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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10 views

Novatech nSpire laptop randomly shuts down

I was browsing the internet and my Novatech nSpire (not sure the exact model since I am unable to get into it but I think it's N1593) and it shut down, with no warning (didn't cut out, it was a soft ...
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0answers
7 views

Incoming call is not registered on iPhone if iPhone turns of before I pick up

The situation: iPhone is low on battery I receive incoming call I try to pick up and phone turns of during that moment In this situation incoming phone number is not registered on the recent call ...
0
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1answer
19 views

Jumpy and erratic touchpad

A couple of weeks ago my laptop's (HP Envy TouchSmart 14-k110nr) touch pad started being a little jumpy. I thought it was probably because of dirt and wiped it with an alcohol-free cleaner, but it ...
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0answers
21 views

Access HDD just on demand

Id like to know if there is some option to access hdd just on demand. I have SSD + HDD combo in my laptop and im mainly using just the ssd drive. When im plugged in electricity I dont really care as ...
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0answers
16 views

How to show battery life of wireless wireless keyboard as well as caps lock, num lock, scroll lock, status on screen? [closed]

I am using wireless mouse and keyboard. There is no numlock light. Usually if I press caps lock, something flash on screen saying that caps lock on. Also sometimes I see warning that battery is about ...
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0answers
43 views

Why some cables charge my phone while the others do not? [closed]

This is the question—with an answer—that has been bugging so many of us now that we have phones that require more juice than previous generation of phones. My core question: My wife has iPhone 5S ...
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votes
2answers
58 views

How can I maximize laptop battery service life [duplicate]

My laptop is ASUS K 551 LB, which has an internal battery. Would the battery's service life be longer leaving the laptop plugged in whenever possible, or running off the battery to regularly run down ...
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1answer
44 views

Non physical hardware switch

My laptop comes equipped with a hardware switch on its backside that connects/disconnects the battery. When I am connected to AC for example, I can thus avoid overcharging the battery. Yesterday ...
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2answers
61 views

What will happen powerwise if you plug a USB-C device to another USB-C device?

If you have a USB-C phone or tablet and you plug it into a laptop with USB-C, which device gets charged? Or no charging will occur? People charge their phones through their laptops all the time, how ...
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0answers
18 views

Surface Pro 3 Dock - Blinking light, no charge

I have a Surface Pro 3 and a dock. When I attach the Surface to the dock, the indicator light blinks and will not charge the device: Steps I have taken: Ran and installed all Windows updates with ...
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votes
0answers
29 views

Update BIOS using Hirens Boot cd

My Dell inspiron n5010 seems dead, and I've tried everything (checking the RAM is in place, make sure all connections are secured, try another charger - also dell), and battery is still not charging ...
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0answers
30 views

Fresh SSD - High Power On Count when putting hibernate mode (Win8.1)

I've just bought a brand new Samsung SSD Evo 840 and I found that when hibernating, it increases Power On Count too much (in 1.5 months) as: As you can see Power On Count increases as crazy when ...
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0answers
34 views

When laptop battery on “High Performance” it stops charging the battery

I'm using an ACER Aspire 5750G and my laptop specs are: Proccessor: Intel Core i7-2630QM Display: 15,6 LED LCD Nvidia GeForce GT 540M - 1GB - CUDA Memory: 8GB HDD: 750GB DVD Super Multi DL drive ...
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2answers
54 views

Lenovo Y50 Laptop drains battery in hibernating to 20% just 24hrs

I have a 6 months Lenovo Y Laptop and this is battery information is captured by BatteryCare The problem is after I installed a fresh Win8.1 (yeah Superfish issue), Hibernating drains battery so bad ...
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1answer
45 views

Is there a way to automatically quit two programs when battery is below certain level?

I'm setting up a new laptop with Windows 7 and I'm using Rainmeter to display system info in a sidebar (CPU, memory, GPU info etc). This needs MSI Afterburner running in the background to access GPU ...
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0answers
21 views

Dell Vostro 3560: 3NB8W3 battery not recognized, problems with charging

I've been using standard battery for a while, but finally I bought extended battery (3NB8W3, 11.1v 8700mAh 97Wh). Sadly, my Vostro 3560 does not recognize battery properly. I always have "Plugged in ...
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0answers
30 views

Bios serial number difference with box serial number

I live in Viet Nam. I have just bought new MSI GE 2PC laptop on 03/07/2015. On 04/07/2015 I installed window and check bios serial number, I detected this number is difference with box serial number. ...
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1answer
50 views

How to judge if a laptop charger noise is a safe “hum” or a dangerous “crackle”?

I've read existing questions and answers on noises coming from laptop chargers (e.g. http://superuser.com/a/104860/112639 and http://superuser.com/a/832501/112639 and have learnt that there are two ...
1
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1answer
76 views

Computer time and bios resets everytime I unplug from wall

I am using an Asus P5GC-MX motherboard with a 700 watt power supply and I cannot figure out why this is happening. First I tried a new good brand battery with no luck. Next I flashed my BIOS and ...
1
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2answers
19 views

Using a “unapproved” charger with phone. Any actual real dangers? [closed]

I have a OnePlus One. It states that I should only used approved chargers (aka the one that came with the phone). Is there any real danger with using for example an iPhone wall to usb adapter to ...
1
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1answer
74 views

Lenovo Ideapad z510 crashes when connected to AC power but works fine with the battery

I use a Lenovo Ideapad z510 running Windows 8 x64 and earlier today, during a snowstorm, power went out. Later, power came back and I got on my computer. As I was using it, I — idiotically — lightly ...
2
votes
1answer
60 views

HP 4530s laptop works with power cord but won't charge battery

Suddenly, two days ago my HP 4530s laptop stopped to be able to charge its battery. Since I was noting that the whole battery was dying since some weeks ago, I bought a new one. Either with the old ...
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0answers
20 views

Trying to show 100 splash screens for according to battery percentage

I am trying to show an empty battery with some red color at bottom(like in moto g) when the battery is discharged. I am able to show a static image for that, but if I use many images to show the ...
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1answer
25 views

Is battery mAh measured per cell?

I have an HP 15-d053cl laptop with a 14.8V, 2620mAh, 4-cell battery (although HP's website says it's 2800mAh) and I'm looking for something to add to my battery life. I've found my same battery and an ...
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0answers
20 views

Lenovo t400 s7 cmos

Hi my battery is dying dead and now my ac power is intermittent. It will start and run on ac and battery for a few hours but dies. It will not run on ac alone, although the power light flashes. Now ...
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1answer
134 views

Can I charge my laptop using a power bank using my laptop charger?

I have a Dell XPS-1530 laptop with a 9 cell battery. It's working fine but I was just wondering whether I could use a power connector or something to plug my laptop charger's 3 pin plug into another ...
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0answers
36 views

how can I determine if non-Apple replacement battery firmware is compatible with my system?

I'm thinking of buying a non-Apple battery replacement for Macbook Pro unibody. Apple does not support this. The process looks simple, but I'm concerned that the battery firmware could be incompatible ...
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0answers
22 views

Netbook battery remains limited [closed]

I use a netbook of samsung in which the battery of the netbook is limited till 80%.After reaching 80% the charging of battery stops and shows'plugged in charging'.
2
votes
1answer
31 views

Strange Laptop battery and ac adaptor behaviour with confusing messages

I am having strange battery behaviour problems on Win 7. I don't know where to start but three scenarios happen. Scenario 1: Laptop says Battery not detected yet unplugging Ac adaptor it still ...
2
votes
1answer
27 views

Bizarre CMOS Failure?

I'm working on a PC, specifically a HP Pavilion p6-2014. Initially the PC was taken to me because it wouldn't boot. It seemed like a graphics card issue because the fans would spin up, the hard drive ...
2
votes
1answer
30 views

How does windows calculate time left for a battery?

I assume the relatively new versions of windows calculate the battery remaining the same. If not, to avoid broadness, show the calculation for windows 8/8.1.
2
votes
1answer
35 views

Supposedly “broken” laptop battery seemingly works fine with OS is restored. Is my battery bad?

I am working on a PC with Windows 7 starter edition. The PC is extremely slow. Nobody has ever formatted it since first use (in 2011). The battery was marked as broken by the OS, not possible to be ...
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votes
1answer
25 views

Attempt on charging laptop, spark sound happened

So I tried charging my laptop after an accident with some electricity, after a while there was a spark sound coming from the charging input. The laptop is running fine, is it a problem with the ...
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3answers
34 views

Computer turns off unexpectedly (new battery)

Recently I purchased a new battery online from newegg. Upon using it I noticed some strange symptoms: -Computer randomly turns off before battery is anywhere near low level -Once the computer ...
1
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1answer
47 views

Is it safe to attach battery when the laptop is plugged in and being used?

Let say initially I removed my laptop battery because it's already fully charged. Then I plug in my laptop to the wall socket, and then use my laptop. After that, I need to go somewhere, but I don't ...
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2answers
65 views

Laptop shuts down while on battery with no warning

I have a Asus x53e laptop. For two months, the power fails while running, and it shuts down without warning. I have changed windows but the problem persists. I have opened my laptop and had service ...
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0answers
39 views

Laptop won't turn on, only power button lights up

My laptop is failing to turn on fully. The only thing that happens with the laptop is the power button lights up. It stops lighting up after about 8 seconds of me pressing it and once I release it, it ...
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0answers
26 views

How to hibernate a chromebook to prevent losing battery

Is there any way to hibernate a Chromebook laptop to prevent it from leaking battery? I noticed that when I close the lid and leave it over the night, the battery is empty in the morning. The laptop ...
0
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1answer
31 views

MSI GX660 laptop power fluctuations

Okay. So my trusty laptop has come down with an issue. It won't always take my power supply, resulting in 2 cases. One is that it simply does not receive the power, the other is more peculiar. The ...
3
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0answers
97 views

Notebook's Battery is not calibrated. Operates at 0% for an hour

My problem is that even if the battery percentage is 0 the notebook can stay on around an hour. I have disabled "critical battery action" on my operating systems to use more time my notebook. The ...
1
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0answers
45 views

Some CMOS Settings Not Retained on Reboot. Battery good

Some CMOS Settings Not Retained System: Dell Inspiron 546 Motherboard: DELL F896N 0896N Experience: Advanced Issue: Some CMOS settings are not retained after saving and reboot. Some CMOS / BIOS ...
0
votes
1answer
140 views

Primary battery not charging on Thinkpad T440

I got my Lenovo Thinkpad T440 bought this year but I am having a problem wit the battery. The issue is that is the primary battery is not charging on my Ubuntu 14.04 LTS just the second (the removable ...
1
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1answer
13 views

Laptop cuts from external power when using too much energy

I have Acer Aspire 7750G and I've had this problem for some time now. I had problems with my display, it was going white for some reason. When I got it back from a repair shop, they said it was a ...
0
votes
1answer
39 views

Can this different battery model work with my laptop?

The laptop battery which I have currently and is not working for my Dell 5520 15R laptop is having the specs as: 1) Type: 8858X, 48Wh Standard Li-on battery, 11.1 V, 4080 mAh I ordered the battery ...
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votes
1answer
50 views

Why does unplugging my laptop from power reduce power consumption?

I want to save unneeded energy. Because of that, I changed my energy settings to power save mode. However, once I switch off the power supply for my laptop, the energy consumption and CPU tact goes ...
0
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1answer
32 views

Screen flashing when certain programs are focused

My laptop screen is sometime flashing when it is battery powered. While I can live with it, what puzzles me is that it flashes under certain conditions (and not always): When on battery and Firefox ...
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0answers
32 views

Is it a case of battery replacement or general system fault in Eaton UPS?

We have an old Eaton UPS 5130 with old battery(ies) of 4-5 yrs which has not been replaced yet. Both Load Not Protected and Downgraded Operator Indicators are on. Load Level Indicators is light 1 out ...
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0answers
58 views

“No Battery is Detected” but battery works

The Question: How do I get my battery to be detected again? My system is dual boot Windows/Linux. On Linux, for a while, the system claimed that the battery was always at 15%. Now, it says there's ...
0
votes
1answer
26 views

New battery not recognized

I have Acer Aspire 5750. Recently I replaced my 4400 mAh, 6 cell battery with new one, 6600 mAh, 9 cell, compatible battery. Since than, when my notebook restarts, or turns on, I have to wait for 15 ...
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1answer
93 views

Dell AC adaptor flickering green light and won't charge laptop

I have a Dell Latitude E6400 and recently the charger blinks the green LED and wont charge the laptop. After a while however the laptop charges, and then this may occur again after a couple of hours, ...