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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963 views

Is it safe for keeping my laptop plugged in while updating to Windows 10 via windows update

I have Dell XPS-L502X(Early 2011) Laptop with 6-cell battery and currently I'am Downloading Windows 10 via Windows Update from windows 7 home Premium-64 bit. But my Internet Speed is just 512 kbps ...
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0answers
735 views

Windows 10, Instantly Goes to Hibernation/Sleep While on Battery, regardless settings

Event Viewer Kernel Power: The system is entering sleep. Sleep Reason: Battery I have had my own custom battery setup on Windows 7, where I could have max performance while on AC, but switch to ...
0
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2answers
109 views

Will keeping my new MacBook continously in charge damage the batteries? [duplicate]

I just bought a new MacBook, which I'm primary gonna use as a "desktop pc" (in office). Not always, but for large period of time (~ a month without moving it from my desk). I would like to ...
0
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1answer
39 views

Is it possible to make a laptop behave as if it is working on battery?

Is it possible to make a laptop behave as if it is working on battery, while in fact it would be working on AC power? I have some HW problem with my laptop. It reboots for unknown reason every time ...
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2answers
4k views

ASUS Q502L “no battery detected” - Windows 8.1

PLEASE NOTE:: There is a fair possibility that I have found a solution to this quite some time ago, I continuously attempt to post a solution, but for some reason a moderator is persistently deleting ...
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1answer
124 views

Is it okay to store a laptop for one year without taking any precautions [duplicate]

No precautions have been taken to store the computer. It is sitting upstairs on a bookshelf. It is an HP pavilion laptop. I read this Super User blog. I don't understand if this computer will ...
0
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1answer
53 views

How to lessen performance impact on Dell laptop with defective power system?

A few months ago, I replaced a broken cord for my Dell Inpsiron 15 laptop. The replacement cord (a slightly different model from the factory cord) worked perfectly until a week ago, when I started ...
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1answer
52 views

how to correct first battery discharge for smartphone

I would like to know how to take corrective action on the first charge cycle. I have just bought a new smartphone and completely discharged before full charging. However i just came across articles ...
0
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1answer
107 views

Is keeping a laptop connected to power supply harmful for its battery? [duplicate]

I heard that charging a Li-Ion battery all the time is practically harmful for the battery and significantly reduces its useful capacity over time. Is this true? Should I disconnect the power cord ...
0
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1answer
66 views

Low CMOS battery but it's brand new [closed]

When booting my old PC it says low CMOS battery so I replaced it with a spare battery which I bought a few years back. Upon booting from power-off state, it still says low CMOS battery. Is it ...
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0answers
129 views

How do i get 100% battery charge back with Samsung battery life extender?

I use a samsung netbook which i have been using for almost four months now. I have been using the samsung battery life extender since the first time i used the laptop. I decided to turn it off due ...
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votes
3answers
66 views

How to make laptop's battery last long? [duplicate]

My uncle warns me to use laptop after charge.But sometimes I use it during charging,like...when I am watching videos or working my homework.I want to know that is that good to use laptop during charge ...
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0answers
220 views

Battery #2 is not present in HP Compaqn 6910p

It showing Battery #2 is not present in My Hp Compaq 6910p laptop, can some help me that what is this Battery #2, i have inserted new battery pls help me
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1answer
30 views

Does a cron daemon drain a laptop battery significantly faster?

I would like to run a small script every hour to change my wallpaper. Does running a standard cron daemon (like fcron, cronie) cost a disproportional amount of battery lifetime? I would not expect ...
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votes
1answer
101 views

Battery drains during hibernation (to disk) and even when completely shut down

I have a Thinkpad x220 (Debian Stretch) with a 6 cell battery which seems to be ok, according the the xfce4-power-manager. . The odd thing is that the battery drains during hibernation (to disk) at a ...
2
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0answers
4k views

APC Smart-UPS X 1500VA Warning State: Connect Battery

I have an APC Smart-UPS X 1500V which I just connected to a power source. When I turned the device on it was beeping and giving a flashy red light at the most right icon of the control panel. The ...
2
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0answers
188 views

How to fix the screen blackout in an HP Pavilion dv7-1240us

Many users of the HP Pavilion dv71240-us have had this screen blackout problem. After having the laptop on for a few minutes the screen goes black and there is no way to get it back to normal. Many ...
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1answer
136 views

Replacing laptop battery affects OS loading

I have a one and a half year old laptop with a win8.1 OS. On it first year, it prompt me that the battery is damaged and should be replaced. So I brought my laptop, along with its battery, to a ...
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1answer
1k views

ASUS laptop battery dead after a year

I have an ASUS laptop bought a year ago. Last week the battery wear level was at 20% and the very week after the warranty expired it suspiciously stopped charging fully and now, a week later it's at "...
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2answers
151 views

Does bad electrical grounding mess up a laptop?

I recently purchased a Macbook Pro retina display. When I use the 2 pin charger, and I touch the surface of the laptop I can feel electricity passing - basically laptop is vibrating softly. When I ...
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2answers
632 views

Motherboard keeps giving checksum error after installing new battery

I am repairing a computer with an ASUS M2NBP-VM CSM ACPI motherboard (I am not sure this is the correct description of the motherboard but, at least, this is what gets printed to the screen during ...
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0answers
304 views

Battery does not resume charging after power interruption, if brand new HP Envy notebook is powered off

I got this laptop just yesterday, and I have a weird problem. Configuration of laptop: CPU: Intel Core i7 5500U @ 2.4GHz (Turbo 3.0 GHz). CPU: Nvidia GeForce GTX 850M (4GB dedicated). RAM: 8GB DDR3L....
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0answers
178 views

How to update bios with windows exe file

I try to update my bios with a file which I downloaded from official Lenovo website.Finding update file is super easy but because of my battery doesn't charge anymore I could not update bios on ...
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1answer
420 views

External Battery Pack not Working with Laptop

I have an HP ProBook 4540s that has a very weak battery from years of use and abuse. I bought an external battery pack, a Poweradd 32000mAh with the intention of using it with my laptop. The battery ...
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1answer
102 views

should I remove an old laptop battery to save energy?

Does the old battery of an old laptop use a lot of energy when the laptop is connected to AC? Does the power supply waste electricity trying to continually charge an old battery? If I remove the ...
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1answer
140 views

High CPU/MOBO temperature even after cleaning and reinstalling

Even after dissembling my laptop and cleaning it, the temp of my CPU and Motherboard hangs around 41+ degrees Celsius while idle and no apps running. It used to be much lower and my laptop gets really ...
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0answers
131 views

I cannot update bios because my battery doesn't work

I know there are similar questions asked before but none of them is helpful. First I tried bios.exe /forceit on DOs prompt on Windows it says it cannot complete the update because I don't have a ...
2
votes
1answer
383 views

Plugged in not charging [duplicate]

I am using Lenovo Thinkpad E430. I have installed Windows 8.1 Pro 64 bit My battery charges up to 46%, and then it is showing "plugged in, but not charging". I tried many possibilities. 1. ...
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3answers
229 views

Is it ok if I charge my IPad with the power adapter that I use for my Samsung Tablet?

My iPad version details are as follows: Model A1460 Complies with the Canadian ICES-003 Class B specifications FCC ID: BCGA1460 and IC: 579C-A1460 Serial: DMPKF3F4F18Y There is something wrong ...
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1answer
35 views

Is a battery with broken ACPI protected from overcharging?

I have accidently completely discharged an old laptop's battery and its ACPI is not working now. (Reporting 0% or no battery etc.) I think the mechanism of detecting voltage (or battery remaining) is ...
0
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1answer
287 views

Laptop charges the battery only when power-off

I have Lenovo Ideapad Z710. It is 5 months old. This started to happen yesterday. While I'm on Windows 8.1 it says that the battery is charging but in reality it is discharging. However, when I shut-...
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0answers
356 views

Battery stops charging at 60% after installing Ubuntu

I had Windows 7 installed on my Dell laptop. The battery was working correctly and charging to 100%. When I installed Ubuntu I noticed that battery is charging to 60% only. I thought it was just a ...
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0answers
962 views

How can I clean a wireless mouse in which the batteries leaked?

I have a wireless mouse and I noticed that I had stored it with batteries inside. I know that's wrong because this is what happens: The mouse was sitting on the keyboard so the acid leaked on that ...
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votes
2answers
222 views

How to get to hibernate on Windows 8.1?

At the moment I've got two options. Sleep Shut down The first is associated with the closing of the lid. I'm unsatisfied with this option because the computer is still eating the power, hence ...
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0answers
220 views

Asus zenbook UX301L not warning about battery running out

For some reason, I no longer get the blue win8 warning message that used to say that my battery was running out. Instead of warning now my computer just suddenly turns off itself and if you didn't ...
0
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1answer
61 views

Took laptop apart, no longer will stay on while using battery

I took my laptop apart (Acer S7 392), very carefully noting each step of disassembly, in order to replace the keyboard. Now the laptop will not sustain power unless the charger is plugged in. I ...
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votes
3answers
2k views

My laptop is plugged in, charging but power is not increasing

I'm using a Dell Inspiron 14 R. Yesterday I got the notification to plug the laptop into power source when the charge became low at 13%, so I plugged it to the power source and it showed charging. ...
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1answer
994 views

Laptop battery - 100% available plugged in charging

I have a Dell Inspiron 5521 running Windows 8.1.Recently, I had replaced my battery.But my battery indicator shows 100% available ( plugged in,charging) status. I calibrated the battery but no ...
1
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0answers
330 views

laptop not charging with battery and not starting without battery

Me and my sister have identical laptops. Whilst i was using my laptop i noticed that the laptop was indicating it was charging however the battery power level was decreasing. So it knew the adapter ...
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1answer
2k views

Is Intel Core-M virtualization usable? [closed]

I'm asking this question here because noone will let me try installing Virtualbox on an Intel Core-M "uncooled" machine without purchasing it. I previously purchased an Intel i3 with 4GB RAM a ...
-1
votes
1answer
1k views

What extras do I need to maximise battery life on a Linux laptop? (And how to stay current) [closed]

Now, I know that this question has probably been asked 1000 times - but as far as I can tell, the answer seems to change a lot over time. While researching, I came across powertop, pm-utils, tlp, ...
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0answers
272 views

Battery state still discharging when AC plugged in. Bad?

Running Ubuntu 15.04 on an ASUS UX305. Runs very well only a minor Fn Key issue to speak of. Though I have noticed that the battery state is always discharging when plugged into AC. I find this ...
10
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2answers
2k views

What happens when laptops reach 100% charge?

I have been reading alot of mixed views on how Lithium Ion batteries work when it comes to laptops. I have the new dell xps 15, with an intel i7 cpu, 16gb ram, and a 512gb ssd. Is it bad for the ...
0
votes
1answer
1k views

Do power fluctuations affect laptops while charging? [duplicate]

I use my laptop for overnight downloads and there has just been a problem with our society/apartment generator due to which a new generator is being used which I think causes fluctuations. Does a ...
1
vote
1answer
808 views

Dell XPS 17 laptop shuts down unexpectedly when running on battery power

I have a Dell XPS 17 (L702X) and the problem is that whenever I use the laptop on battery without it connected to AC it will only work for a random amount of time before it will suddenly shut down. ...
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2answers
137 views

Why laptop battery so small and UPS bigger and heavier but can only hold lesser powering duration?

My friend asked this earlier today, facts that most: laptop battery are smaller laptop battery are lighter in weight laptop battery can give more time without plugging to power outlet laptop power ...
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2answers
800 views

Is it fine to run a dc motor through USB cable connected to my laptop?

I have a dc motor which needs more than 10V to run efficiently, so instead of running it on electric cells, I usually run it using my laptop's power. I connect a USB cable to my laptop and the other ...
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1answer
216 views

Script - Lenovo Battery Recall

Problem: LenovoBattery.exe fails when called via batch file. Is there a way to make it work? Details: Lenovo has expanded its voluntary recall of notebook batteries. They request the industry to run ...
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4answers
2k views

Is it normal that a laptop battery drains when the laptop is off?

I have an HP ProBook 450 G2. Every time I shut down the computer and turn it back on after a day, the battery level decreases by about 5%. I'm sure that the computer is shut down, not in sleep or ...
1
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0answers
25 views

How can I set a 80% battery charge limit for a HP Ultrabook? [duplicate]

I really hope you can answer this simply request. Nowadays is pretty common to have a new Ultrabook, laptop or notebook for general purposes. A very important feature is to have a healthy battery. ...