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0
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0answers
19 views

Battery is not getting charged

When I plug in my charger, my laptop starts charging the battery. But after some time, it stops. Then it starts again, but it keeps stopping and starting the charging. How can I determine what the ...
0
votes
0answers
8 views

Charging device with magnetic charger causes my thumb drive to stop working until it's pulled out and replugged

So, I have a pebble smartwatch that charges with one of those magnetic connectors. Sometimes, when charging on my computer, when I pop the connector on the watch, my thumb drive, which is also plugged ...
1
vote
2answers
405 views

Residual charge on laptop

My Sony E series laptop is only 9 month old and seems to have a residual charge problem. My laptop was fully charged and was working fine a night before, but when I tried to switch it on the next ...
0
votes
0answers
11 views

Asus UX32A - Battery Charging Weird Problems

Laptop Model - Asus UX32A OS - Windows 10 All of a sudden for some reason I have started seeing this weird problem in my battery charging. When the power cord is connected the battery icon says "No ...
23
votes
3answers
45k views

Is there a USB wall charger that “just works” with every device?

Background Almost every gadget today is charged over USB. It seems like a good idea since everyone has a computer with USB, but fumbling behind a computer and making sure that computer is on and does ...
0
votes
2answers
5k views

Battery only charges when Laptop is off

My laptop only charges when it is off. If I try to charge it when it is on it says "plugged in, not charging". I just got it 3months ago and I've not changed its battery or charger. My Laptop is an Hp ...
2
votes
1answer
65 views

Charge my laptop/external laptop power bank from usb-output-only power banks?

I want available backup power for my laptop (ASUS ux51vz, 19V/4.74A), I've got a pile of 10-20k mAh power banks, and I'd like a solution to marry the two somehow. I know that I can get an external ...
6
votes
5answers
61k views

Charge a laptop via USB power (500mA)? [closed]

My laptop is almost dead and I do not have the charger. Is there anyway I can DIY a charger for a laptop. Even if it takes 20 hours. To make it clear, I want to send power from a usb port on another ...
10
votes
5answers
9k views

How do I keep a MacBook battery charged to only 70%?

A chemist told me that a battery should be charged to and used between 30-70%, and its very bad for battery life to completely load or unload it. He uses a utility program that always keeps the ...
0
votes
1answer
74 views

Laptop Battery is not charging above 59%

I recently purchased Lenovo G50-80 laptop and installed ubuntu 14.04LTS, when i put my laptop on charge it is getting stuck at 59 and not charging above that. Please provide a solution.
0
votes
1answer
102 views

Which power source(16A or 6A) should i use for my laptop charging having adaper input 2.5A & output 6.7A?

I'm using a Dell adapter: Input: 100-240V~2.5A(2,5A) 50-60Hz Output: 19.5V(19,5V)==6.7A(6,7A) I always connect it to 230V 50Hz 16A in my home and 6A in my office. Is it safe for my laptop? Please ...
0
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0answers
20 views

Regarding USB battery charging, what is a 'unconfigured device'?

The USB Battery Charging 1.2 Specification says that 'unconfigured devices' are allowed to draw up to 1.5A for CDPs and DCPs, whilst configured devices are able to draw up to 5A as long as the ...
0
votes
2answers
26 views

Is it possible to get current over 500 mA using PC USB?

I heard that charging USB devices using PC is slower than using AC sockets. If that is true, is there a way to achieve the same speed using PC or is it standard for motherboards to limit USB current ...
7
votes
1answer
590 views

Will a USB 2.0 device charge faster plugged into a USB 3.0 port? [duplicate]

Fairly simple question, do USB 2.0 devices charge quicker if they are plugged into a USB 3.0 port rather than a USB 2.0 one. I’m not asking about a specific device I have, I just mean in general. I ...
1
vote
5answers
27k views

Laptop battery says plugged in, not charging

My laptop's battery tray icon sometimes says "plugged in, not charging". How do I make the battery start charging again? Lenovo X230, 6-cell battery, Windows 8.1 64-bit. This question says that ...
0
votes
2answers
243 views

Car charger for a laptop

I have a laptop that has a charger that outputs 19.5V 7.7A. I want to be able to charge it in a car. One solution is to use an inverter in the car that takes that car's 12-15V DC and inverts it to 110 ...
0
votes
0answers
97 views

Asus F553M wont charge and won't power on

I used the laptop this evening until it had 7% battery left, then I just closed it without shutting down. I tried charging it tonight but it won't charge and it won't power on. The blue Light on the ...
0
votes
1answer
36 views

Need to charge my laptop from my powerback? [closed]

I have a power bank that that has USB outputs for charging. But the cable I got with it only goes into my Samsung Galaxy S4. What I need is a cable to jam into that big ol' hole on my Toshiba laptop ...
0
votes
2answers
40 views

Why does my laptop charge my phone even when it's powered down?

I have an HP Envy M6 with a USB 3.0 port next to its charging port, doesn't matter what state the Laptop is in, Sleep, Hibernated, and completely powered down. It never stops charging whatever phone ...
-3
votes
1answer
51 views

Battery drops down suddenly

I have purchased a LENOVO YOGA 300 recently. The battery discharges from 95% to 45 % normally and suddenly jumps to 7%. Pl suggest. Its just 2 month old Laptop.
0
votes
0answers
8 views

Asus x202e Power Port Not Working

I have a service contract with Asurion. I have sent my computer in twice for a problem they can't seem to find. My power-dc is not working. I at first thought it was my cord so I brought a generic ...
0
votes
3answers
57 views

Will I damage the laptop if I always use a travel adapter to charge it? [closed]

This scenario could happen if I bought a laptop in one country but later moved to live in another country with a different power standard. Will it be safe to just add a travel adapter on the plug and ...
0
votes
0answers
44 views

ASUS N550JX-DS71T Monitor brightness fluctuates when laptop is plugged in to charge

ASUS N550JX-DS71T laptop (windows 8) When laptop is plugged in to charge three very annoying and nearly work-stopping things occur: monitor brightness fluctuates, sound crescendos/decrescendos, and ...
7
votes
3answers
10k views

Does a laptop computer charge faster when off?

A laptop power supply can supply a limited amount of power. Conceivably, then, when the computer is running, some of the power must be diverted to the processor and other components, leaving less to ...
0
votes
1answer
521 views

Is it safe for keeping my laptop plugged in while updating to Windows 10 via windows update

I have Dell XPS-L502X(Early 2011) Laptop with 6-cell battery and currently I'am Downloading Windows 10 via Windows Update from windows 7 home Premium-64 bit. But my Internet Speed is just 512 kbps ...
10
votes
6answers
5k views

How can I make Windows not mount a drive when it is plugged in?

Due to my employer's IT policy, I'm not allowed to have any kind of MP3 playing software on my computer. I do, however, like to plug my iPod into my computer to keep the battery charged during working ...
0
votes
1answer
42 views

how to correct first battery discharge for smartphone

I would like to know how to take corrective action on the first charge cycle. I have just bought a new smartphone and completely discharged before full charging. However i just came across articles ...
0
votes
3answers
21k views

Docking station power adapter is not recognized by my Dell notebook

At this morning, my laptop (Dell Latitude e6410) gave me this error. I didn't do anything, I didn't change anything. And I got this docking station just 2 month ago. I made a little research on the ...
20
votes
2answers
37k views

Can I use a charger with more output amperage than the device needs?

I've just bought a portable battery, but the portable battery don't comes with an adapter for the house current; it only comes with a USB cable so I can charge it with my laptop. My mobile phone came ...
1
vote
1answer
130 views

How to restore a laptop with a damaged DC charging port?

I have a Samsung NP-RC512 laptop where the the female side of the DC charger port has been damaged. It has been sitting in the closet for over a year now and it is in the condition shown in the ...
-1
votes
1answer
24 views

Can a USB charging port support a HUB for additonal charging?

Useful and helpful info regarding USB charging. I googled my question and found this site but did not see an answer for my specific question. Here goes.... I have a power strip (surge suppressor) ...
0
votes
0answers
50 views

USB Port not charging Galaxy S5 Tab

My Galaxy S5 Tablet will not charge through the USB port 2 0r 3 although it charges normally through the wall connection. How can I test the power output of a USB 3 port. My PC is a very high spec ...
0
votes
0answers
139 views

How to properly calibrate new laptop battery which shows full capacity as ~20% of designed capacity?

I have a very unique problem as I can see. I have bought a new battery (not original brand) for my 3 years old Toshiba Satellite L750 (running Win 8.1 Pro) notebook. My old battery was about ...
0
votes
1answer
184 views

Laptop charges the battery only when power-off

I have Lenovo Ideapad Z710. It is 5 months old. This started to happen yesterday. While I'm on Windows 8.1 it says that the battery is charging but in reality it is discharging. However, when I ...
1
vote
2answers
16k views

Laptop Brightness dims when charger is unplugged(no solution)?

Hello yesterday i bought DELL Inspiron 15 (3542) win 8.1. And noticed that if charger is plugged on, screen becomes brighter, and after unplugging dimmer. Of course i tried adjust screen brightness, ...
4
votes
3answers
20k views

Is it safe to use any USB charger for charging any USB device?

I have an apple USB AC charger which is rated to provide 5V, 1A output and a Sony mp3 player NWZ B143F. I don't know the spec of Sony audio player. But I have another mp3 player from Transcend which ...
-1
votes
1answer
42 views

Nexus 10 isn't showing up under Computer -> Devices and Removable Storage - [Solved] new USB to micro USB cable only charges, but no data transfer

Recently, my Nexus 10 isn't showing up under Computer -> Devices and Removable Storage when I plug it into my computer with a USB to micro USB cable.
0
votes
0answers
62 views

Charging in USB-2 power delivery mode via a USB 3 port

My computer has a USB 3 port. My Android phone has a USB 2 micro-usb port. It is capable of charging at greater than the 500mA which can be provided by USB 2 data mode by using Power Delivery mode. ...
7
votes
2answers
19k views

Laptop battery charge management software [closed]

I work on a HP laptop plugged in most of the time, and after few months the battery went off-duty. Of course, I could remove the battery each time the laptop is plugged and place it each time I must ...
4
votes
3answers
23k views

How to disable USB charging of external devices in windows 7

I'm using nokia mobile as a modem to connect internet . Now i want to prevent the USB charging feature via my laptop USB port. Because it drains my battery backup quickly while running without AC ...
5
votes
4answers
14k views

Can I use a charger with less Ampere than the original?

I have a Sony Vaio PCG 61212W laptop. Because I got it from India, I needed a Uk power cord. I therefore ordered a power cord which is 3A and 250 volts. But the one I have with me currently reads ...
2
votes
1answer
881 views

HP 4530s laptop works with power cord but won't charge battery

Suddenly, two days ago my HP 4530s laptop stopped to be able to charge its battery. Since I was noting that the whole battery was dying since some weeks ago, I bought a new one. Either with the old ...
1
vote
2answers
35 views

Using a “unapproved” charger with phone. Any actual real dangers? [closed]

I have a OnePlus One. It states that I should only used approved chargers (aka the one that came with the phone). Is there any real danger with using for example an iPhone wall to usb adapter to ...
1
vote
1answer
66 views

Laptop cuts from external power when using too much energy

I have Acer Aspire 7750G and I've had this problem for some time now. I had problems with my display, it was going white for some reason. When I got it back from a repair shop, they said it was a ...
0
votes
2answers
5k views

Laptop battery won't charge after virus

My laptop got a virus and after removing it, the laptop batteries no longer charge. I tried reinstalling the drivers in the device manager for Battery→ “Microsoft AC adaptor” and →“ACPI ...
0
votes
1answer
181 views

Maximum current when charging a device through a computer USB 3 port using a USB 2 cable? [duplicate]

Just got a new MacBook with USB 3 ports. I thought it would be able to charge my Nexus 4 phone much faster using USB 3 900 mA current. However, I haven't seen any improvements compared to charging on ...
0
votes
1answer
156 views

Should I keep my laptop plugged in as much as possible? [duplicate]

I know there's already some feeds on this but I just can't get one straight answer. Everybody says different things. I have an Asus laptop with a Lithium-polymer. I do game a lot so what's your ...
4
votes
1answer
9k views

How to disable a USB port in Windows (XP) and make it available only for charging?

How can I disable a USB port in Windows XP to make it available only for smart phone battery charging? I don’t want the users to be able to see the USB drive in My Computer, and the USB device ...
0
votes
1answer
266 views

How long does it take for a new laptop battery to get charged? [closed]

I just bought a new 6 cell Lenovo battery for my Ideapad. But it doesn't seem to get chraged. It's been an hour but there is no change in charge percentage. Is it normal for a new battery. At first I ...
14
votes
2answers
19k views

Will a mobile phone charge faster if plugged into a USB 3.0 port

Will a phone(or any device for that matter) charge faster if it is plugged into a USB 3.0 port compared to a USB 2.0 port? I know to assist charging you can turn features off(with flight mode) or ...