Questions tagged [charging]

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My linux thinkpad is not charging when connected to AC

The manufacturer of the adapter said I need to update my drivers and send me a link to install this https://www.iobit.com/en/driver-booster.php I'm Linux based so it's not an option. The adapter is ...
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How do I determine if my laptop can charge through USB-C charger? I do have a C type port on my laptop but not sure if it will charge

I have a HP Laptop PC 15-dw3000 (31R09AV) with a USB-C port. If I don't have a cable to test it with, is there a way to determine if my computer can charge through this port? If I do have a USB-C ...
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Lenovo Ideapad 330 laptop not charging

My Lenovo Ideapad 330-15ICH laptop has been having battery problems for a few months, and as I was it today, it started charging at around 35%. I tried to use it as much as I could in the time ...
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Is it better to continue the uncomplete charging session of the laptop battery after waking it up or should you just let it discharge first?

I am using a new battery on my laptop. My OS is Windows 10 and I've searched for this question for a long time. Suppose it's the end of the day and you are doing the last things on your computer while ...
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would disabling a GPU in windows reduce a laptop's power consumption?

So let's say I have a laptop (ThinkPad P15 Gen 2) with a 230W power adapter, a 140W NVIDIA RTX A5000 Max-Q 16GB GDDR6 and an 11th Generation Intel Core i9-11950H Processor with vPro. Let's also say I'...
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2 answers
44 views

Dell Inspiron battery diode on indefinitely

I have a Dell Inspiron 15 Gaming 7577 with specs hardly IMHO important, but someone might be of other opinion, so let me start with all that non-sense: BIOS/UEFI: updated to 1.16.0, latest to date; ...
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1 answer
36 views

Vaporizer not recognized by windows when charging through USB [closed]

I would like to check the voltage (V) and current (A) with which my XMax Starry v3 vaporizer is being charged. I have tried different ports but it doesn't seem to make a difference. Do devices that ...
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If I charge my iPhone using MacBook USB, while the Macbook is charging, will that affect battery life negatively?

If I charge my iPhone using a MacBook USB port while the MacBook is charging, will that affect battery life (of either the MacBook or the phone) negatively? I would think not, since the battery is ...
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1 vote
2 answers
45 views

Can I use the same docking station for two different laptops? [duplicate]

I got an HP G5 Docking Station for working at home and thought I could use that to connect all my stuff and to my private laptop and charge that private laptop aswell. However, obviously the two power ...
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2 votes
1 answer
639 views

USB-C Splitter for Power-in & A/V-out - Does this exist?

I have a Lenovo ThinkPad laptop that has a single USB-C port (plus a couple of standard USB 3 ports and an HDMI port). The USB-C also happens to be the main charging port for the laptop. I have a ...
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Unjustifiably high CPU usage after plugging in charger

I have an HP Pavilion gaming PC.  Two weeks ago this started happening: Every time I plug the charger, the CPU goes to 100% for no reason.  It used to be a one-time thing and could be fixed when I ...
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150 views

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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Charger turns off when laptop have battery in it

My E6430 laptop works fine with only charger or only battery. But when I plug charger after inserting the battery the charger turns OFF. But my laptop stay ON on battery. So, I cannot charge my ...
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ASUS screen goes half black when is charging

When I charge my laptop, bottom screen goes half black enter image description here
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1 answer
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How can I fix my USB keyboard that keeps on chattering whenever I plugged in my laptop to its charger?

I recently bought a USB keyboard and I am not having any problems with it unless I put my laptop on charging, it starts to chatter (single key press results in multiple registered inputs). My laptop ...
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1 answer
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Windows 11 Laptop isn't charging on my Lenovo Ideapad Flex 5i

Windows 11 Laptop isn't charging on my Lenovo Ideapad Flex 5i even though I connected it with my given charger. I connected it through USB-c but it is not working. Windows started giving me ...
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35 views

My laptop makes a sound when it's connected to the charger and the battery is full

I have noticed that when my laptop is plugged-in and the battery is full, (Sometimes i leave it charging though i'm not using it) it makes a weird sound . This sound isn't loud at all but i'm ...
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1 answer
2k views

Disable charging of connected USB device (phone)

I often use my phone as a mobile internet hotspot, which is connected via USB to my computer. This works fine, but unless the phone is already fully charged, it starts charging its battery from the ...
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1 vote
1 answer
547 views

Keeping laptop charger plugged-in, while charging stops at 80%

I have an Acer Gaming Laptop, it comes with an inbuilt feature, that stops charging the battery when the capacity is above 80%, it can be found under Acer Care Center named as Battery Charge Limiter. ...
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How much time it will take to charge a 4500mAh battery with a 65W charger?

CHARGER INFORMATION INPUT: 100-240V- 50/60Hz 1.8A OUTPUT: 5.0V == 3.0A or 10.0V == 6.5A (65.0W MAX) PDO: 5.0V == 3.0A / 9.0V == 3.0A / 12.0V == 3.0A PPS: 3.3-16.0V == 3.0A MAX (45.0W MAX) ...
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209 views

Charge laptop from powerbank with lower output amps

I have this Sherpa 100AC Powerbank and I intend to purchase some ultrabook laptop that lasts long (for trips and hiking) and charges fast. I am trying to understand all I can about Li-ion batteries ...
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2 votes
1 answer
30 views

My computer is not turning on [closed]

I'm not sure I'm on the right site, but I really need help. I got today a laptop dell core i7 10th generation. I put it on charger. At first it was charging normally. I went away for a few hours, and ...
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1 answer
349 views

Battery charge limiter on windows 10 [closed]

I have been searching the internet for quite a while to find an app, which will limit the battery charge on my laptop, but all of them are limited to notifications when the battery reaches a certain ...
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1 answer
464 views

Is it possible to slow charge a 240W laptop with 65W power bank via USB C?

I have a Dell Precision 7750, which has a strong GPU, and therefore a power adapter with 240W. When I'm on the road, I need to charge the laptop with a power bank. My power bank is 65W. I want to ...
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Shorted a charging port; can I just use a different one?

I have a Thinkpad T480s which has 2 USB-c ports that can be used for charging. Last night I plugged in my laptop and the port and charging tip started burning and now have burn marks on them. Can I ...
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1 answer
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I have an old Dell computer but the charger does not work

I have an old dell computer that has the regular charging socket malfunctioning. I have been trying to find if I can use a charger that has USB C and then use an adapter on the laptop to convert USB A ...
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33 votes
6 answers
7k views

Do DC adapters consume energy when no device is drawing DC current?

Do DC adapters consume energy when no device is drawing DC current? Or… Can I leave my mobile (5-20 W) or laptop (40-60 W) chargers plugged in and switched on and hope they won’t draw current if my ...
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3 answers
1k views

Is it safe to keep my laptop plugged in all the time?

I am using battery health software which came factory installed with my laptop which limits your charging percentage to 79% and no matter how much I charge it, it will not go above it. I did this to ...
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1 vote
0 answers
445 views

Increase power on USB port to 2A on Manjaro Linux

I want to charge my Apple iPhone SE (the old one) with my Laptop Huawei Matebook D with Manjaro Linux installed on. I was already able to increase to power from 100mA to 500mA using tlp. Now the phone ...
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1 vote
0 answers
41 views

Do cables exist that will both charge via usb micro, but also function with a female usb port [closed]

I have a tablet, in particular, a Hyundai Protocol x8. The only port on it is a USB 2.0 micro type B port. I can use a USB micro B to USB A Female adapter, then a USB hub, to plug in a keyboard, ...
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2 answers
595 views

Not charging while laptop in use otherwise charging

Hello, My leptop brand and number is (HP-ac124TX), laptop is charging well (orange light) when the laptop is not turned on and as soon as I'm turning it on it is not charging (white light), as matter ...
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1 answer
1k views

Inconsistent Display Color in Charging and non-charging state

I bought the Asus ROG Zephyrus G14 couple of weeks ago and I use it for work so much that I have to charge it twice a day. The problem is that I have noticed a sudden improvement in the Color of the ...
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1 answer
268 views

I accidentally broke my charging port of my laptop and its not turning on anymore. Is this serious?

I accidentally broke my charging port of my laptop. The plastic in the middle of the port that holds the non-insulated cables inside the port just fell off so the cables were free to touch. My laptop ...
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1 vote
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New Laptop Battery - should I be concerned about its life?

My sons laptop battery needed replacing, so I purchased a (ostensibly new, legitimate Dell OEM) battery from a local supplier, however the battery behaved in a way I don't recall seeing before (in ...
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Can I use Lenovo Type-C charger (20V) with Macbook Pro 2019 (20.3V)? [duplicate]

My Lenovo Thinkpad laptop came with a Type-C charger that has multiple output specs. The output specification of the Lenovo charger is: 20V/3.25A, 15V/3A, 9V/2A, 5V/2A. Can I use this charger to ...
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1 vote
1 answer
117 views

Charging a laptop with usb c charger but it does not support it will damage the port?

So there is a reverse charging thing built into smartphones nowadays.I connected my phone to the usb port of my laptop and my laptop said charging is not supported from this port and I saw that ...
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1 vote
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My laptops screen turns black after unplugging from charging

My laptops screen turns black after unplugging from charging. I have tried many things like updating drivers and messing with battery and display settings, but nothing works. The weird thing is. ...
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0 answers
25 views

Laptop turns off after connecting adapter

I have an HP ProBook 4520s. When I connect AC adapter to it, it turns off immediately and I cant turn it on again for about 20 minutes. Charging LED doesn't turn on. Adapter voltage looks normal. What ...
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2 votes
0 answers
223 views

Battery: energy-full-design much lesser than energy-full?

I replaced the battery of my laptop. The battery seems to work, but the max charging value is higher than the max charging value by design: Device: /org/freedesktop/UPower/devices/battery_BAT0 ...
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2 answers
4k views

How much time to charge a laptop the first time if it's at 0%

Recently I bought a replacement battery for my laptop. The battery was completely discharged (0%). I was nor able even to boot the BIOS. The battery should not be at least at 40%, to avoid wearing? ...
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2 votes
1 answer
2k views

How does the retaining mechanism work on USB-C, and what will wear out?

I’ve looked for a good crossection of the mechanical elelements of a usb-c connector, and I can’t find a good one. I’m curious how the retaining mechanism (the thing that makes it “click” in to place) ...
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0 answers
463 views

Lenovo thinkpad laptop shutting down on its own

I have a very weird problem with my lenovo thinkpad E540. Sometimes when I use the laptop it shows a message that the battery is very low and the laptop shuts down on its own. Perhaps i should say ...
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1 vote
0 answers
38 views

Laptop charging indicator switches between fully charged and charging

I have a HP 15 bs024nq that is 2 years old, I got it in September of 2018. It started happening a week ago. When I charge my laptop(no matter the operating system, it happens on GNU/Linux and Windows, ...
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1 answer
556 views

Performance and temperature both massively increase while plugged in on my lenovo ideapad gaming laptop but stay extremely low while on battery

Laptop specs: Processor; Intel core i5-10300H 2.50 GHz , 8 gigs ram ideapad gaming laptop lenovo 81Y4 (less than a month old with all drivers updated) Nvidia geforce 1650 and intel uhd graphics which ...
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30 views

How can I tell macOS not to charge the battery but allow it to run with the power cord plugged in?

After two years my MacBook Pro (2017, Touch Bar) has a battery that’s getting bloated. I can’t replace it or get help at the Apple Store. Since I use it at home plugged in 99% of the time, I’d like ...
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0 votes
1 answer
566 views

Holding/pushing in charger hard to charge ASUS

I have to literally stand my ASUS up sideways for it to charge. Or, when using I must push the cord in my laptop hard to keep the battery charged. I've invested in a new charger. But, it seems to ...
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4 votes
1 answer
734 views

What can a program find out about a USB-C cable attached to the computer?

I plug an unknown USB-C cable into my computer. Theoretically, could a program read information about that cable? In particular: What version of USB it supports: 2.0, 3.1, etc. Whether it supports ...
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1 answer
417 views

Laptop won't charge - burnt DC Jack

I bought the MSI GS63VR 6RF 3 years ago or so and all of a sudden the laptop begin to stop charging unless I lifted the charger cable, directly at the port, in an upwards direction. I thought the ...
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1 vote
3 answers
523 views

I have a lenovo idea pad slim. Whenever i unplug the charger the brightness dims. How do i turn this feature off?

I have tried to alter it but so far had no luck. I am unsure how to turn adaptive brightness off, and when i attemt to change my settings, it says 'balanced' is my only option in regards to display ...
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1 vote
1 answer
55 views

External battery (powerbank) discharged immediatelly upon DC-IN unplug [closed]

I just bought a battery Viking Smartech II, and I have this problem. It started slowly to charge, from 1% up to 20% after an hour. I wanted to test it so I unplugged the power cable from DC-IN - and ...
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