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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23 views

What does the warning sign over battery icon represent?

The battery icon on my laptop has a warning sign when plugged in: to a laptop dock via a USB C cable. When I click on the icon, I get this popup. Just a warning icon and no further information. ...
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My laptop makes a sound when it's connected to the charger and the battery is full

I have noticed that when my laptop is plugged-in and the battery is full, (Sometimes i leave it charging though i'm not using it) it makes a weird sound . This sound isn't loud at all but i'm ...
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Battery Percentage not increasing during plugged state, post ssd installation in Ubuntu 20.04.2

I have Ubuntu 20.04.2 LTS installed on my laptop HP Notebook - 15-da0077tx. Recently I installed Western Digital's WD Green SATA SSD M.2 2280,240GB on my laptop, but the battery percentage doesn't ...
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HP-au123cl laptop is buzzing when charger is plugged in

I have a 4 y.o. HP-au123cl laptop running Windows 10 that started making a buzzing noise a couple of days ago when power adapter gets plugged in. If I unplug the adaptor and plug back in, noise stops. ...
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How to perform a hard reset on a HP Spectre x360?

I have HP Spectre x360 convertible laptop and I need to perform a hard reset so I looked at this official HP support article. I’m not sure if my laptop has a removable battery or not, I think it does, ...
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Laptop BIOS Corrupted with No BIOS Update?

So I turned on my laptop today only to discover my laptop was restoring the bios, meaning the bios got corrupted. I never have done a bios update on this laptop, so I am wondering how did the bios get ...
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Can't Update BIOS (Update file prints 'Test.' and exits)

I am trying to run a BIOS update using /forceit command to solve warning: "Battery can't be identified". I have done the following steps: Made a Bootable FreeDOS USB Drive using Rufus ...
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How to run/kill/etc process when laptop on battery? [duplicate]

I need to run a script when my laptop starts working on battery. Is there a log event or something like this?
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Can I use higher capacity batteries in an Online UPS?

I have a Farber 1KVA Online UPS that uses a pair of 12v, 9AH batteries that are connected in series. the power goes off a lot in my area and the batteries can't keep my PC on more than a minute during ...
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239 views

Laptop abruptly turns itself off when battery plugged out

I recently realized that my x270 probably shouldn't suddenly turn itself off when its external battery is taken out. I remember being able to switch batteries while it was turned out in the previous ...
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How to measure laptop current draw?

I'm interested in quantifying how much my laptop costs to run (as I know the kWh cost). However, I need to know the wattage of my laptop in standby or usage mode. Is there some reliable software that ...
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when I try to turn on my laptop by pressing the power button it shows the battery status and only on the second attempt does it turn on

I remember sometime in the past seeing a setting which offered the choice to change this, but I can't seem to find it anywhere. Does anyone know where this setting is or how to change this? Thanks ...
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Keeping laptop charger plugged-in, while charging stops at 80%

I have an Acer Gaming Laptop, it comes with an inbuilt feature, that stops charging the battery when the capacity is above 80%, it can be found under Acer Care Center named as Battery Charge Limiter. ...
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Battery life after replacing the motherboard

I have an HP EliteBook 840 G5 notebook. After replacing the motherboard by an authorized service center, I have a problem that the device lasts me a half the time on the battery than before the ...
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GIGABYTE Aero 15 (i7-8750H) battery

I recently bought a new Gigabyte's Aero 15 (i7-8750H). I'm planning to use it daily for my job as a developer. I'm wondering about what's the best way of charging the laptop. Is it better to keep it ...
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CPU temperature reaches 100 degree on stress when plugged in

My laptop runs fine when using battery and plugged in while normal use. But whenever I try to load some heavy software like android studio or install a game or run a game. The temperature shoots up to ...
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Task Scheduler wakes laptop on battery even when it's configured to run task only on AC power

My goal is to configure Windows to wake my laptop out of sleep automatically when it's connected to AC power (before connecting to AC power it's sleeping on battery). To achieve this I tried to create ...
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Laptop battery not working after changing HDD to SSD

I have an Asus X542UA Laptop which I opened up and changed the HDD to an SSD. After doing so I checked if everything connected and seems fine. The battery charging lights went on when I plugged it, I ...
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MSI GV62 7RD LAPTOP WON’T TURN ON

So I placed my laptop on charge and came back to realize that it went off and power on at all. I realized the blue charging light turns on when I plug in my charger. However it doesn’t seem to power ...
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How much time it will take to charge a 4500mAh battery with a 65W charger?

CHARGER INFORMATION INPUT: 100-240V- 50/60Hz 1.8A OUTPUT: 5.0V == 3.0A or 10.0V == 6.5A (65.0W MAX) PDO: 5.0V == 3.0A / 9.0V == 3.0A / 12.0V == 3.0A PPS: 3.3-16.0V == 3.0A MAX (45.0W MAX) ...
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My laptop has glitch due to power issue

I have a lenovo thinkpad t470s. The problem is that when I power on the laptop and when desktop shows up everything works slow with glitch. Just after plug in charger for once it got fixed. Also if I ...
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How do I keep HDD from turning off?

I have a laptop with an SSD and HDD. Windows is installed on the SSD, but because the SSD only has 250GB some of the larger programs are installed on the HDD. My problem is, when I'm using one of ...
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HP Laptop does NOT boot without battery

I have an HP laptop that has an old battery. The battery is working but lasts for short time. However I don't need the battery as most of the time I am using it plugged. I tried to remove the battery ...
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New laptop adapter has 0.5A lower input?

I'm buying a new adapter for my ASUS laptop, but its output is a little different than my old adapter. Old: Input - 100-240V, 2.0A, 50-60Hz Output - 19V 3.42A New: Input - 100-240V, 1.5A, 50-60Hz ...
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Laptop doesn't start after being shutdown for a couple of hours except when connected to power

I'm using an HP Compaq 6530b laptop and for a year or more now, my laptop doesn't start after it has been shut down, hibernated, or even after removing the battery for a few hours, and only happens ...
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How do I tell whether my laptop battery is good?

I have a secondhand Dell Laptop, a Dell E5570. I had to replace the battery because it was bulging, so I bought a replacement battery from eBay. The listing said it's a new Dell 47 Wh NGGX5 battery ...
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163 views

Charge laptop from powerbank with lower output amps

I have this Sherpa 100AC Powerbank and I intend to purchase some ultrabook laptop that lasts long (for trips and hiking) and charges fast. I am trying to understand all I can about Li-ion batteries ...
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1answer
31 views

Laptop battery indicator blinking red while green

3 incidents have happened the past week, and I need to decide fast what to do with my new battery that I bought 2 months ago, before the shop warranty expires in less than a month. I was normally ...
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1answer
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Asus ROG G752VM no battery detected

My ASUS laptop today didn't turn on when I pressed the button to switch it on. Adding the power supply, the laptop turned on, and noticed the battery icon shows 'no battery detected". I have ...
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14 views

Laptop Startup issue

So I would be using my laptop normally and then putting it to sleep. The next day I try to turn it on and it does it not work; no power button lights, no fan sounds, no screen, nothing. Note that it ...
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221 views

Lenovo laptop boot stuck on regulatory information screen

I used my laptop from this morning then suddenly my laptop died. When I turn on my laptop, a screen appears like this There is a command to press the enter key there but when the laptop is on, I come ...
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New CMOS battery - Windows boot not possible - specific external hard drive

My CMOS battery has run out in my MSI H81M-E34 today and I replaced the old 3V CR 2032 battery with a new 3V CR 2016. I always had several external hard drives connected with usb 3.0 cables at my usb ...
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How can I fix the issue that when working on battery, my laptop turns off without any notification?

I have a Sony VPCEH 2010 Laptop and Win 10 is installed. When on battery, If the battery arrives at about 30%, my laptop suddenly turns off without any "Battery Low" warning and after ...
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My MacBook Air M1 (2020) drains the battery faster than expected when I keep my Android phone connected to it

The battery drains very quickly on my MacBook Air M1 (2020) when I keep an Android phone connected to it. I use it for app development. Is there any way I could stop the Android device from charging? ...
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Trying to buy a replacement battery but I worry about whether it will be compatible due to the differnce in voltage and capacity

I'm going to replace my HP 740004-121 OA04 battery,the originally is 14.8v but the one I'm looking to buy is only 14.4v. Would this not power my computer fully or not fit or be dangerous in any way?It ...
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1answer
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macbook new or old? [duplicate]

i bought a new m1 macbook air few days ago and i wanted to know what should be the battery cycle count in a new machine and if its normal to have 2 battery cycle counts in a new macbook? i mean ...
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108 views

Battery Limiter cannot start

I am a using a Battery Limiter app by robotonfire (https://www.robotonfire.com/bl/). It was working good for few weeks and suddenly came this error " ERROR: Battery Limiter cannot start. The ...
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Sudden drop in battery charge in Manjaro KDE

On my Dell XPS 13 9333, I have a problem detecting the "true" battery charge. This problem was in my previous Linux distro Kubuntu and is still present in my current Manjaro with KDE. The ...
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58 views

Cannot get Battery Level

normally I used this command to get battery level wmic Win32_Battery Get EstimatedChargeRemaining but recently it started to give me: Win32_Battery - Alias not found. So I read I should be using ...
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Unknown [NONE] drained battery, now won't charge

This morning my laptop's battery fully drained within 2 minutes and now will no longer charge, showing "0% available (plugged in)" in the taskbar. I've run powercfg /spr and the report shows ...
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Spilled water on mouse, now it shows battery level even when it's off

As the title suggests, I spilled a little bit of water on my Logitech G900 mouse, and it works 100% fine, except that it's showing battery level even when I turn it off. It's only supposed to show ...
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47 views

Is it possible to charge a laptop via a USB-C-to-DC adapter plug?

I own a Acer laptop from 2017, which came with a brick-sized 19V/3,42A power supply that's connected via a 5.5/2.5mm DC plug. Although the laptop features a USB-C port, it unfortunately doesn't ...
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37 views

Windows 10 hibernates because of the battery

And by "actively" I do mean I'm typing or moving the mouse. When it happens, windows shows me a dialog box. But before I can read it, the pc is going into hibernation. I ran powercfg /...
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24 views

Why does my laptop's performance drop for a few minutes when connecting it to power?

I have a very peculiar problem with my laptop. When my laptop battery is low and I connect it to power, the performance drops extremely, to the point where it becomes impossible to use. Windows take ...
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Battery charge limiter on windows 10 [closed]

I have been searching the internet for quite a while to find an app, which will limit the battery charge on my laptop, but all of them are limited to notifications when the battery reaches a certain ...
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1answer
39 views

How can I know if my laptop is getting enough power?

I have removed my laptop’s battery because it was swelling up and damaging other components of the laptop. I am running my laptop directly through power adapter. I have connected my power adapter in a ...
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1answer
42 views

Laptop Battery Showing Charging Icon Even Though It's Not Plugged In

(1) My laptop think it's charging even when it's not plugged in. (it shows the charging icon) Win 10 64 bit (2) And also it does this weird thing when I shut it down, it's just restarting and I have ...
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263 views

Charging a laptop with OnePlus Warp Charge 65 Watt Power Adapter

Is it 100% safe to charge my laptop (Lenovo ThinkPad X1 Carbon 6th gen (20KGS2ML00)) with an OnePlus Warp Charge 65 Watt Power Adaptor? https://www.oneplus.com/product/oneplus-warp-charge-65-power-...
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Does resetting Pavilion dv6 to factory settings also reset any BIOS changes made in the past, setting them back to default?

I purchased a used (old) Pavilion dv6 laptop that was running Windows 10. The seller set it to revert to factory settings to remove all of his data and programs, which also changed Windows back to ...
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33 views

New laptop boots slowly when low battery

I have a new laptop (2 months old) with the following specs AMD Ryzen 4700 AMD Radeon Graphics 8GB RAM 1200GHz 500GB storage SSD and, most of the time, it boots very quickly (i'd say a few seconds) ...

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