All Questions
Tagged with power-supply voltage
15
questions with no upvoted or accepted answers
3
votes
0
answers
216
views
PSU voltage and microfreezes
A week ago, my PC started exhibiting a problem. When scrolling in a web browser or trying to game, microfreezes happen randomly.
The PSU is five years old, and some of the voltages look out-of-spec, ...
1
vote
0
answers
125
views
PC sometimes turns on and sometimes not with different outlets
When the Pc is plugged to an outlet and I press the on button, it will sometimes turn on. when the pc is on and goes into sleep mode, it won’t turn back on again. I tried replugging the cord to same ...
- 11
1
vote
0
answers
2k
views
5v rails is getting 5.7v even with new PSU
I need help. I'm on my mobile typing this so i'll be word efficient. (English is not my native language and I only have a basic understanding of pc's)
What's the problem?
After the weekend I tried ...
- 11
1
vote
0
answers
204
views
Should you worry about high voltage and wattage on a non-overclocked computer?
I've been wondering if I should be worried at all about high wattage or voltage on a non-overclocked computer. I say non-overclocked because when I Google search this question or something similar it ...
- 39
0
votes
1
answer
76
views
Can a loosely connected PSU damage a laptop?
is it a bad thing that the cable connects to the power adapter block in a laptop power supply comes loose and is left alone while the laptop is under use (as shown in the picture)? I am worried it ...
- 21
0
votes
2
answers
1k
views
What could be causing this erratic power/voltage behavior with USB ports on a desktop PC?
In short, I am having issues with what looks like to be power management of USB devices by my computer. I have had the following symptoms pretty much since I bought it in November 2021.
When I connect ...
- 123
0
votes
0
answers
94
views
low voltage POST only means battery problems?
No doubt the watch battery on the motherboard long since lost its juice.
However, I'm not quite sure what error I saw on boot, I think it was before POST and I think it mentioned "low voltage&...
- 1,650
0
votes
0
answers
1k
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12v line is showing up to 14v in BIOS (DMM reading are fine)
Purely by chance, upon rebooting, in the BIOS, I saw that 12v line was showing 13.9v, although I used the computer normally all day long.
After resetting all settings in the BIOS and reboot, nothing ...
0
votes
0
answers
43
views
What do I need (powerwise) to plug my French gamer PC in Canada
I read on metastack that superuser is the place to ask hardware related stuff, hope it fits.
I recently move from France to Canada and I'm going to get my gamer PC shipped soon.
What will I need to ...
- 101
0
votes
0
answers
280
views
Console powers off and powers on in quick succession. Insufficient current? Voltage drop?
I have a question about a specific setup I have.
I have a Nintendo Classic Mini console, this console:
requires 5V/1A through its USB 2.0 micro-B female connector to power the console
outputs ...
0
votes
1
answer
331
views
checking desktop power supply voltage range.
I have a few computers. I know some of the power supply is 110-220 and some are only 220. I need to figure out which ones are which. How do I do that? I can't seem to find it in the control panel. Is ...
- 31
0
votes
0
answers
1k
views
Power adaptor seems to be outputting too high a voltage
I'm in a country with an unreliable national electricity supply, where staff in the compound in which I live run a generator at certain hours if there's no national power.
Recently, the generator ...
- 5,396
0
votes
0
answers
87
views
Computer slow after plugged into wrong voltage
So I set up a desktop computer running ubuntu in a classroom that was running through an AVR at 220 volts. I got a report that it wasn't working, so I came to look at it, and sure enough, fans and ...
- 1,697
0
votes
1
answer
75
views
Manually starting a PSU lowers the output Voltage
I have a PSU. When I start it using a motherboard, I get a little over 5 and 12 volts on the respective lines. But when I manually start it (by connecting PS_ON to ground), I get only 4.2 Volts on the ...
- 116
-2
votes
1
answer
708
views
Will an external battery power bank power an mini-ITX board (~200W)?
I was planning to build a laptop from scratch, and I've found some good DC-DC converters that allow you to use an external power source to power a standard desktop board (in this case a mini-ITX). The ...
- 1