Questions tagged [charging]

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Powerbank Logic [closed]

The 'logic circuit' , if there is one, in my Xlayer power bank was messed up by a faulty charger. (This power adapter supplies 5v, 2.4A, but had recently been ruined by overheating. Not knowing this, ...
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23 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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1answer
18 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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1answer
100 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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1answer
45 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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3answers
63 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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1answer
36 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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1answer
30 views

Laptop not charging nor turning on

Since a few weeks ago I'm facing a issue with my HP laptop. It's almost a year old. It used to work fine but few weeks ago, when I was working on it, it suddenly turned off without any warning. I ...
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1answer
28 views

Is it better to charge a battery to 70% every day, or 100% every two days? [closed]

:D Currently I have a smartphone with a battery big enough to use it 2 full days without needing to charge it, but lately I have been investigating about not charging it to the maximum, what helps ...
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1answer
32 views

My laptop's charger will not often work

I don't really know how to explain this problem or what causes it. My laptop charger takes a lot of work for it to actually charge my laptop. For example, I can't just plug it in. I have to move my ...
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1answer
252 views

Can I charge my HP Probook 430 G5 from 2018 with my Galaxy S10+ USB-C Adapter

my Name is Nicolas. I need to charge my Laptop but I don't have my normal Charger here, so I've done some research about charging possibilitys and found out that my Laptop has USB-C Port which is also ...
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2answers
90 views

What would happen if one plugged a USB flash drive into a phone charger?

If someone were to insert a typical USB flash drive into a USB-A smartphone charger, what would happen to the flash drive? Furthermore, what would happen if a wireless adapter or other non-storage USB ...
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1answer
91 views

Games run better when I'm not charging

I couldn't find any answear/solution for my problem, which is when I play a game like GTA 5, GTA 4 or basically any other, I get worse FPS (Like 30fps less) when I keep my laptop charging. On the ...
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0answers
23 views

How many watts required over PD to charge my notebook

I have an HP Elitebook that is charged via a USB-C PD port. I am trying to work out how you work out what is a sufficient power source to charge it - not my specific model, but hopefully the general ...
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0answers
100 views

Why USB-C Power Delivery charger and USB-IF cable is not charging the phone? [closed]

I have a USB-C charger with Power Delivery specification (it can charge 5/9/12/15V==3A and 20V==4.35A). Not sure if this is Power Delivery 2.0 or 3.0. I'm using a USB-IF Certified cable, up to 100W (...
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0answers
125 views

Laptop discharging when an USB C device is plugged in

I have an interesting charging issue with a new laptop. When I connect it to an external mouse and monitor with a USB-c hub, it slowly loses charge even with the charger plugged in. After some ...
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0answers
87 views

Do USB cables lose their rapid/fast charging over time?

I have several new micro USB cables. I have a phone which can be charged quickly using a fast charger. The screen says' Charging Rapidly' when it's fast charging. After a few months, the rapid ...
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1answer
65 views

I want to charge a tablet that requires 5V / 3A power input in the field with a powerbank. The tablet uses a 3.5mm / 1.3mm DC barrel plug

I have a 45w PD portable charger that has 1 USB Type C output at 45W, DC 5V/3A, 9V/3A, 15V/3A, 20V/2.25A and 2 USB Type A outputs with DC 5V/3.4A Total, DC 5V/2.4A max each. The tablet charges ...
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1answer
63 views

Turn on laptop as soon as it starts charging

Is it possible to make the laptop start up when detecting it's charging? It has Windows 10 operating system and the laptop itself is Asus 17,3" ROG Strix GL703GM. i have my laptop charger plugged in ...
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98 views

New battery not charging

after replacing old battery od my notebook, bios complained that there is a problem with battery and linux shows charging, but after hours, there is still 3%. Also, the overal system is somewhat ...
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1answer
54 views

Flaky Lenovo docking station with Debian Linux

I experience flaky connectivity with my Lenovo T490s and the USB-C docking station. Symptoms: - External monitor drops out - Charging laptop battery requires reconnecting the USBC cable multiple ...
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1answer
49 views

Process ntoskrnl.exe CPU usage jumps from 1% to over 40% precisely when using I/O

the problem occurs with the following system. Device: Lenovo Ideapad 730S - Windows version: 10.0.18362 Build 18362 So ntoskrnl.exe is running just fine as long as all the USB-C ports are left free. ...
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0answers
41 views

is my laptop too powerful for airplane use? [closed]

I have a laptop that pulls 20V 6.75A 135W and I have never once been able to successfully charge it from a plane. Another laptop, however, has always charged without issue. That laptop pulls 20V 4....
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0answers
31 views

Ethernet and charging cable connected cause computer freezing and screen flickering

When ethernet and charging cable both are connected the following occurs: After ~1-20 minutes of usage, my computer freezes and I have to press the power button to shut it down. My screen flickers. ...
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1answer
84 views

Charging issue with Asus S200E

I have an Asus S200E series laptop that runs Windows 8 and I'm having trouble charging it. The Laptop will only charge when it's off (orange indicator turns on), and this also is not consistent, ...
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0answers
957 views

How can I get HP Sleep and Charge to work?

My laptop has a USB 3.1 Gen 1 (HP Sleep and Charge) port, but I don't seem to be able to get it to work. The connected device stops charging when I put my PC to sleep, or turn it off. I have already ...
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3answers
1k views

Asus Battery Health care : I can't choose any mode

I just bought an old asus K73SD laptop. Its battery only charges up to 56%, and then stops charging. After a few researches on the net, I found the "Asus battery health care" program, and installed ...
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1answer
30 views

What is the architecture of laptop's blinking light. I have an Asus R558u laptop

When I put my laptop on sleep mode, the light starts to blink which is fine. But even after 10 hours of leaving it uncharged, the battery is retained very well. I want to know what is the architecture ...
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1answer
43 views

Battery Laptop Charging very slow. Battery Diagnostics; charge rate 10.000mw

I have a new laptop. But It takes 4 hours till the battery is full. I get 95% battery health status. My adapter is 45W (19V at 2.3A). I get this rates when charging: enter image description here ...
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1answer
61 views

Why won't my Acer batteries charge

I have 2 Acer E5 575G laptops. The battery in one died and I bought a replacement. After installing the replacement the battery shows 39% available, not charging. I contacted the seller who said ...
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0answers
22 views

Charging and display connection nat the same time

I'd like to connect a 4k display and an 87W charger (and eventually more usbs) via one C cable to a computer. I haven't found an adapter cable of delivering 87W and display connection simultaneously....
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32 views

My HP DV 6000 laptop not booting without battery and wont charge its battery

My laptop works on a charged battery but have refused to charge the battery even though the icon displays charging, the battery will continue to run down and it does not power up without the battery. ...
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0answers
13 views

iPhone 7 charging on networked work PC

I often charge my personal iPhone using the USB port on my work computer which is a PC that doesn’t have iTunes. I always deny access to the computer when my phone prompts me upon plugging it in. Is ...
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93 views

Can I use OTG USB hub to simultaneously charge tablet and connect it to a PC

I think this question has been asked a few times, but not exactly the way I am trying to get it answered. So asking for my specific need: I have a Samsung Tab S4 that can be connected to a PC/Laptop ...
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1answer
859 views

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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0answers
62 views

Slowly charging laptop after charger replacement

I have browsed questions with similar title on this site, but my case is different. Recently, my charger was not getting connected to my laptop. Then I replaced the charging cord which now connects ...
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0answers
166 views

Is it safe to use non-genuine laptop's battery

I own an Hp pro-book 430 G2 Laptop, While I found batteries compatible with this model they weren't exactly the same. My battery is RA04XL while What I found has RA04 written on it. Both batteries Li-...
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0answers
36 views

Is it safe to use a different battery

my new battery just arrived, it’s an 44 Wh battery, 2850 mAh while my old one is 40 Wh, 2550 mAh. Is it safe to use it? (Both are 14.8 v) Also, when I installed it I smelled a burn inside my laptop ...
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0answers
1k views

Battery not charging on ASUS laptop GL752V

It has been a few months now that my laptop's battery isn't charging anymore. It first happened after a windows update (can't recall which one) which would then show "plugged in, not charging". At the ...
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0answers
70 views

Can I use a 5V/3A powerbank to charge a turned off laptop?

If its allowed I'll link an example case. Powerbank Output:DC 5V/2.4A, Type C 5V/3A. Laptop is 2015 MBP 13". Someone told me it's MagSafe 2 power socket won’t charge with anything lower than about ...
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1answer
4k views

Lenovo x280 Won't Turn On

I have a user that is having issues with there laptop not turning on, and I think its either the battery or the power I/C chip. When the laptop has the battery in and is connected to the mains, the ...
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1answer
324 views

Lenovo ThinkPad W540 works through the power adapter without the battery, but won't charge the battery

I have a Lenovo ThinkPad W540 that, once plugged in without a battery, works fine. However, when I connect the battery, it just won't charge. In most cases connecting the adapter into the laptop, ...
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0answers
22 views

After latest Windows 10 update, Is there a way to regain battery charging without battery disconnection?

After updating to the latest Windows 10 update, my battery is no longer charging when the laptop is connected to power. I have an Asus laptop which will require a major teardown to get to the battery ...
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2answers
137 views

Can I use different laptop charger- similar Voltage, higher Ampere? [duplicate]

My original laptop charger was output 20V 3.25A. Now I have a charger with output 20V 6.75A. Can I use it? (The real data: Can I charge Lenovo Yoga 11s with Lenovo IdeaPad 15?)
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1answer
1k views

Connecting two laptop able to charge through USB-C

What happens when you connect two laptops through a USB-C port, provided both are able to charge through it? Is that intended to be used like that? Can I transfer some juice from laptop A to laptop B?...
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0answers
55 views

Can I recharge an SRAM's internal battery with only power pins?

I was wondering if it was possible to recharge PCMCIA SRAM Card (with an internal rechargeable battery) using just the Vcc and Ground pins. A little background info: A piece of medical equipment from ...
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1answer
46 views

Is it expected for charging a phone from a laptop via a USB hub to be ineffective?

I've got a cheap old laptop and a cheap new Android phone and a cheap unpowered USB 2.0 hub I just bought. A few minutes ago I noticed that connecting the phone to the laptop via the hub, while ...
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0answers
357 views

Dell Latitude e5250 not charging

My daughters's Dell Latitude e5250 is unable to charge through the DC jack. When the adapter is plugged in (standard Dell 65W charger), the laptop runs, but it will not charge the battery. When I ...
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1answer
1k views

Computer slows down when plugged in

Recently, whenever I plug in my laptop, the CPU slows down severely. Also, it isn't charging, as it says "plugged in, not charging". The CPU drops from 2200 Mhz, to 500 Mhz. I've changed the advanced ...
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1answer
70 views

Can I charge a simple Nokia phone which has USB input (5V=450mA) with a 5V=2A/7V=1.8A/9V=1.8A/12V=1.3A supply? [closed]

I have a Nokia Asha 501 Dual Sim phone which comes with the power supply as stated in the title. It recently broke, and I decided to test if the phone's USB port which I thought was only for data ...

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