All Questions
Tagged with power-supply ups
94
questions
1
vote
1
answer
107
views
Power surge protection levels, spec of protective hardware
For some reason I experienced an extremely brief power cut (half a second or so) and it corrupted my desktop PC's BIOS (ROM?) which had to be restored and reconfigured.
This is despite using a surge ...
- 443
2
votes
1
answer
923
views
What are the effects of power dips (brownouts) on computers?
A lot of UPSs advertise they protect against "brownouts". What exactly is the effect on a computer if the voltage goes low but not completely out? Where I'm currently living the lights frequently ...
- 8,231
0
votes
0
answers
420
views
Uninterruptible Power Supply Unit Failure, Or Is It the Battery?
I have an APC brand, SUA750 Model UPS unit that has been in service since late 2008. Recently, it failed completely when there was no power outage. (If any power outage occurred, it was for only a ...
0
votes
1
answer
868
views
PC starts then stops, then starts normally
I have built a new PC very recently and everything seems to be in place. But when I switch it on all fans, including the CPU spins for just one second and stops immediately (it seems like the PC ...
- 101
0
votes
1
answer
904
views
Overloaded UPS, might it have damaged connected hardware?
I have an APC Back-UPS ES 400, and during a brief power failure (less than a minute), its buzzer sounded continuously. Looking up the manual, this apparently indicates an overload. It's rated to 240W, ...
- 1
0
votes
4
answers
15k
views
Is my UPS responsible for all this damage?
I have an APC Back-UPS RS 550G which I've been using in my home office for about a year. It saw me through a few power outages for which I was quite glad. However, I've lost quite a bit of time to ...
1
vote
4
answers
4k
views
PC restarts on power outtage despite having a UPS
Unfortunately where I live I do not have 24/7 electricity.
My new PC rig which is considered to be a high-end(gaming)
system is connected to a brand new APS/UPS that have these specs:
DC-AC ...
- 11
3
votes
1
answer
730
views
What can I do when my UPS overloads?
I've got a sweex 650VA and the following hardware:
i7 3770k
32 GB Ram
z77 Extreme 4
MSI nVidia GTX 980
2 HDD 5.25
3 SSD
1 DVD RW
All supported by a 700 W power unit.
When I use particularly ...
- 751
2
votes
0
answers
1k
views
What about placing a voltage regulator behind an UPS with modified sine output, to protect an active pfc psu?
I moved to an area/building where there are quite some problems with the wall-power supply.
Primaraly I would like to protect my computers, secondary I would like have some affordable UPS for some of ...
- 121
1
vote
4
answers
2k
views
Is it necessary to use UPS? [duplicate]
I'm current using Corsair VS 550 (550 watt) power supply unit ,but i don't have any UPS. Is there any chance that my power supply unit and hard disk could be damaged for not using any UPS.can anyone ...
- 113
0
votes
1
answer
2k
views
my power supply is 400w, do I need a 400w UPS? [duplicate]
my power supply is 400w, do I need a 400w UPS?
my cpu is pentium g620 2.60Ghz,2gb 1333mhz ddr3 ram,160hdd,nvidia gt210 1gb gpu,400w psu samsung 22" LED
- 3
1
vote
0
answers
569
views
My computer restarts automatically when there is power outage and the monitor is turned on, using UPS power
I have a Zebronics Power UPS which backs up the system power at the time of power outage. I have no issues with that. But yesterday night I kept a movie to download and slept turning off just my ...
- 29
2
votes
0
answers
227
views
What depth of discharge does 0% in a UPS correspond to?
When a UPS like an APC Smart-UPS shows 0% charge remaining, does it mean the deep-cycle batteries are completely discharged or that they're at 20%?
- 466
0
votes
2
answers
128
views
Would intermittent contact with the service voltage and capacitors in a power supply (inrush current) damage a computer?
If I plugged my laptop AC Adapter power cable into a UPS, causing sparks to blast out (and being unable to insert it due to the UPS being seemingly not designed for this type of plug, for whatever ...
- 167
1
vote
0
answers
879
views
Agghhh! UPS Back-Up, Laptop Charger, Sparks
Boy… ok. This is so frustrating! Ok so, I've been getting a whole lot of problems with the electrical grid here lately: spikes, surges, lows, brown-outs, all kinds of problems, it's terrible, short-...
- 167