Questions tagged [ups]
A UPS (uninterruptible power supply) is a device used to provide instant backup power to critical systems for safe shutdown in the case of a power outage.
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How can I prevent apcupsd from managing the PC, and leave it to a custom script?
I bought myself a old APC Back-UPS CS650 uninterruptible power supply, and replaced the accumulator in it with a large lead-acid one, it coincides in voltage with the stock accumulator. I connected ...
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Back UPS, programmatically get remaining power
I just bought a Back-UPS.
So that if there is a power outage, this serves as some sort of a backup power.
I have set it up. It works, even when I plug it out.
But what I want to happen, is that the ...
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What are the fan dimensions for EATON 5E 2000I USB UPS 2000VA/1200W
I would like to replace the fan because it's too noisy but I'm not sure what the dimensions are. It looks like a 50mm fan and I'm trying to find an accurate datasheet for the UPS or a service manual ...
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Wifi via UPS during loadshedding
The primary fibre cable and wifi box is in my landlady’s house
She has both the ONT and wifi box plugged into the UPS.
The cables to the other wifis (mine included) run from her wifi box.
Her wifi is ...
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apcupsd incorrectly detects UPS power status
This is a brand new device (BGM1500B). It seems when it charges to 100% it starts to report STATUS : ONBATT. The device itself shows that it is hooked up to power on the display and I do not hear it ...
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Turning off the UPS when PC is off
I have a UPS to which I've plugged my PC and 2 monitors. Today while my PC and monitors were turned off and the UPS on and plugged, a power outage happened for roughly an hour.
It made me think about ...
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Upside down SLA/VRLA battery in UPS?
Is it ok to position SLA (sealed lead acid) / VRLA (valve-regulated lead acid) batteries upside down?
Are there safety, performance, or longevity implications?
Some UPS (uninterruptible power supply) ...
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Clearing confusion about no-break power requirement
I'm considering purchasing a no-break for my Intel NUC8i7HNK. I'm looking at a model that says that the power required by all connected appliances shouldn't exceed 600 VA (same as W, I suppose). The ...
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Powerchute Windows10 and reducing power consumption while on UPS battery
I have a computation app that can sense running on batteries, but does not trigger when PowerChute 3.1.0 is running on battery power (APC UPS1500 Pro). That app knows the power is limited, but Win10 ...
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Is PFC Sinewave important when buying UPS for high end computer?
Is PFC Sinewave important - What I found
I'm in the market for a new UPS (Uninterruptible Power Supply) for my home/office setup and trying to decide if "PFC Sinewave" (from CyberPower - ...
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My keyboard is not working in my PC when I connect UPS to main power source. It only works on ups battery when disconnected to main power source
I've kept my PC on kitchen cabinet made of granite and covered it with some plywood. Also the nearby walls are damp. I've fitted the socket in the same wall. When I connect my UPS to the power socket ...
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How can UPS turn computer on after it was shut down by power loss?
Suppose computer is connected to UPS and UPS is connected to the computer with USB cable. Some software runs on the computer, which is capable to shut it down gracefully on power loss.
Suppose power ...
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Linux Mint Laptop (With a UPS) Turns Off When Power Goes Out
I had a Linux Mint (MATE) laptop with a working battery, but just to be safe I also bought a UPS backup, and plugged the laptop into it. When the power went out, the laptop stayed on, and life was ...
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10-year old Sven Pro 1000 UPS turns off if load is low - batteries are good
I have a Sven Pro 1000 UPS which is 10 years old. However, it still works good after replacing its batteries twice. The only problem is that it automatically turns off if the load is very low - for ...
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APC Back-UPS works fine during power outage but turns off when power is restored
I have been facing a problem with sudden shutdowns of my PC without any warning. When this happens, the APC Back-UPS (RS 500) emits a long constant beep and the indicator light of the UPS is off. This ...
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APC UPS Shutting itself off after a few seconds
I have an APC Back-UPS 600 UPS. When I turn it on with no load, the light blinks green while it emits a constant tone. It then clicks and the light turns off, but the tone continues. I can make the ...
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Unable to send email from APC UPS PowerChute
I have the APC 1500 Smart UPS with SmartConnect and the PowerChute Business Edition server edition 9.2 Build 604. I had configured the email to use Gmail to send me notifications when there were any ...
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Advice in how to properly maintain my UPS
First of all, I hope this is the right place to ask. I have looked around and this seems to be the correct place inside SE.
I do not own a server but I use a really old APC Smart-UPS SU1000INET for my ...
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What would cause a fully powered off workstation to turn itself back on?
I have an old workstation that I want to keep fully powered off when I'm not around. Just recently I came home to find it powered on, even though I didn't touch it. There is no one else around (and ...
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prevent nut from constantly typing on command line (Debian)
I have been using Debian for a short time and when I login with my poor ssh user, there is a process that constantly writes to the console and makes me nervous. I get this warning message from nut:
...
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Modem recycles when power goes out although it's on a UPS
I have a UPS with my desktop, server, router and modem all on the backup side but when the power flickers, the fios modem still powers off. It is the only thing that powers off. Anyone know why or ...
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How bad are minor power fluctuations for computers?
Whenever a large appliance or power-tool is turned on where I live, such as a refrigerator, vacuum, chainsaw or similar, light-bulbs will often dim down for a fraction of a second before returning ...
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Synchronizing shutdown of several computers on one UPS
With a single computer working from a UPS, a power outage would result in the computer shutting down, followed by the UPS shutting down. The UPS would then not supply power to its outputs.
With a USB ...
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Why is my Eaton UPS beeping?
I just received a new Eaton UPS (Eaton 3S 700). I plugged it to a wall socket and connected a small tower server, a switch and a router. They work fine.
My problem: the UPS is beeping continuously and ...
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How to silence "bad battery" alarm in a APC Back-UPS 550 UPS?
I am using Ubuntu and I have an APC Back-UPS 550 uninterruptible power supply that's worked pretty well for several years.
However, over the last year, it's "bad battery" alarm has routinely ...
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APC Back-UPS and Corsair PSU do not work well together
UPS: APC BX700U-GR
PSU: Corsair RM550X
Maximum power consumption of all devices connected to the UPS: 100-110W
Average power consumption of all devices connected to the UPS: 60-70W
It is not possible ...
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1200VA UPS Doesn't Supply Power to Monitor
I have a DELL Optiplex 7080 Tower PC running on windows 10 pro, and a Samsung SR35 Monitor. I had connected them into a 1200VA Offline UPS, but sometimes, when computer boots up (after the splash ...
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1200VA UPS Charging Time
I've bought a brand new 1200VA Offline UPS, but the problem is my UPS brand doesn't provide the information about charging time. So, I want to know how much time it takes to charge a 1200VA UPS? Also, ...
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Power usage in Task Manager says "very high"
I am running the next parts:
SMPS 750W
Ryzen 9 3900x
RTX 3060
24 inches led monitor
These parts are connected to 600 VA ups and wherever I run a software I see my power usage shoot up very high and ...
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How to know if the computer is getting enough power?
I have a UPS (650VA) and connected few devices including a laptop to it. I need to know is there a software or any tool or any way that I can know the devices are getting enough power? And also is ...
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Computer Restarts while on UPS
I am using a 650va ups (not a good brand) My previous pc had 400w psu and it worked fine.
Now i am using a new pc (i5 10400f, gtx 1660ti oc, 550w 80bronze psu)
Whenever the electricity goes off, trip ...
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UPS causes computer to restart when power is restored
Issue: When UPS switched back from battery to AC (power) the computer restarts. Even if computer is idle (less load)
Scenario steps:
UPS is plugged into wall
only PC is plugged into the UPS
Remove ...
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UPS and server at different Aperages
I have bought a DELL EMC PowerEdge R740 server which hosts:
2x Intel Xeon SKL-EP Gold 6130,
1x NVIDIA Tesla V100 32GB,
12x 8GB DDR4-2666MHz ECC RAM
It has one main and one backup power supply each @ ...
Valon
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How to get UPS notifications in Windows 10?
When the UPS switches over to battery power (e.g., when the mains power cuts off or goes out of spec), I'd expect to (and like to) see a notification bubble (toast) in the notification area. Is there ...
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UPS doesn't provide power when it's plugged to the wall
i have a Maxma 1500VA UPS that i use for my pc, since yesterday, when i plug my UPS to the wall and try to turn on my pc, it doesn't work, but when i run my UPS on battery mode (unplug it from the ...
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UPS getting overload when PC is connected
I have a UPS with 600VA.
When I connect it to my small laptop and a monitor, the total wattage amounting to 40W approximately (to the higher side), the ups on backup runs for 40-50 minutes.
**But when ...
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Computer draws more watts when electricity in house isn't stable?
I have an i7 5960x (8-core, 16 threads) and two GTX 970s that are all running at full load 24/7. The total system power usage is typically around 450-550 watts when everything is under load. It has a ...
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Can I use higher capacity batteries in an Online UPS?
I have a Farber 1KVA Online UPS that uses a pair of 12v, 9AH batteries that are connected in series. the power goes off a lot in my area and the batteries can't keep my PC on more than a minute during ...
Zain Mohammed
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Why can’t a 650w rated UPS can not power my 350w computer on main power failure
I have a computer that could potentially draw 350w on high load. Due to main failures often, I grabbed 1,000va (650w rated) UPS from Emerson. After fully charging the UPS battery, I have done self ...
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Can a power outage damage PC hardware?
TL;DR: can a planned "power outage" damage PC hardware aside from HDD/SSD (which won't be connected to the PCs) - mobo, gpu, cpu, psu, dvd, fans?
(the internet says "yes it can" vs ...
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Can UPS be dangerous for my pc?
Can UPS be dangerous for my pc?
I am using this power supply in my pc: SilentiumPC Supremo FM2 750W 80 Plus Gold
I am using this UPS to power my pc and monitor: Green Cell UPS (2000VA/1400W, 3x IEC, ...
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HDMI blinks when UPS switchs voltage
I have an RX580 and two monitors; one connected to the HDMI output and the secondary to a DVI-D port through a DVI-D to HDMI adapter. The PC and the main monitor are connected to an UPS and the ...
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Pc reboots while connected to a UPS and no power failure
UPS model: TRV NEO 850
power factor is 0.6
220V
transfer time is 2/4 ms
i have the ups connected via usb and the monitoring software show no problems at all (battery ok, ups load no more than 70% ...
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UPS Voltage fluctuation from 240 to 220 Volt [closed]
Dear readers from this forum.
I live in North East Thailand. I do have 4 UPS units from "Etech EGO" (1000 VA 500 Watt). I have 3 phase electricity which wil give me 240 to 250 Volt on ...
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Is it possible to purchase a UPS whose alarm can be disabled? Or must I physically disconnect the speaker by disassembling and modifying the unit? [closed]
I am working in a setting where we can expect to lose power several times a day and I want to get a UPS (uninterruptible power supply) in order to keep the computers running.
Are there any ...
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Why is my UPS not providing power to my Modem?
I have a UPS that was powering my Monitor and CPU unit whenever main power was failing. I also have a modem that provides internet connection to the entire house. Now, the modem gets power from mains, ...
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UPS vs PSU wattage during normal operation?
Does a UPS battery backup act as a "funnel" for wattage during normal power operation (e.g. full power is coming from the wall outlet to the UPS)? I ask because I have an older UPS with only ...
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Can I use an USB hub to use the same UPS or printer for multiple computers?
I'd like to use the same UPS for two small computers. My main problem that I need the battery info for both computers to shut them down when the battery is close to empty. I thought maybe I connect an ...
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Computer Does Not Work At Home But Works in PC Repair Shop
I have never encountered this phenomenon. No, it's not phenomenon - it's anomaly that defies logic.
My computer was left for 1 week in a mixed standby hibernate state. I think it's S4, don't remember. ...
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Infotec X4 on Ubuntu with NUT
I am trying to connect an Infotec X4 UPS to NUT on an Ubuntu server.
The UPS is correctly recognized by ViewPower software on a Windows laptop. This allowed me to conclude that the USB interface works ...
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