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0
votes
2answers
16 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 ...
4
votes
4answers
9k 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 ...
0
votes
0answers
14 views

How can I make my Android phone request (negotiate for) more charge from (with) the host PC? [migrated]

Hello there is a wonderful Q&A here about detecting how much charge your phone is drawing from the computer host: How do you check how much power a USB port can deliver? In my particular case, my ...
4
votes
3answers
10k 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 ...
0
votes
1answer
30 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 ...
9
votes
7answers
14k views

Can I charge USB devices from a powered hub that isn't connected to a PC?

This will probably sound familiar to most of you... In my home, we have a whole bunch of devices that can be charged via USB (two iPhones, a BlackBerry, an iPod Touch, etc ad nauseam). We also have a ...
3
votes
3answers
2k views

Is there a USB hub that can also function as a fully powered USB charger? [closed]

I have several gadgets and a nifty cord setup on my desk that ensures I don't have to connect/disconnect cables; the thing I would love to do would be to keep the gadgets connected overnight (or ...
3
votes
1answer
85 views

How can I make my Samsung Series 9 laptop charge the battery to 100%?

I use a Samsung Series 9 laptop running Windows 7. I notice that when I connect my laptop to its charger, it charges the battery up to 80% and stops there. I believe this is to extend long-term ...
3
votes
1answer
652 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 ...
0
votes
2answers
56 views

Can I charge my laptop using an External laptop charger?

How can I charge my Gateway laptop without using a computer? My battery cannot be charged onn the computer because the mother board is damaged.
3
votes
2answers
8k views

Laptop battery charge management software

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 ...
9
votes
2answers
10k 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
4answers
1k views

AC/battery laptop issues(not a simple charging fix)

Is it possible to run a laptop off the battery while the AC is plugged in? I can play games no problem while just the battery is plugged in, but obviously that means I have to let it charge after ...
0
votes
1answer
34 views

ASUS Tranformer 101G won't charge, but USB connection works

My ASUS TF101G tablet has suddenly stopped charging. If I plug it into the wall (dock+tablet), it won't charge. I tried plugging just the tablet into the wall, it won't charge. I tried just plugging ...
0
votes
1answer
164 views

0% available, Plugged in, not charging

I have been trying to fix it all morning. I did these so called "12 easy" steps, but it had no effect.... I also tried ATX resed, whatever that is. It was suggested in one of the answers in this site. ...
0
votes
0answers
54 views

(Dis)connect laptop to/from AC through software?

Contemporary laptop (lithium-ion) batteries come with a bevy of guidance on extending their lifespan. The usage advice is particularly frustrating. You’re not supposed to drain them below ~3%, but ...
8
votes
5answers
67k views

Can I charge a computer through its USB port ? Which brand/models?

What are the brand/models of portable computers I can charge by inducing 5-volt into their USB connectors? Is this possible? I noticed that when my EeePC 900 is off but plugged in charger, there is ...
0
votes
1answer
70 views

Is there a correct way to connect the AC charger to a laptop?

I want to know if there is a correct way attach the AC charger to charge a laptop's battery. Should I plug in the charger to the power source and then to the laptop? or... Should I plug in the ...
21
votes
2answers
31k 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 ...
2
votes
1answer
3k 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 ...
2
votes
1answer
770 views

Set specific USB ports to charge-only [duplicate]

On Windows, is there any way to make some USB ports to be charge-only? I do not want to alter the settings of the devices; I want to change the settings of the USB ports on Windows, so that any device ...
1
vote
1answer
58 views

Why was my laptop unable to turn on?

I suspended Ubuntu on my laptop, and then carried it in my backpack to another place. Then I found that the laptop was off instead of being suspended. I couldn't make it power on either, even with ...
0
votes
3answers
412 views

Can I charge my nexus 4 with a USB port meant for pendrive in my car using an FM transmitter accessory(it has a USB port for pendrive) [closed]

My point is Nexus 4 needs 2.2 Amp for charging properly however the unrated USB port on FM transmitter will not be providing that much current as it is meant for a pen drive. When I connect it to my ...
6
votes
3answers
3k 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 ...
2
votes
3answers
3k views

Freezing a dead(ish) laptop battery

I have a Compaq CQ50-215CA laptop with a battery that does not properly hold charge. Vista's battery meter does not read the remaining charge left; the laptop will randomly shut down at ~60% and ...
2
votes
6answers
5k views

Is it safe to plug USB devices on 220v wall sockets?

I have an ipod touch and since then I've been charging it on the PC via USB. I just want to know if it is safe to use those wall socket chargers for USB devices? Is it different on every device, or is ...
1
vote
1answer
1k views

Laptop forgets that it's plugged in while gaming

I just recently received a new laptop a couple of days ago and I've noticed that, whenever I'm gaming, the laptop spontaneously forgets that it's plugged in. That is, even though just a minute ago it ...
0
votes
0answers
239 views

Replacing 11.1v 4400mah Gateway battery with 11.1v 6600mah

I have 2 Gateway T-1620 laptop computers. When the original 11.1v 4400mah batteries went soft I replaced them with 6600mah batteries to give longer off-line use. Both laptops will charge either ...
3
votes
4answers
6k views

Dell Inspiron 6400 indicates the wrong power adapter is plugged in and will not charge the battery

I am using the original power adapter with the Dell Inspiron 6400 laptop and now when it boots up I get the following error message. The AC power adapter type cannot be determined. You system will ...
0
votes
3answers
416 views

Combine Laptop Chargers From More Watts

I am on vacation and my G73JH's laptop charger smoked and failed. So I went to OfficeMax and grabbed a travel charger but it only puts out 90 watts which is no where near the 140 watts my laptop needs ...
1
vote
1answer
115 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 ...
2
votes
1answer
4k views

Stop my computer from charging when the battery is full? [duplicate]

I've read online before that if you charge your laptop when it is full, it will eventually "wear out" the battery. Is there a way to stop my laptop from accepting any charge when its battery is over ...
0
votes
1answer
85 views

Are any of these laptop bricks compatible/interchangeable?

Over the years I've acquired several laptop charger bricks. I haven't disposed of any of them because I've always felt that they're probably interchangeable, but I never really knew what would make ...
0
votes
1answer
136 views

Computer Crash when Charging Cable Unplugged

On my laptop I get crashes every time I unplug my charging cable. It wasn't always like this, but has become like this over some time. Basically, I unplug the cord and it turns off instantly. It ...
1
vote
1answer
436 views

Asus Eee-PC 1015PEM

My Asus worked perfectly until yesterday. I assume that the battery drained and AC was not plugged. I turned it on and doesn't chargeat all. It seems that something wrong with my battery. It works ...
0
votes
2answers
145 views

What happens if I use a generic wall socket to USB instead of the (much bigger) samsung provided one on my Samsung tablet? [closed]

I have a samsung tablet. It came with a wall socket to USB transformer for charging it, as the port on the tablet isn't a generic port. If I were to use another wall-to-USB charger (which is much ...
0
votes
1answer
89 views

Thinkpad T60 Bad Battery or Bad Charger?

I have a Thinkpad T60 and this morning it started acting up. When I plug it into the AC adapter, the AC power light comes on for about four seconds, then goes off, then comes back on and simply ...
1
vote
2answers
1k views

Fundamental Difference Between Charging A Smartphone At The Mains & Via USB Cable Linked To A Desktop PC or iMac?

As a smartphone maybe considered to be a "mini computer in your pocket", I thought this maybe appropriate to ask here. If you are working at a desktop PC or iMac and there is also a mains socket ...
1
vote
4answers
3k views

Battery never charges upto 80% instead of 100%

My vaio battery charges only upto 80%. Why is that so? It also tends to discharge too fast providing less working time. How to proceed to obtain 100% charge?
0
votes
1answer
64 views

Acer Aspire Notebook dropped and landed on charger adapter [closed]

my Acer notebook was accidentally knocked off a small table onto the carpet floor and it was plugged in, charging at the time. Everything is still working fine and the notebook does still charge, but ...
3
votes
2answers
2k views

Battery plugged in, not charging

This is a new battery and this gives the problem of Plugged In, Not Charging for the past two days. I have no clue as to why this is happening. Sometimes it does, sometimes it does not. Battery Wear ...
3
votes
2answers
13k views

My netbook battery won't charge (0%) how can I detect what's faulty?

I have read here and there on superuser and it looks like I could have: Faulty recharge circuitry Faulty battery Faulty power adapter How can I be sure to change the right part? The netbook is an ...
1
vote
0answers
284 views

Laptop freezes in High Performance mode and plugged in to charger

I own an ASUS N46V and it keeps freezing when plugged in and set to Power4Gear Entertainment mode. Power4Gear mode causes no problems if the laptop is running on battery power. And I see that it also ...
2
votes
1answer
512 views

Why won't my battery stop charging?

I don't know why this is happening but this is a new battery. Details of which are visible in the photo. The problem is that even after the battery meter shows 100%, the power light on the laptop ...
0
votes
1answer
757 views

Toshiba Satellite L755 not functioning properly while charging

While charging my laptop, the touchpad becomes very jumpy and sometimes does not even go in the direction moved. The computer itself also runs very erratically. While it does this, my computer ...
3
votes
1answer
2k views

Why doesn't my laptop battery charge while the laptop is in use?

Up until a week ago, my laptop has always been able to charge the battery while I'm using it. Now, it will not charge unless the computer is sleeping, hibernating, or turned off. The icon in the ...
1
vote
1answer
253 views

Short USB cables not charging?

I find this a strange problem but I can't find anything online about it. Recently I purchased a few short USB cables (20-30cm), to use in my car's USB connector to charge my phone. Strangely an ...
0
votes
2answers
2k views

How to turn off USB charge?

Is there a way to turn off USB charge completely? There is manager that allows me to set power-off charging only when the notebook is plugged in or even when it's on battery, but with a certain ...
13
votes
8answers
6k views

Do newer laptop batteries still need to be drained before recharging?

10 years ago when I was doing hardware support it was best practice to fully drain a laptop battery prior to recharging in order to maximize its life. Is this still the case or can a battery now be ...
2
votes
0answers
267 views

Acer Aspire Laptop won't charge in Windows 7 Home Premium x64

I have an Acer Aspire 7750-6801 laptop running Windows 7 Home Premium 64 bit OS. The issue is that it will only charge sometimes when plugged in. I thought it might be a hardware issue, so I tried ...