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4answers
2k 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 ...
1
vote
0answers
124 views

Is there any way to use devices like mp3 players when they are charging? [closed]

The question is simple I think. All we have encounter gagets that they don't fuction while they are in charge, like cameras or mp3 players. But, we know that cell phones or laptops can have full ...
9
votes
4answers
6k 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
2answers
11k views

Charging Mobile through Laptop? Any Ill effects?

Is it safe to charge a mobile through a laptop? Are there any ill effects? Can it cause any kind of harm to the laptop and/or mobile? On what factors does it depends?
4
votes
1answer
6k views

Can a USB 2.0 cable support USB 3.0 charging?

I have some USB 3.0 ports on my motherboard which can deliver up to 900 mA of current I believe. If I plug in a USB 2.0 cable, I can still get up to 900 mA right? I have some devices that uses USB ...
1
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1answer
549 views

How risky is it to use an underspecified charger?

I forgot my 5V/2.1A charger at work and I only have a 5V/1A charger at home. I tried plugging in the device and it seems to work (battery is loading). Theoretically speaking, what bad things could ...
4
votes
2answers
15k 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 ...
3
votes
2answers
14k 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 ...
0
votes
2answers
3k 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 ...
4
votes
4answers
12k 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
1k views

Laptop battery charge rate is very slow

My laptop battery charge rate is very slow. It charges between 50% - 100% in almost 4, 5 hours. Is it battery or charger problem? I have changed my laptop battery 4 months ago but the charger is 4 ...
4
votes
3answers
15k 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
vote
1answer
520 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 ...
2
votes
5answers
3k views

Half charged battery improves life time when adapter is used

On my Lenovo laptop, running windows 7, I got a prompt saying that, the system has noticed I am mainly using adapter, therefore I should keep the battery half charged. It justifies by saying, trying ...
1
vote
3answers
2k views

How to know the percentage of battery charged?

My battery is troubling me. Whenever it goes over 97% charged level ,the charging mechanism stops and my win7 shows "plugged in,not charging" message at the power indicator. At this point the battery ...
3
votes
3answers
3k 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 ...
22
votes
3answers
40k 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
2answers
2k views

Is it safe to use wall-socket -> USB chargers to charge any USB device?

Specifically, the charging unit that came with my HP Touchpad is a wall-plug unit with a female USB adapter on the other side (e.g. this pic on pcmag.com). Will this work for anything that charges ...
0
votes
1answer
159 views

Is my notebook battery charging even when the indicator has stopped flashing?

I just bought a new battery for my Fujitsu-Siemens PA-1510. The battery label claimed that, in order to have a long living battery it is important to charge it at least 10 hours before the first use. ...
0
votes
1answer
2k views

Asus 1018p battery light blinking and not charging

I recently got myself a netbook (Asus 1018pb) and its really good . I have been stuck up with a lot of work and hence not got around to using it in about a week now . It runs Ubuntu 11.04 and today ...
1
vote
1answer
114 views

Linux: Prevent iPod Touch from charging while computer is running off battery

Is there a way to prevent an iPod Touch/iPhone from charging while my computer is running off battery power? OS: Crunchbang Linux (Based on Debian 6)
0
votes
4answers
14k 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 ...
1
vote
1answer
2k views

Significance of “First time charge” for laptop battery

When buying a new laptop (and most other mobile devices with lithium-ion batteries), the manual often says to do a 'first charge' of a few hours with the device closed (and it is a common instruction ...
2
votes
3answers
5k views

Should I use laptop while charging? [duplicate]

Possible Duplicate: Is it better to use a laptop on battery or on AC power? Is it Okay to use laptop while charging? Does it have any bad effect on battery or laptop?
0
votes
2answers
2k views

Macbook Pro 15.4" Aluminum body alternative to Magsafe Charger [closed]

Is there any other method of charging this Macbook Pro late 2009 other than the Magsafe. Mine broke, I have a magsafe coming and need to use my system but is low on battery now. Can you charge through ...
1
vote
1answer
984 views

What determines the speed at which a laptop battery charges?

What factors affect the charge time of laptop batteries? Is it the laptop's use while charging? The age of the battery? The charger's wattage?
5
votes
2answers
7k 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
271 views

Gateway M275 won't charge. Replace DC input jack or power cable connector?

When I plug in my Gateway M275 convertible tablet, it has trouble charging. I hear odd squeal-y noises coming from the back of the unit if it's plugged in, and the charging indicator turns on and off ...
3
votes
2answers
2k views

HP laptop doesn't charge when it is turned on

I have an HP Pavillion laptop since 2009 February and it recently started to not get batteries charged when it is turned on. What could be the problem? Is it a battery problem or another? Has anyone ...
8
votes
1answer
5k views

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 ...
0
votes
7answers
36k views

Dell Inspiron 1545 - “plugged in, not charging”

A family member brought me their Dell Inspiron 1545 a few hours ago (I'm a software engineer so I know how to fix any and all computer issues, right??). They just bought a new battery for it that ...
0
votes
1answer
596 views

Charging my Droid with USB using Mac

I only have the USB connect for my phone, so I've been plugging it into my macbook to charge it. But when the phone is completely dead it won't charge whatsoever and the bootloader screen comes up. Is ...
2
votes
5answers
7k views

Can i use one laptop to charge another laptop by connecting the two together with a usb cable?

My Toshiba laptop has a problem with the ac charging adapter. The problem is with the computer and not the charging cord. The geek squad told me that Toshiba laptops have had the same problem in the ...
3
votes
4answers
971 views

Why Apple iPad is not charging from Windows machine using USB?

I am not able to charge an Apple iPad over USB with a Windows machine. But both an iPhone and an iPod charge properly over USB on this machine.
3
votes
2answers
15k 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
1answer
195 views

Laptop battery problem

I left my HP 625 laptop yesterday on standby at 7% battery - I opened it today and the battery is full. I waited until it got to around 90% then it died. I left it plugged in until the light showed ...
3
votes
1answer
5k views

How can I charge my laptop wirelessly? [duplicate]

Possible Duplicate: Can I wirelessly charge my laptop? Currently I'm using a wired charger for my laptop and it's boring me to carry that around with me everywhere. I know of the wireless ...
2
votes
2answers
3k views

Acer Aspire 5532 - Charger problems?

My Acer Aspire 5532 laptop does not charge. I think it is a connectivity issue. It started when the laptop refused to charge unless the power cord/charger was jiggled into a set of random ...
2
votes
1answer
361 views

How to determine whether a USB socket is qualified for charging?

More and more devices begin to take advantage of USB sockets as a charger, but sometimes a USB charger does not work because the socket does not have high enough power (output). This usually happens ...
1
vote
3answers
11k views

Is it possible to charge your cell-phone using a computer? [closed]

My cell phone remains plugged (almost all day). Is it possible to charge my cell phone by plugging it into my USB port via a data cable ? My Model: Nokia 2690
14
votes
5answers
12k views

How can I guess if a USB cable will power my devices?

I've had problems with one long (4 meter) USB Mini-B to USB Type-A cable not being able to boot a 2.5'' external hard disc due to not supplying enough current. On top of that, the cable used a Type-A ...
3
votes
5answers
273 views

Portable charging device

I have several devices that charge by USB, that I'd like to keep charged at all times. I've used my laptop in the past, put it in the lowest possible power setting, but it still gets hot, and is ...
2
votes
1answer
3k views

Possible dangers of using a power inverter to charge a laptop

I'm going on a road trip soon and want to be able to use an HP Pavilion dm3 1030us in the car (no, not while driving). I could get an HP Smart AC/Auto/Air adapter but it's coming up on the last ...
0
votes
1answer
269 views

Brand New MacBook Won't Charge

It's just not charging anymore. I cant reset the pram because it's dead and I don't want to remove the bottom in case it voids he warranty but I need it asap. Do you know if removing the bottom voids ...
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 ...
5
votes
5answers
2k views

Why do you need a valid driver to charge a device via USB?

Disclaimer: While this question is about my smartphone and hence may be considered off-topic, I'm hoping the more general issue (which could apply to other USB devices) can be answered in this forum. ...
5
votes
5answers
45k views

Charge a laptop via USB power (500mA)?

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 ...
2
votes
1answer
421 views

IBook G4 Charging Problems?

I am having some trouble with my iBook G4. It seems that whenever I plug it into the wall charger that it doesn't charge. It's not the charger's fault. There's a button on the back of it right next ...
1
vote
1answer
151 views

MacBook Pro battery question

I just got a new battery for my MacBook Pro...charged it for 2 days, but the battery icon has an x in the middle. Also the charge LED never goes green, stays on orange.
0
votes
1answer
7k views

Is it ok to remove a laptop battery while the laptop is running on AC power? [duplicate]

Possible Duplicate: Are notebook batteries generally hot-swappable? I have a charged laptop battery in a laptop that is running on AC power and charging the battery. Would it damage the ...