Questions tagged [voltage]
Voltage is the measure of electrical current. This tag should only be used when asking questions related to powering computers and peripheral equipment. It is not for asking about voltage issues related to the commercial supply of power to your home or office.
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Check CMOS voltage from inside OS [duplicate]
I was recently diagnosing a time drift issue for a client located in a different city.
Their workstations were having issues accessing the Windows 2019 server due to this drift.
Based on the age of ...
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Is it safe to replace a 11.25V laptop battery with 11.1V or 10.8V?
I need a replacement battery for an older laptop that originally came with an 11.25V Li-ion battery (presumably 3 cells at 3.75V each).
The batteries I found online mostly have a nominal voltage of 11....
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How many AMPs can a powered USB hub output to a 3.3V NVMe drive (USB 3.0 & 3.2 Type A)
It is my understanding that powered USB Type A 3.0, 3.1 and 3.2 switches have over current control and will only output 4.5 watts around 0.900ma unless the output port is a type-c non pd port on the ...
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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 ...
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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 ...
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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 ...
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Can I replace my 11.55 V laptop battery with 15.4 Volts
I have an HP 15-CX0056WM gaming it came with an SR03XL battery 3 cells 11.55 volts 52.5Wh
The replacement was SR04XL 4 cells 15.4 volts 54 Wh, is it okay to use it?
The vendor told me that this is the ...
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Voltage of SODIMM DDR3 slots [closed]
I found conflicting information on the
usability of a SODIMM DDR3L module, low voltage (1.35v), as a replacement for a DDR3 module (1.5v), including the mention from someone who has a computer store.
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The purpose of PSU & motherboard -12V line
Typically PSUs have -12V line rated about 0.2 - 0.5A. But for what is it used?
Is it used for example with one of the +12V lines to get total 24V?
What component or so needs that -12V or possibly 24V?
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How can I detect the USB-C power delivery voltage?
I have an HP laptop which I charge with a USB-C charger through the USB-C port. I have no idea which power delivery (PD) version it has and if it's PD-compliant at all. However, as the charging works, ...
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Laptop only boots when no internal drive is connected
TLDR: Laptop will not even boot to the BIOS menu when an internal SSD or HDD is connected, there is no visible damage on the motherboard. When booting from a sometimes working and long time taking USB ...
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Server power requirements
The computers that I’ve been exposed to only require a typical American 120 volt outlet to the PSU. From what I understand, depending on the homes electrical layout you’re limited to about 15 amps, ...
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Why is the CPU on my HP suddenly under clocked and seemingly cannot go higher?
My laptop base speed is 2.19 sometimes my FPS drop to 1.89 GHz but it be stuck on 2.19 GHz and and it use to overheat a lot which made my PC slower so I had to use a cooling pad and now it's stuck on ...
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Powering my laptop from DC to DC converter?
I use my laptop Lenovo Y700 on solar system, but much energy is wasted when converting DC power to AC and then back to DC.
So I bought a 12V DC to 20V DC converter.
Is it safe? Or may it damage my ...
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Can I use a smart socket with an input voltage of AC 120V and plug it into a 220V outlet?
Using a Smart Socket
Model SP10
Made by Teckin
It's meant for use in the USA with 120V power outlets but it is being used in the Phillipines with 220V power outlets.
