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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
4answers
769 views

Apple Magic Mouse quickly loses its charge

three days ago I bought an iMac 21.5 The keyboard has 100% charge, but the mouse has already 87% This is not good. I feel it... What to do in this situation. Anyone has the same problems ?
1
vote
1answer
86 views

How to assign a shape to each series of values in iWork '09 Numbers?

How can I assign a shape to each series of values in iWork '09 Numbers? Currently all series are forced to have the same shape, which makes them hard to distinguish on black and white prints.
0
votes
1answer
360 views

Diagnosing laptop charging issues

My HP dv6000 laptop will not run on battery power. It will only run while plugged into the wall. I have already replaced the battery, but it still will not operate on battery power. The problem began ...
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?
2
votes
5answers
9k views

Why won't my Nokia E52 charge on some USB ports

I have two computers. If I connect my Nokia to one of them using the usb cable the charge process will start. If I connect the phone to the other computer (using the same cable!) it won't start ...
3
votes
4answers
8k 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 ...
1
vote
3answers
3k views

Notebook computer battery says: plugged in but not charging with no further information. Is the battery bad already?

My 1.5 year old Dell Studio 15 notebook computer has a battery and I keep it attached to the notebook but 98% of the time I just plug in the power adapter. Lately when I unplugged the power adapter, ...
10
votes
7answers
19k 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 ...
10
votes
3answers
2k views

Make computer go to sleep after USB phone charging is complete

I used to have my desktop Windows XP pc go to standby (S3 suspend, I think?) when it idled for over an hour or so. Now I charge my iPhone 3GS from a USB port, often right when I go to bed. Ideally I'd ...
8
votes
6answers
95k views

Can I charge a computer through its USB port?

Can I charge computers 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 power coming out of the USB port. Can ...
1
vote
2answers
785 views

Macbook Pro 15-inch replacement battery

So I've finally got to the 300+ cycles with my MBP 2008's original battery. Apple is pretty much "on the money" too! I am at 79% Health and getting the Condition: Replace Soon warning. So I went out ...
10
votes
4answers
33k views

Why does the USB hub need to be connected with my PC to charge my Droid phone?

I notice that my new Motorola Droid phone charges perfectly fine when I connect it to my computer via the USB cable, or if I connect it to a car cigarette Lighter -> USB adapter, or a wall Power -> ...
2
votes
6answers
7k 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 ...
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 ...
3
votes
3answers
1k views

Macbook battery no longer charges

My Macbook has recently entered a state where the battery no longer charges. Currently the battery is reporting 25% charge when not plugged in. When plugged in, the bar at the top reports (Not ...
9
votes
5answers
4k 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 ...
179
votes
6answers
79k views

Should laptops remain plugged in when their battery is 100% charged?

When your laptop's battery is 100% charged, should you leave it plugged in so any battery power doesn't get used, or will that cause overcharging, overheating, etc.? Should the laptop be unplugged ...