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1
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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
17k 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
82k 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
778 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
6k 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
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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 ...
170
votes
7answers
72k 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 ...