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Can a power outage do any damage if the PC is off?

post #1 of 10
Thread Starter 
A power outage happened to occur when my PC was soft-turned off as in i didnt flip the PSU switch

Don't suppose this could've done any damage? I unplugged it so it wouldn't get surged when the power came back on.
post #2 of 10
I highly doubt that it would do any damage. The only way to be absolutely sure is to have the power unplugged. However, your PSU is the gateway to power to the rest of the system. If it isn't supplying power at the time of the outage, I cannot see how that would cause any damage. Maybe to the PSU? I'm no electrician, though. Perhaps I shouldn't have said anything....
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post #3 of 10
The LAN port is another way to kill you rig when the power come back.
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post #4 of 10
Quote:
Originally Posted by saint19;12494855 
The LAN port is another way to kill you rig when the power come back.

I have seen that happen in a Lightning strike, power surge traveled along Cable to modem, from modem to router, from router to gigabit LAN on motherboard and Zap. The PC was powered down at the time.
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post #5 of 10
I had a brown out damage my bose sound system. Everytime I put a CD in it even when it's powered off I can hear the CD spinning. Also had some gawd awful sound going through it until I unplugged it from the wall. This brown out also happened about 5 miniutes after I had just finished installing Windows 7 on my sig rig...but all was fine with my PC.
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post #6 of 10
Yes it is possible for damage to occur with the power turned off. While unlikely it is possible. Why not invest in a cheap surge protector? Or go one step further and surge protect everything in your house by getting an Electrician to install one in your Panel.
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post #7 of 10
Nah it won't damage your computer..


And about the LAN thing

Never happened to me YET

Edit: I use a Surge Protector and a Computer AVR on my Setup, Will get a UPS When i have the $$$
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post #8 of 10
The majority of the damage comes when the power comes back and when it goes out. Power quality is usually pretty horrific during those times. If you've unplugged it until the power comes back you have cut out half the possible damage causes. Also unplug your router.
If the power went straight out, then it won't be a problem, the damage only usually happens during storms, when things can fall on power lines, creating shorts and big power spikes. A surge strip is good for preventing that kind of damage, but a good PSU has that kind of functionality built in, so the surge protector is mainly there to prevent nasty stuff getting through to your machine through peripherals.
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post #9 of 10
Back when I was 15ish, I used to have burned out modems all the time from Lightning storms. After I bought the first one, I bought the 1 year extended warranty...boy did that pay off. I went through 5 modems.

At the end of the year, I bought a surge with a phone line socket.

Get a good surge protector and you shouldn't have issues. Just be sure to watch out for that NIC Socket like another poster said.
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post #10 of 10
Depending on the age of the wiring in your domicile. Most anything pre-80's can do it. My folks rented an older house when they first moved to this area and there was a power outage that fragged everything. Computers, DVD player, TV... the works. So to answer your OP, yes Virginia this can happen to your Computer too. Santa will have to buy you a new one.eh-smiley.gif

I recommend a good surge protector with an UPS plugged into it to save you aggravation later on.wink.gif

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