... we first check/replace ram, make sure that the hard drive at least spins up.
Then Check the power supply output
http://pinouts.ru/Power/atxpower_pinout.shtml
HTH
RP
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abushcrafter


Joined: 30 Oct 2009
Posts: 1447
Location: England

PostPosted: Thu 09 Dec 2010, 12:15    Post_subject:  

aarf wrote:
You might want to consider a UPS before you start replacing any equipment parts. Test your monitor somewhere else first i guess
Look in industrial business sites. They have skips now and then. The fools throw out all sorts of great stuff. Like UPS units. That's where I got mine Very Happy Sad (Sad because they are throwing out this stuff in the first place!). Guess where I got the red button for my avatar from Wink.
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Antipodal

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PostPosted: Thu 09 Dec 2010, 18:16    Post_subject: Thank you for your time, racepres!!
Sub_title: I'll keep your comments in mind...
 

But I'm not sure what this stands for
racepres wrote:
RP
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Antipodal

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PostPosted: Thu 09 Dec 2010, 18:23    Post_subject:  Thank you too, abushcrafter
Sub_title: I'll also keep your comments in mind.
 

Antipodal Smile
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Lobster
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PostPosted: Thu 09 Dec 2010, 18:57    Post_subject:  

Quote:
I think the PC has been struck by lightning.

But I don't know which part of the PC is affected and what part is usually affected.
If you were in my place, what sort of test would you do?


I would ensure I had not angered Thor in some way . . . Wink
Then I would take up alchemy
http://web.archive.org/web/20060718135255/pages.britishlibrary.net/edjason/green/key.html

. . . maybe the UPS is more applicable . . . Embarassed

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ttuuxxx


Joined: 05 May 2007
Posts: 10847
Location: Ontario Canada,Sydney Australia

PostPosted: Thu 09 Dec 2010, 19:58    Post_subject:  

I would replace the power supply, usually they are really cheap. Usually its the first thing to go with power surges, Then the next thing is the motherboard, but I would put my money on the power supply, do you have an extra power supplies you could use for a test, like one from another pc etc.
ttuuxxx

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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Sat 11 Dec 2010, 17:06    Post_subject:  Thank you...
Sub_title: Lobster & ttuuxxx...
 

…for your advice, I’ll try to match them with those I have already received. Wink
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ndujoe1

Joined: 04 Dec 2005
Posts: 700

PostPosted: Sat 11 Dec 2010, 17:58    Post_subject: Computer Struck by Lightning!  

My condolences :) Mine got zapped several years ago and I had to start over. LIke other posters stated a UPS and surge protection are good. And if you have advance notice of a storm coming unplug everything, that's what I do.

Lightning makes you are fast learner !
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