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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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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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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Lenovo Trim Yellow rectangular power adapter
Need Lenovo Yellow Power adapter connector information, its a MYSTERY to me!!
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Hello all, I recently just purchased my first Lenovo products with the new Yellow rectangular power adapter.
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Turning on lamp pauses sound in my headset
I have my headset connected to my PC with USB. When I turn on my lamp on my table (fluorescent) the music from my headset pauses for about a second while the lamp powers up. Then it's back to normal. ...
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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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Charge Apple computers bought in USA to use in Europe
I bought an Apple MacBook in the US and would like to use it in Italy. On the cable, it says: 2.5A 125V. What are the possible solutions to charge my computer? Use an adapter, a plug converter or an ...
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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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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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Does Silicon Lottery apply to individual CPU cores/threads compared to the others?
Can individual CPU cores or threads clock faster than the others due to Silicon Lottery? Is it then reasonable that the rest of the cores are held back by the slower one as they need to match it's ...
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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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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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How to detect what wattage that my Windows laptop is receiving via USB-PD?
I don't know too much about USB-PD. I understood that USB-PD requires negotiation between the charger and the receiver. So probably my Windows laptop (Dell XPS 9570) should be able to know the current ...
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Can low voltage damage laptop or it's battery?
Sometimes I get very low voltage in my house. I am worried if I connect my laptop charger to the socket, will it damage the charger, battery or the laptop itself?
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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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USB-C Chargers: Is it safe to charge a phone with a laptop's power supply?
I have an HP Chromebook and a Nexus 6P smartphone, and both of them use USB-C connections for charging. When I plug the Chromebook into the Nexus's charging cable, it works fine and I just get a ...
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