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Questions tagged [battery]

Batteries are the embedded power-source of a component such as a notebook. It is composed of cells of chemical elements that store energy.

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Mid 2013 MacBook Pro won't turn on and charger blinks green/orange light

My mid 2013 MacBook Pro (with removable battery) has stopped turning on and when I plug the charger in the green light is very dim/flickering. When I attempt to power on the laptop the charge ...
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How long does a 56WHr, 4-Cell Battery last? [on hold]

I think i'm going to buy a Dell Inspiron 7000 and it has a 56WHr, 4-Cell Battery integrated and I want to know how long is it going to last. Thank you very much!
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The description for Event ID 256 from source DPTF cannot be found. ERROR FUNC: EsifEventProcess FILE: esif_uf_event.c Invalid event source received

I have Alienware 17 R2 laptop, OS is Windows 10. I started getting a lot of these errors in Event Viewer. The description for Event ID 256 from source DPTF cannot be found. Either the component ...
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1answer
22 views

Dell Latitude E6410 battery issue

I just bought a 'Like New' Dell Latitude E6410 laptop. I ran an initial diagnostics when I bought it, and everything seemed good. Especially the battery. I ran the powercfg report on windows and found ...
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1answer
47 views

Can phones/tablets avoid charging from USB power?

I know that some laptops (e.g. Lenovo ThinkPad) have user-controllable software to disable battery charging even when AC power is plugged in. This feature takes precedence. When a typical mobile ...
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1answer
41 views

Laptop not booting after reset and battery not charging

I have an ASUS i7 series laptop. After the factory reset, my PC is not booting normally. I have to use the power button a few times to start the laptop. I have noticed that the battery is not getting ...
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39 views

Laptop is charging to design capacity, not full charge capacity

I have a laptop (Dell Inspiron 3541) with Windows 10. After running powercfg /batteryreport in PowerShell, I got a battery report (at %userprofile%\battery-report.html). However, the results didn't ...
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How is the operating system able to know the battery level?

Even if we remove the default OS and install a new one it can interact with the battery. Are there some drivers for it? How does it work?
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1answer
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New battery installation in the Macbook Pro

I get a new battery from a repair shop yesterday for the MacBook Pro and the configuration is provided below, I read that the battery life for the new installation should be about 7+ hours while I ...
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Dell latitude E3730 is ther a fcn key sequence that toggles the battery charging function on/off?

I saw a reference to such a toggle switch on a dell site but there was no picture of the exact key sequence. We are trying to fix a “plugged in not charging” condition and have already tried other ...
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Laptop battery detected intermittently but power is supplied

Situation: Laptop battery detected sometimes, gives power always, when detected can be charged. I wanted to ask what the problem could be and how to go about it. Battery is ThinkPad Battery 57++ (9 ...
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Ubuntu not detecting battery on HP x2 210 G2

I've installed Ubuntu on this laptop (three flavours) after wiping the system of the original copy of Windows that it came with, and while it was mostly functional, one major aspect that concerned me ...
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1answer
37 views

Do HP printers have batteries?

I have an HP p1606dn printer which keeps forgetting his LAN configuration and going back to factory settings. So, I wonder if HP printers, (or maybe printers in general), have a battery, which could ...
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3answers
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Fully discharging your laptop battery on Linux

I'd like to fully discharge my laptop battery (to comply with a vendor instruction to fully discharge after first full charge). What's a simple way to do this on Linux (that is, prevent the laptop ...
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1answer
39 views

Laptop battery replacement (MSI) [closed]

So I bought a used (almost new) MSI laptop two weeks ago. It is a GP62MVR-7RF Leopard Pro. Everything is looking great on the outside & doing great on the inside. 1 problem, obviously : the ...

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