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Is it possible my UPS is screwing with my PC?

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frozenlead   05-08-2008 at 04:25:01 AM

My pc has been restarting randomly lately, I haven't an idea why. I know my PSU is cutting it close on power, so I doubled up on them, but it didn't change it.
I moved my PC for a bit to the other side of the room to do some work there, and I don't remember it restarting there. But when I brought it back to this side, where my UPS resides, it started again. Right now the unit is plugged into the wall, and it hasn't restarted yet.
I'm sure there's something in a UPS that could cause this mess, but anyone got and specific ideas on it?

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zenmaster   05-08-2008 at 04:50:43 AM
- 0 +

I've seen bum UPS cause PCs/Servers to restart.
I can't tell you what inside can cause it.

------------------------------ If its good in theory but not in practice,
its not good theory.
 Reply to zenmaster
cliffro   05-08-2008 at 04:54:55 AM
- 0 +

Could be the battery needing replaced.

 

Ok, i did dig a little and found this.

 
Quote :

 

I think I got the uptime as high as three years before the
building suffered a half-day power outage that drained the UPS.


A few years later, the machine started rebooting
for no apparent reason.
Turns out the UPS battery itself was dying and generating
its own mini-power outages.
Ironic that a UPS ended up creating power outages
instead of masking them.
But on the other hand, it was free,
so I can't complain.


Which reminds me, i think i need to change mine...its old enough now that i doubt it will last much longer...stupid old wiring surging and draining it.


Message edited by cliffro on 05-08-2008 at 05:04:58 AM
------------------------------ Intel Xeon E3110@3.4ghz/GA-P35-DS3L/4gigs DDR2-800(@756)/EVGA GTX 260 Core 216 55nm
/2xSeagate 320 1x160/Corsair 850 TX/21" Dell P1130 & M781s/ Vista Ult. 64 SP1

 

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Bronze Home Brew badge WR2   05-08-2008 at 05:04:59 AM
- 0 +

I agree with cliffro. When my APC battery started giving up the ghost I was getting the same symptoms you mention. It didnt seem like the UPS was involved at first, but I ran the PC withou the UPS and the problems did not return. Since my UPS was more than 5 years old at the time I replaced it instead of replacing the battery.

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cliffro   05-08-2008 at 05:08:33 AM
- 0 +

well depending on where you get the battery its sometimes more cost effective to just replace it(whole unit) and be done. But if you have a battery store nearby the batteries range from $20-40 at least at "Batteries Unlimited" a local battery specialist.

------------------------------ Intel Xeon E3110@3.4ghz/GA-P35-DS3L/4gigs DDR2-800(@756)/EVGA GTX 260 Core 216 55nm
/2xSeagate 320 1x160/Corsair 850 TX/21" Dell P1130 & M781s/ Vista Ult. 64 SP1

 

Reply to cliffro

Bronze Home Brew badge WR2   05-08-2008 at 05:14:16 AM
- 0 +

The newer models also have better features - USB connections and not serial Com1 - and better software IMO.

Reply to WR2
frozenlead   05-08-2008 at 05:22:54 AM
- 0 +

Mine's a nice APC 725, has usb support, but i never actually installed it. I didn't even think about the thing giving me problems. I don't know if it's still under warranty, but I'll look. Thanks, guys

Reply to frozenlead
cliffro   05-08-2008 at 05:24:40 AM
- 0 +

lol mine has none of that......I have an el'cheapo model APC BackUPS ES 350 the only additional plug i have is an ethernet port the converts to USB and monitors the battery. I've been eyeballing some bigger ones as mine is only good for 200w and as you can see my computer uses more than 200w

------------------------------ Intel Xeon E3110@3.4ghz/GA-P35-DS3L/4gigs DDR2-800(@756)/EVGA GTX 260 Core 216 55nm
/2xSeagate 320 1x160/Corsair 850 TX/21" Dell P1130 & M781s/ Vista Ult. 64 SP1

 

Reply to cliffro

Bronze Home Brew badge WR2   05-08-2008 at 05:42:28 AM
- 0 +

APC BE550R 550 VA 330 Watts should be about right for you cliffro - it won't hold up long if you're 3D gaming but I'm mostly concerned with un-attended PC at near idle and the usual home productivity activities.

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