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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Lenovo T495 - Opensuse Tumbleweed - USB does not work when on battery

I have a Lenovo T495 and it works fine when on mains. However when on battery, USB devices (flashdrives, hdds, etc) are not detected. Plug in the mains, and they are detected fine. Running kernel 5....
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How to avoid FPS drop on games after the laptop battery dies?

I am having an FPS drop when I play games (e.g., League of Legends). When I bought my Laptop PC (DELL INSPIRON N5110) I didn't experience the FPS Drop, it was around 60 FPS and stable. It started when ...
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HP Laptop turns off when unplugged, won't turn on when not plugged in

I have an HP Elitebook 840 G1 Notebook. It was working just fine earlier both when plugged in and on battery. Recently I have left it plugged in most of the time and I would occasionally unplug it. ...
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a dell tablet has a 36Wh 7.4v battery pack with 2 Li Ion inside the pack,Will the tablet work if one of the batteries are dead or removed?

I have a dell portable tablet the charging station got broken and some how one of the batteries inside the battery pack got damaged so i took the battery pack appart and removed one of the two ...
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Replaced ThinkPad T510 battery, DVD drive randomly opens

I recently replaced the battery in my ThinkPad T510 (running Windows 10) with a new OEM battery and throughout the day the CD/DVD drive randomly opens. It is the weirdest thing as I will be typing in ...
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Battery on Toshiba L500 series laptop

Installed new battery in Toshiba 500 series laptop and it registers 100% charged. When I disconnect the power outlet to run it on the battery the computer screen goes blank; also, the battery ...
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I have a lenovo idea pad slim. Whenever i unplug the charger the brightness dims. How do i turn this feature off?

I have tried to alter it but so far had no luck. I am unsure how to turn adaptive brightness off, and when i attemt to change my settings, it says 'balanced' is my only option in regards to display ...
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How do I tell what battery my laptop needs if I don't currently have a battery installed?

First, a little backstory: A few months ago the monitor for my Acer Aspire F5-573 laptop shattered, so I took it to get fixed. Ever since then, the computer has said "no battery detected". I finally ...
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1answer
34 views

External battery (powerbank) discharged immediatelly upon DC-IN unplug

I just bought a battery Viking Smartech II, and I have this problem. It started slowly to charge, from 1% up to 20% after an hour. I wanted to test it so I unplugged the power cable from DC-IN - and ...
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1answer
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Laptops Battery not holding much recently Acer Predator g3 571

my Acer Predator's battery isn't holding it anymore it used to do 2 to 3 hours on power-saving mode, not it only does an hour and a half, this starts to happen recently according to the battery report ...
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1answer
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MacBook Pro abruptly shutdown when battery reaches ~15%

Im facing a very annoying and odd issue with my MacBook Pro. When Im using it on battery and whenever the battery reaches around 15%, the machine simply and abruptly shutdown. This started out of ...
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What tools and kernel features some desktop environments use, to monitor battery level

I have noticed some strange behavior of battery charge indicator in Gnome and Cinnamon. When you plug charger into laptop, it updates battery charging status(charging/discharging) only when battery ...
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Laptop battery still charging but won’t turn on after sitting in a case that had water dripping on it over the weekend

I left my computer at home for the weekend and when I got back a water pipe in the ceiling had broke and was dripping over my laptop which was inside of a cover. The cover was completely wet but the ...
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Laptop randomly shuts down when unplugged

My laptop (Asus X541U running Windows 10) started to shutdown randomly when it is on battery, after a couples of weeks it completely stopped working on battery. I took it to someone who disassembled ...
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Is it better to charge a battery to 70% every day, or 100% every two days? [closed]

:D Currently I have a smartphone with a battery big enough to use it 2 full days without needing to charge it, but lately I have been investigating about not charging it to the maximum, what helps ...
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Laptop battery drains fully when left over night

My brand spankin' new HP Envy laptop drains the whole battery when I let it sit overnight. I simply close the lid (and have it set to go into sleep mode when I do so). What can I do to put an end to ...
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What iCloud for windows is doing in the background - it takes 25% cpu capacity by average | and how to solve it

I am using a surface book, and take the document fold synchronized with iCloud. So I have installed the iCloud for windows since I transferred from MacBook to surface pro/surface book (I have both). ...
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Laptop adapter turns on and off while hanging my Ubuntu system?

My laptop charger when plugged to my laptop keeps turning on and off and while this happens my laptop hangs badly and I cant do any work but when i unplug the adapter the laptop works perfectly fine. ...
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Laptop not charging consistently on Windows but does on Ubuntu

Setup: I have a Lenovo T440s running Windows 10 which requests 20V and 2.25A/3.25A and a charger providing 20V and 2.25A. I have been having this problem for a while. Essentially, when I plug in the ...
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Replacing battery on Asus laptop

So I have an Asus X554L for couple of years now and I used it mostly for gaming which took tall on a battery cycles. When I bought it it could do straight 6 hours of web browsing or watching movies, ...
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Disconnecting battery cable from Asus Zenbook ux530ux motherboard

Hi could you help me to disconnect the battery from the motherboard, please? I've tried pulling it upwards but it doesn't seem to unplug and I'm scared if I apply too much pressure I'll break it. Am I ...
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PC losing CMOS settings, battery shows 2.90v, is that enough?

UPDATE: While I think I might still have a "dead" CMOS battery, the main cause of the problem behaviors turned out to be CPU temps. One hex nut in the backing plate of the CPU cooler had come out, ...
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Laptop battery capacity going up 3% after each cycle

I know that it is normal for capacity of a laptop battery to decrease over time, but mine is actually only going up after each cycle. I don't expect much from my Chinese laptop called Chuwi Lapbook ...
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1answer
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Powershell - When removing AC power value is not changed

I'm trying to make a script that changes Windows power plans depending if the battery is plugged or not. I tried an infinite loop which is constantly checking on the battery status, variable "$...
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Laptop Series Battery Compatibility

I need to replace my Toshiba Satellite L655-13X battery with a new one. The batteries I found are for L655-S5083, and L655-S5150. They appear to be the same in the picture to my battery. However, how ...
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1answer
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My laptop's charger will not often work

I don't really know how to explain this problem or what causes it. My laptop charger takes a lot of work for it to actually charge my laptop. For example, I can't just plug it in. I have to move my ...
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Lenovo Yoga 2 - 13" | Will not switch on

Hi guys so i have a Lenovo Yoga 2 13" which simply will not respond. This happened out of the blue. Battery died, won't switch on again. I get a white light on battery light with power supply plugged ...
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Is it okay if I don't replace my laptop battery as long as it works by plugging it in?

I got a laptop and the battery is defective. It does not increase the charging percentage, it always stays at 3-8%. If I remove the charger manually, it will turn off. Is it okay if I don't replace ...
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The performance of an laptop can be affected by the battery and by the AC power adapter? [duplicate]

I have a laptop Dell Inspiron 5567 (Windows 10) and today when I open the laptop I receive that message: "Alert! The AC power adapter wattage and type cannot be determined. The battery may not charge. ...
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52 views

Windows 10 laptop REALLY doesn't want to show battery icon

So, the battery icon just disappeared from my task bar. I look around and find out that I should check the task bar settings and set "power" to "on". "power" is greyed out. I find out that to fix ...
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164 views

How to keep your PC from locking when battery is low

My Windows 10 laptop automatically locks itself whenever its battery is low, which is EXTREMELY frustrating. The only temporary solution I've found so far is to keep it plugged in, but I'll also have ...
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1answer
29 views

Laptop creating noises when fully charged and plugged in

My laptop Dell Inspiron 15r 5537, creates a buzzing sound when it is fully charged and still plugged in. As soon as I turn the charger off, the sound goes away. No sound comes when the laptop is ...
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Laptop Display Goes Crazy

I have a 7 year old Dell XPS13 laptop. Since it was a better than average laptop and I was still happy with the performance, last year I upgraded the SSD and installed Windows 10. The display ...
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Is it wrong to use a laptop with the lid closed?

Recently I decided to use my laptop with an external monitor and I always use it closed-lid and enjoy. :) The question is: Is it wrong to use a laptop closed-lid? I mean problems like overheating ...
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Can laptops run without a Cmos Battery

So while I start the process of getting a new cmos battery. Will my laptop run without one if I remove the old one? Since a lot of you said it might leak can I remove it and still run?
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How do I make my own laptop Cmos battery

The people on your site helped me find a Cmos battery for my laptop. https://www.ebay.com/itm/NEW-OEM-FOR-HP-Pavilion-dm3-dm3-1100-Series-Battery-Cmos-Resume-RTC-/264449233544 But I realized this ...
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Should I disconnect HDMI cable to the laptop when the laptop is turned off to make sure my monitor doesn't waste my laptop's battery

Should I disconnect HDMI cable to the laptop when the laptop is turned off to make sure my monitor doesn't waste my laptop's battery? I'm using an MSI Leopard 8rd GP63 laptop which is good. And when ...
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183 views

How do low/critical battery alarms and their corresponding triggers work on Windows XP?

On my old Windows XP laptop, when I enter the control panel, click power options, and then go to the alarms tab, I can wander around the settings for the low and critical battery alarms, including ...
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Computer clock keeps changing time but date seems correct

First I thought it is a Cmos battery problem. Maybe it still is. I thought it was because the computer is running win 7 so it is old. Before when I turned on the computer it would change the time. Now ...
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1answer
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Laptop is locking itself randomly only when is pulgged

i have a Dell Inspiron 17 7000 Series 7746, and recently i change my battery because it was old(aprox 5 years)and didn't stay charged more than 10 min,so i took my laptop to a local pc service and ...
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1answer
213 views

Can I charge my HP Probook 430 G5 from 2018 with my Galaxy S10+ USB-C Adapter

my Name is Nicolas. I need to charge my Laptop but I don't have my normal Charger here, so I've done some research about charging possibilitys and found out that my Laptop has USB-C Port which is also ...
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1answer
66 views

Running Lenovo laptop on AC power

I have Lenovo yoga 260 and its battery life isn't that good, and I don't want to make it worse. i tried saving power as much as possible but it wasn't very efficient. is there a way I could ...
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1answer
50 views

Why might a ssd seem to consume dramatically more power than a hdd?

System: Acer One laptop (2013) with Intel Pentium 997 1.6 GHz and 4 MB RAM, Windows 10 I replaced a 512 GB Sata hdd with a 120 GB Sata ssd. What I did not expect was the remaining battery time to ...
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1answer
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Laptop crashes while booting if battery is removed

I have an old laptop that i decided to use as a media center for my TV. Since it would be used for long periods of time, with the power plugged in, it would damage the battery, so I removed the ...
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Mouse cursor moving in a square

I tried using my wireless mouse yesterday (which wasn't used for roughly 2 months) on my desktop, and i noticed that i couldn't move it in any way, i could just press the two right and left buttons. ...
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Games run better when I'm not charging

I couldn't find any answear/solution for my problem, which is when I play a game like GTA 5, GTA 4 or basically any other, I get worse FPS (Like 30fps less) when I keep my laptop charging. On the ...
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Battery drops to 0 from 46% despite having equal design and full charge capacity

I bought a used dell latitude e7450 yesterday. The laptop works fine except the battery drops to 0% from 46% really quickly and it shuts down without warning. The battery report says that the design ...
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How many watts required over PD to charge my notebook

I have an HP Elitebook that is charged via a USB-C PD port. I am trying to work out how you work out what is a sufficient power source to charge it - not my specific model, but hopefully the general ...
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Battery shows 5% remaining after 8 hours of charging and sometimes says “Battery not detected.”

Some Observations The computer runs as expected when it is plugged in. After charging overnight (about 8 hours), the battery life is at 5%. Sometimes, the battery task bar icon says, "Battery not ...
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Is this HP laptop battery — that has been fully drained — safe to use?

I have a HP laptop battery model number MO06. I used it for 3-4 years and it was down to 50% capacity. After HP’s recommendation to discharge it fully and let it sit for a few hours, it killed it. So ...

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