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12931 posts

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#237579 8-Jun-2018 15:01
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Read my story. Really.

Old farmhouse, lots of wood, many rooms, smoke alarms in nearly every one. Originally I got ionisation alarms because I needed a lot and they were quite a bit cheaper. Lately I have been replacing them with photoelectrics, which have come down in price and which I now know are better. 

Computers at one end of house, sitting room at other end. That is where I was just now when I heard an alarm go off. Being cheap ionisation alarms, they often react to humidity or nothing at all so I am used to false alerts. But the alarm kept beeping and my cat was in the room and the cats hate that sound so I went to check on things.

I often have the computers on all day. The first thing I noticed was the acrid smell of burning insulation. Then I saw the smoke coming from the corner where the computer was. Then I saw the flame inside the computer. It was still working normally so I pulled the plug and blew out the fire. At first I wasn't sure of the source, though it seemed to be the DVD drive. But on closer inspection I saw that the SATA power lead was completely disintegrated. I still haven't done a close inspection but it looks like the lead shorted and set the insulation on fire. Maybe the DVD drive is faulty but I don't think so. It will be awhile before I can go over everything.

That was a very close call. Thank goodness for the smoke alarm. It may have 'only' been the ionisation type everyone is now so down on, but it really came through and saved the day. I can't express how grateful I am to it.

Photoelectric alarms may be best, but this experience dramatically demonstrates that any alarm is much, much better than nothing. All of us here surely know better than to be without, so let this serve as another timely reminder for your friends and relatives. 


I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney

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Ultimate Geek


  #2032205 8-Jun-2018 15:17
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I'm glad you were home to hear it and that the fire wasn't able to develop further.


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  #2032208 8-Jun-2018 15:24
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Thanks. The computer itself seems okay and I am using it right now (with the panel open and a close eye on it). Having had time to calm down and reflect a little, I remember that the DVD drive was very hot when I touched it, so this was clearly a failure of the drive that overloaded the power and melted the cable. Everything else seems okay, though.



I don't think there is ever a bad time to talk about how absurd war is, how old men make decisions and young people die. - George Clooney


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  #2032210 8-Jun-2018 15:29
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Runs home to power off PC. No I won't, mine go 24/7. Smoke was emitted in 2003 though as power supply went up and destroyed most things (in PC) apart from motherboard.


P.S. I have a Nest Protect.

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Master Geek

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  #2032219 8-Jun-2018 16:04
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Pleased to hear you are okay.


Certain molded sata to molex connectors have been known to fail and cause drive fires and would be more likely fail this way than the drive itself. Have a look at the cables when its safe for future reference.

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Uber Geek

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  #2032220 8-Jun-2018 16:14
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Wow, scary.


People tend to leave computers on unattended and not doing anything... and it should be safe to do so! Not like leaving something on the stove top unattended.





BDFL - Memuneh
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  #2032243 8-Jun-2018 17:11
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Good you were able to act on it and are safe.



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