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Brownout + Surge protector

post #1 of 5
Thread Starter 
Computer specs..

PSU Corsair 1200axi d link is not hooked up..

Mobo Sniper 5

Ram G.skill Sniper series

SSD 840 pro

HDD 640gb WD

i74770k with stock intel cooler.. idle is 35-40c gaming is 50c-60c



Just curious if someone can educate me, to what extent is a brownout dangerous? I had one at my home today, the power dimmed and the computer stayed on, then it dimmed more and the computer shut off. I have it plugged into a supermax surge protector. So after the power went out, I unplugged my rig, reset the surge protector & booted up.. Everything seems fine, maybe it's just me being worried about my new pc, just wanted to get a bit of more information, google wasn't very clear if damage is possible this way.. It was not storming, any where near me.. The lights simply just dimmed, and the PSU kicked the rig off.. Are there things I should check?
post #2 of 5

I wouldn't worry about it unless they happen frequently. I think damage from brownouts is fairly rare since most PSUs just turn themselves off when power goes below a certain level. If you get sags or brownouts often though it wouldn't hurt to invest in a UPS so you can do a normal shutdown, but if not a decent surge protector should be sufficient protection against spikes and surges which are more likely to cause damage.
 


Edited by Sainesk - 8/12/13 at 6:38pm
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Winter Heater
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i7 2600K GIGABYTE GA-H61M-S1 Galaxy GTX 460 768MB Corsair XMS3 DDR3 1333 2x4GB 
Hard DriveHard DriveCoolingPower
64GB ADATA S596 Turbo SSD WD Green 1TB Antec Kuhler H2O 620 IN WIN Commander 650W 
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COOLER MASTER RC-690 
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post #3 of 5
Not much more to say that hasn't been said tongue.gif although I second the idea of investing in a UPS, very useful and can potentially save your PC. Also gives you enough time to shut down properly if the power is completely out, as well as giving you enough time to save whatever you were working on whether it was a game or a project biggrin.gif . If this is a recurring problem I'd definitely grab one ! thumb.gif
   
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post #4 of 5
With you having a half decent surge protector, its just did it's job by cutting power. Brownouts lower the voltage, which can cause increased currents, but most decent PSU's have protection against this.

I think the worst that could happen is data corruption with your machine suddenly powering off, but usually a quick chkdsk will be enough to sort any issues. And when I say corruption, i mean a few files, not the whole drive.

TBH, if your machine seems fine, it probably is. And storms aren't the only things to take down power. I know a scottish power engineer who's had to deal with dead swans that bridged across power lines before, it flew into the lines, killing it and the circuit And there's also the possibility of insulator failures, though these are rare..
post #5 of 5
Thread Starter 
Thanks for the replies, I feel much better now.. I will look into a UPS soon.. Thanks again!
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