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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60 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 ...
0
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1answer
25 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 ...
0
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2answers
46 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
36 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
36 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 ...
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0answers
8 views

OS X (host) on battery power with fullscreen VMware Fusion

I am running a Linux guest in VMware Fusion (6.0.6) on an OS X host (Macbook Pro). With AC power everything runs smoothly. When on battery and in windowed mode there are no problems either. However, ...
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0answers
42 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
41 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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votes
1answer
42 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 ...
0
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1answer
36 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
35 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 ...
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0answers
18 views

How to properly calibrate new laptop battery which shows full capacity as ~20% of designed capacity?

I have a very unique problem as I can see. I have bought a new battery (not original brand) for my 3 years old Toshiba Satellite L750 (running Win 8.1 Pro) notebook. My old battery was about ...
2
votes
1answer
46 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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votes
3answers
42 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 ...
0
votes
1answer
23 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
21 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 ...
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0answers
27 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
26 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
56 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
19 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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0answers
36 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
2answers
44 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
49 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 ...
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0answers
34 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 ...
1
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1answer
104 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 ...
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votes
1answer
52 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
38 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 ...
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2answers
534 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
86 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 ...
0
votes
1answer
59 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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votes
2answers
55 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 ...
0
votes
2answers
71 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 ...
1
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1answer
83 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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3answers
94 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
vote
0answers
22 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. ...
1
vote
0answers
21 views

OSX - Stop Bluetooth Low Battery Message

I've seen this asked before but never any solution. When using the Apple wireless keyboard and trackpad a message pops up when the battery level gets down to 15%. When you click the message away it ...
2
votes
1answer
74 views

Can low voltage damage laptop or it's battery?

Sometimes I get very low voltage in my house. I am worried if I connect my laptop charger to the socket, will it damage the charger, battery or the laptop itself?
24
votes
3answers
9k views

Why do PCs still require a CMOS battery?

Why do PCs still require a CMOS battery, given that they're already plugged in? We are providing lots of power to the PC by plugging it into AC mains electricity, so why does it still require a CMOS ...
1
vote
1answer
69 views

DELL XPS Bios update to resolve battery issues

The battery on my DELL XPS (edit: @ author insert model) does not charge. A BIOS update should resolve the battery issues, but when I try to run the bios update file downloaded from dell support, it ...
0
votes
2answers
31 views

Random shutdown on aspire 4935G

(on AC(with battery plugged) or AC only) the laptop just random shutdown without any notice when.. -left idle for some time -but this problem don't happen when the cpu busy like playing games,or ...
16
votes
4answers
2k views

Do recommended battery charging practices for a laptop apply to an ultrabook (with non-removable battery)?

For normal laptops, everyone said that if you want to use your laptop for a long period of time at home, its better if you detach the battery and just connect it directly to power. I followed this ...
0
votes
3answers
643 views

Why is my Acer Aspire E15 running slower when plugged in than on battery?

I am working on an Acer Aspire E15 (ES1-511-C590) running Windows 8.1 X64 with all the latest patches. It is running significantly slower while plugged in than when running off battery. Yes, this is ...
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1answer
33 views

Task Scheduler differentiate between AC and battery power in Win 7?

Is there a way to differentiate between AC and battery power on a laptop to be used in Win 7 Task Scheduler?
1
vote
1answer
191 views

Alternative to Lenovo “Conservation Mode”

I have a Lenovo Y50-70, which I am doing a clean install of Win8.1 on (A new SSD) The Battery software that comes with it out of the box contains a very useful battery conservation mode. This stops ...
0
votes
0answers
39 views

Laptop not charging when running OS/BIOS, charges when off

I am facing this problem in my laptop since last 3 days or so. Make : HP Envy Touchsmart 15 (Core i7, 4700MQ), approx 1.5 years old. The problem is that whenever I am running any OS (Win/Ubuntu), ...
0
votes
1answer
54 views

PC restarts on power outtage despite having a UPS

Unfortunately where I live I do not have 24/7 electricity. My new PC rig which is considered to be a high-end(gaming) system is connected to a brand new APS/UPS that have these specs: DC-AC ...
2
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0answers
58 views

How to keep Windows 7 CSC Service from running down my laptop battery?

I've a new laptop that lasts less than an hour on battery. I've bottomed out the culprit: cscservice. I've been manually turning the service off then on when I'm on battery power. Cycling the trick ...
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0answers
53 views

Logitech Anywhere Mouse - even new batteries show 'need to replace' red blinking light

I have a Logitech Anywhere mouse that I've had for a while now. It's been doing great but since it last gave the orange/red blinking light showing that the battery needs to be replaced, no battery is ...
0
votes
1answer
115 views

Run time difference between a 4-cell (43 Wh) battery and an 8-cell (58 Wh) battery?

Is there a significant improvement in battery run time going from a 4-cell (43 Wh) battery to an 8-cell (58 Wh) battery? How much longer will it run (percentage-wise)?
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0answers
31 views

How to make laptop only start charging when under 20% while always plugged in?

I want my laptop only to charge when under X% of battery is left, while always plugged-in to charger. I have a laptop that has to be up in running for long periods and I want to lower the ...