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My laptop running on BATTERY and giving error 'No battery detected'

Q: My laptop running on BATTERY and giving error 'No battery detected'

my battery was giving 1.5 hour power backup from last 4 months... then last month it decreased to 1 hour...from couple of days it decreased to 1/5 hour(with error 'Consider replacing new battery') and yesterday i was using on battery power... and battery had 34% power remaining.. suddenly battery indicating light turns orange and pc shutdown... after that.. my pc is not charging battery... and if i run pc on battery.. it work 10 to 15 minutes ( with orange light.. and on task bar.. battery icon giving error "No battery is detected" ) and then shut down.

today i run laptop on battery power and open setup..and there was error "No battery installed" in battery info...

what happened.. can anyone tell me????

i forgot to tell you that... according to battery's LEDs.... my battery is healthy enough.. but now only 1 led is working...

Preferred Solution: My laptop running on BATTERY and giving error 'No battery detected'

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A: My laptop running on BATTERY and giving error 'No battery detected'

Your battery has failed and must be replaced. They're only good for three or four years. Happens to all laptops.

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I have a recently purchased ASUS laptop as mentioned in title, and there seems to be issue after issue.

As mentioned in a previous thread, I had problems with my sound card popping a crackling. After updating my BIOS drivers, this fixed the problem.
Now I have a new problem.

Since updating the BIOS drivers, I've noticed that my battery icon shows an 'x' on the battery and says 'no Battery Is Detected' on mouseover. If I turn the computer off, disconnect the AC and try and turn it on again, it wont turn on at all.

I have tried going into Device Manager and uninstalling the two drivers under Battery and then reinstalling them, but this hasn't worked. I have seen solutions online that involve removing the battery and then adding it back, but the laptop I have appears to have a non removable, built in battery.

I have also tried uninstalling the "Microsoft acpi-compliant control method battery" and "Mirosoft AC adaptor" drivers, then restarting the computer. This worked to redetect the battery, but ONLY until the next computer restart, when the problem resurfaced.

What other options are available to me?

A:No Battery Is Detected error on ASUS Laptop

The laptop not being able to turn on from the battery is a hardware issue. There may also be a software issue in Windows, but missing drivers etc, will not stop a laptop from booting up from the battery to the BIOS. You can boot to the BIOS with no OS installed. The battery has likely failed and needs to be replaced, or its fully discharged and not being recharged. It should charge even if the laptop is off, as long as the power pack is plugged in. My ASUS and my ACER laptops will charge the battery when powered off and plugged in. Is this a new or second hand device? If it's new, I'd return it.

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Just received a new Dell battery for my laptop.  The battery icon starts out at 100% and time remaining at about 3. 5 hours left, then within 1 minute the time remaining levels off to about 2 hours left.  The battery showing time remaining is jumping up and down.  I am only using the computer for the internet.  No CD or DVD or gaming.  At best I get 1.5 hours out of a charge.  Is this normal?  Or did Dell send me a bad battery?



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Hi everyone,

My laptop battery seemed like it had loads of life left in it, but one day it just suddenly stopped working and my laptop started saying "no battery is detected". I contacted the insurance people and they came over to check that the battery was dead and that it wasn't a problem with my laptop itself. They confirmed that I just needed a new battery and sent me a new one. Now with the new battery in it is saying the exact same thing ("no battery is detected"), and only working off power from the charger. If I take the battery out and then put it back in again, the laptop says "plugged in and charging" for a few seconds before switching back to saying "no battery is detected" and completely ignoring the battery.

I know that the problem must be with the laptop and not the battery, so does anybody know how I can fix this problem?


A:Laptop battery problem: "No battery is detected"

Hi and welcome to TSF please try removing the battery and the ac adapter and hold down the power button for 45 secs then try booting with the battery alone

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Hello, i just bought a extended 97wh genuine dell battery for my e5420 laptop from ebay. After recieving it i decided to use a software to let me see if its worn any which it said it was 100%, 2 days later i looked at it again and it says it is 6% worn, and i was only gonna get 91wh on a full charge. now i looked and when im at a full charge im getting the designed amount of wh and its claiming my battery is at 106% charged, i understand why its saying 106% is because its holding more then the software thought the battery could hold. but how can i fix this, i tried to recalibrate the battery by killing the battery at full charge and then recharging it completely, but unless i did it wrong it didnt work. ive used 3 different peices of software including checking with cmd but they all say its wrong. i think this would be called a false positive on the wear level?

A:Laptop Battery Information Software Giving off a weird result

It seems the software programs for checking the battery that you are using are useless. I would uninstall them & just rely on the usual method of checking your battery, that you have used up till now.

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I bought new original Toshiba battery for my M800-107, since my old one has lost a half of its capacity. The problem is, when I plugged this new battery in Win7 says "Battery connected, No charging" and after that "No Battery Is Detected". When I unplug AC, laptop works, but when I plug it in again, still no charging (no existence of the battery). The red battery charging led is blinking, when AC is unplugged, lighting when AC connected. I have tried everything I found on the internet to solve this problem, but nothing worked :-(

I also tried Ubuntu to see if Win is the problem, but the same problem occured.

I have bios v. 5.00.

Don't you know any solution? Maybe - new BIOS if there was any newer?

Thanks in advance.

A:Portege M800 New battery - "No battery is detected"

Have you bought original Toshiba battery with Toshiba logo on the battery sticker?
What happen when you start notebook with AC power supply only, without battery and insert battery when operating system is fully loaded?

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I just bought a new replacement dell inspiron 1545 laptop battery,and works with power supply disconnected from computer,however it shows x in battery icon,and reads no battery detected,this is a windows 7 system and a dell laptop,any suggestions on how to get my pc to read or recognize this new battery? it also shows that it cannot read model number of battery during startup so no charging can be done??

A:new dell laptop battery,not being detected

1. If it is a non Dell battery it is quite common that some cheaper alternatives are not detected
2. Go F2 setup on post (think it is F2 on a dell - enter BIOS scroll across to power options look for battery learning function or something similarly worded
Enter that and see if there is a choice for enable etc.
If so select, save and exit
Reboot and test

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I took apart my laptop to fix something, and I connected the battery the the naked motherboard to test something, but I put it in backwards.
It was brief, but it caused an issue nonetheless.

I'm almost positive the battery itself is fine as it wasn't connected long enough to get any significant short-circuit damage and it reads fine on the multimeter.

Any idea what to do?

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I have a Dell Vostro 3500 and just changed the battery (a non-dell item) and this is shown as not being detected. I have tried using the device manager, uninstalling the MS ACPI Control Method and then scanning for new hardware, then rebooting but this does not solve the problem.

Clearly there is something that only detects Dell originals but there must be a solution to finding alternatives

Anyone any ideas?



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i have dell inspiron N4050, and using windows 7....backup time of my laptop was 3-4 hours , today suddenly it started showing "no battery is detected", the laptop is working when it's plugged out(on battery)...and battery light remains off when the battery is plugged in... what should i do? is it the battery problem or windows problem?

A:Error, No battery is detected

Welcome to the Community. I suggest you try reseating ( take out the battery and put it back ) your battery once and restart your computer. You can also try updating your Bios using the below link. Make sure you have the battery and the AC adapter connected to the system when performing this step.
I also suggest you check Dell Quickset on how your Battery is performing. If you do not have Dell Quickset, use the below link to install it.
Thank you

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I was given a 7-year old Dell Inspiron 6000 laptop to do a clean reinstall of Windows XP.

The battery in it is Dell-branded and appears to be the same one that came in it.

The charger works fine and kept the laptop powered during the entire setup/install/update process.

After I was done, I discovered in the power options and in the taskbar that the battery isn't being detected.

I examined the battery and the contacts and didn't see any damage or corrosion.

I wanted to update the BIOS, but I couldn't because of the "no battery detected" issue.

I realize a 7-year old battery likely no longer holds a charge, but why isn't it being detected?

I've never run into this issue before, so I'm stumped.

Anyone have any ideas?


A:Solved: Dell Laptop Battery Not Being Detected

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Dear HP,From two months ago, the message "The system has detected the storage capacity of the battery stated below to be very low." appeared before the startup and the battery didn't (and doesn't) charge. Or it signals that is charging but once I plug out the charger, the battery doesn't even last for a minute or it simply says "plugged in, not charging".I tried to run more than once the battery test in the System Diagnostics,that is described in your tech support, but it doesn't run (it doesn't pass further than 1% and I left it hours for run). I also tried the battery test in the HP Support Assistant, but once I start it, it says right afterwards "battery test stopped working" and it doesn't finish the test.I would like to know your opinion for a possible solution.Thank you for your help

A:battery failure, battery test not running

Hi, Is it still under warranty ? If yes, please contact HP in your country to have a replacement:          http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html Otherwise you need new battery. Regards.

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Unclipped and reclipped battery and now laptop E6400 will not boot up.
The diagnosis screen shows battery as there and in moderate condition.
Ran the on board repair but it failed to resolve issue.
Service Tag <ADMIN NOTE: Service tag removed per privacy policy>
Build 4127
BIOS very A24
Please advise on course of next action. Thanks.

A:RTC battery not detected error 2000-0411

Try a new one and make sure it is installed correctly with printed info visible. If a new cmos battery doesn't work, the motherboard could be defective.

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I have a Lenovo Thinkpad Yoga 15 that has recently been having some issues. Starting 11-28-2016 my computer would periodically show an error stating "The battery is not detected. Try reinstalling or recharging the battery to solve the problem.". When this occurred originally, the computer was always running on battery power with greater than 25% battery life left and following the message, the entire system would behave sluggishly resulting in an inability to type or use the computer for several minutes. More recently, the computer will power off suddenly and without warning losing all unsaved data. About 50% of the time when the computer is powered back on, I get a critical battery level notice (despite the battery indicating it had sufficient charge immediately before powering off) and the computer will not power up. The other 50% of the time the computer has no problem powering back on and behaves normally. Also, recently I have been getting the battery detection error even when the computer is plugged in to the AC adapter, but the computer does not behave sluggishly after the message when it is on charge. As this model has an internal battery, I cannot remove and replace it easily and, as the battery often is nearly fully charged when this occurs, I am skeptical that the battery itself is actually bad. I would appreciate any suggestions for troubleshooting or solutions. Thank you!

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As the title says.

My battery is 100% charged, when i disconnect the power lead after 30 seconds or so my laptop powers off.

I bought a new battery today charged it to 100% and it does the same thing
Any ideas please

A:Dell Inspiron 7720 Laptop - Battery 100%, turns off when not plugged in, have tried new battery

harrrrrrry.Cable LooseIf you have a cable that is loose, try removing the cable and reconnecting it and make sure it is firmly in place.If the cable is still loose, check for any bent or broken pins or damage to the connector or cable.If there is damage to the cable that is causing it to become loose, the adapter and or cable will have to be replaced.Check the BatteryRight-click the battery icon in the lower right-hand corner, then click Dell Extended Battery Life Options. If this option is not available, proceed to Step 2. Click the Battery Health tab. Make note of the message on the page, when the battery shows as "This battery is performing normally", then the battery is performing as it should.Make sure your bios is updated. You can also run the diags. click the link below.http://dell.to/2k3NUrHTo run a full diagnostic on your computer, go to the Dell PC Diagnostics page, click the Advanced tab and click Run Diagnostic. Uninstalling & installing the Battery DriverIf the above steps don’t resolve and you might need to uninstall the battery driver, and then restart your computer. Follow these steps:Open Device Manager by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Security, and then, under System, clicking Device Manager.‌ If you're prompted for an administrator password or confirmation, type the password or provide confirmation.Double-click Batteries.Right-click Microsoft ACPI-Compliant Con... Read more

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Battery Issue - Lenovo V570 (Laptop) - Battery Model L09S6Y02

First off I for the most part do not use the battery. It is normally detached from the laptop. I only attach it to periodically charge it and test prior existing charges' performance.

O.K. here is the problem. I attach battery attachment, computer does not make it to the window screen more often than not. When it does, it freezes at the please wait loading screen.

I rarely use the battery at all, but I want all my equipment up and functional. It's life should still be good for I periodically recharge it. I think since I've had the laptop I've only recharged it a total of 6 or 7 times and that's been a year or so.

A:Battery Issue - Lenovo V570 (Laptop) - Battery Model L09S6Y02

jonasdatum said:

Battery Issue - Lenovo V570 (Laptop) - Battery Model L09S6Y02

O.K. here is the problem. I attach battery attachment, computer does not make it to the window screen more often than not. When it does, it freezes at the please wait loading screen.

I rarely use the battery at all, but I want all my equipment up and functional. It's life should still be good for I periodically recharge it. I think since I've had the laptop I've only recharged it a total of 6 or 7 times and that's been a year or so.Click to expand...

I, for the moment at least have the battery working power adapter attached. What did I do? I uninstalled Avast (freeware version) ?

I learned from prior experience that running two of any system utility software can cause problems, but it normally restricts itself to what it is protecting. Then I remembered: "If you remove the possible whatever is left however in probable must be the truth."

Next phase of testing is test the battery on it's own.

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It's so strange. Today when I turned on my laptop, suddenly, there was a message that my battery has problems so the computer might shut down suddenly. I tried different strategies, like uninstalling the battery driver, or letting the computer completely die. When it turned off itself at 6%, I turned it back on, and it was at 2 minutes battery life. Then in a few minutes, it said 4 minutes battery life for 6%. Now, it's passed an hour, and it says 3 minutes, but changes sometimes to 1-4 minutes. The battery meter is completely wrong, and I don't know what to do since it is closing the computer way too early. I'm still not sure what the problem is. Please help me.

A:Laptop Battery Meter is Completely Wrong and it says there's a problem with the battery

How long have you been using the laptop with battery? Is it still under warranty?

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My hp laptop had its battery flat for 12 hours. After that the laptop can nolonger boot up or charge. Please help

A:HP laptop cannot boot up or charge battery after battery went flat for 12 hours

What is the model of your laptop?

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Hello there,

I have an one year-old ASUS K53S Laptop, Windows 7 Home Premium 64bits, 6GB Ram and 500HDD.

At the beginning, my battery lasted >3 hours in Balanced power mode (which is the one I alway use) and now due to regular use it last about 2 hours.

Everything normal until here. About 2 months ago, i started playing this game in full screen with the battery on and it last about 30-40 minutes until it reached the low battery warning (11% left). I would then plug the power on and resume the game, charging the battery as well.

After a few weeks, the warning stopped appearing in the desktop and the computer automatically hibernated (5% left) with the game still on. So i plugged the ac power on and resumed the game right away.

This kept happening from that moment on: every time i played the game it would reach 5% battery left and hibernate for itself, whereas it should appear the low battery warning at 11% left where I would plug in the ac power and charge the battery without going into hibernation.

On top of that, my sister kept stealing my ac charger for charging her Toshiba Satellite as she often forgets her own charger at her workplace!

Now, at the present day, when the battery reaches about 15-20% left, the laptop power off unexpectedly, as if I had pull the battery off of the laptop.

It must be from all those time it would reach 5% left, with the game still on, that "tired" the battery and now it won't even last further than 20% left...

It might ... Read more

A:Laptop powers off unexpectedly at 20% battery left. 1YearOld Battery..

Hi there .. Do you have Power4Gear Installed ... If so i would look into the Settings for that could be a power plan so save Battery life ... It should also be able to tell you your Battery's Health status ... I have no idea how good this Program is could be total crap ...

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I've been using a Dell inspiron 1545 from about 3 years now and exactly after 2 years of my buy, the battery failed and it started showing me to replace the battery and always notified me about contacting dell for a new battery.
I didn't take this of much concern so i just ignored the message and kept on using my battery with my adapter plugged in. After 4-5 months of such usage, My battery completely failed and doesn't even offer me even a minute of backup, when i remove the power socket. Then i realized the importance of a new battery and then bought a new battery from Dell.
Its the same battery with the same specs and also the same family type. After i removed my defected battery, I replaced my new bought Dell battery and realized that my battery is working fine. its charging well but at some time, it says "Plugged in, But not charging" Which is rare for any new battery, which is bought brand new.

This is how it looks now after i remove the AC adapter plug and when i depend on the battery backup. it is providing me a backup, but I see a yellow exclamatory mark beside it. Which I think should not be present. it also says "Low battery" when there's already 99% of battery left!
I've also followed some online steps
1) updated by BIOS to the latest  2) Followed some other steps like uninstalling the battery ACI in the device manager and etc...
i would love to get this problem solved. I'm using a PA-12 family adapt... Read more

A:Bought a new dell battery and still my laptop battery doesn't charge!

Hi Utkarsh. I Actually FIXED this problem months back. and I exactly want to help you on this so that you can fix it yourself too..
the problem which is creating your battery to show an exclamatory mark is your power settings.
so follow these steps to get rid of that sign and a perfectly working battery.
1) Click on your battery icon (left click) you should see an option called " More power options" at the bottom of the popup.
click "More power options"
2) Now you will be taken to your control panel where you can see all of your power plans and under each plan, you will see an option called "Change plan settings"
3) Click on "Change plan settings" for your active power plan. Now you will get redirected to another control panel window, where you can see two kind of power options to get adjusted. that is, when you battery is plugged and when your battery is unplugged.
4) Don't touch those options, just click on "Change advanced power settings" at the bottom left of that window. THIS IS THE AREA WHERE WE NEED TO FIX!
5)After you click on "Change advanced power setttings", you will see a POWER options popup, go to the bottom and then you can see something called "Battery" with a plus sign on the left. click it.
6) Now you just have to change the levels for the following values
                   --> Critical battery level ( you can change it to 10%)
&nb... Read more

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Ok this might be easy..it might not (COMPAQ M2105)

I ended up replacing my motherboard for a model with more features (SD readers blah blah).

I took it all apart and put it all back with the new board in...now when i go into windows (and even before while booting)...the orange lights would come on for a second...then beging to flicker

while in windows...it just will either not charge the battery..or flicker from AC to battery

i CAN power the unit on with the battery alone, and i CAN power the unit with the cord alone...

lastly, my old motherboard (which had a HD connector problem)...still WILL charge the battery...so i'm sure its not the battery...i don't think...

i also dont' think its the AC adapter since it is the same piece I used on both motherboards.....

what to do................

A:compaq M2105 laptop - battery will not charge, flickers from AC/battery

Hopefully you are experienced in working on and repairing laptops/notebooks... and you carefully handeled the replacement motherboard and didn't damage it. Repairing laptops takes considerable skill and caution.

It does sound like the "new" motherboard is bad unfortunately. How did you handle the "old" operating system restore to the "new" motherboard?

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I've got an odd problem here. On my Compaq Presario CQ60-615DX, it runs fine as long as it's plugged in. Once I unplug it and run it on the battery, once it gets down to about 87-88% or so, the screen just goes black, but doesn't shutdown and I'm unable to do anything except remove the battery and restart. My first thought was a battery problem, but the fact that it keeps running even though the screen is black makes me wonder if that's the case or not. Anyone else experience this or any ideas to help?

A:when running on battery, screen goes black,but laptop is still running

You laptop is due to the power plan settings, refer to point 1.
Normally, the laptop can return to display mode upon moving the cursor &or keyboard being press.

1. Go to Control Panel, select Hardware & Sound; select Power Options.
Select the Power plan with button marked, and Change Plan settings to view on the options.

2. If you are using main power, best is to remove &or unplugged the battery.
If the battery is always plugged in, while using main power, this cause the battery to failed in the long run.
Unless you need to charge battery, then plug in the main power.
If battery is almost 100% then remove it if you use main power.
I had one laptop (from my bro) who always battery was plugged in and also use main power.
The battery was now useless, cannot hold charge.

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I was charging my laptop (without using it but display was on) ,after charge level reached 96% it stayed in 96% for 20 min and after that immediately it reached 100% and then I disconnected my laptop and charge level decreased to 96% immediately.Now i started using my laptop and it was discharging normally after reaching 93% ,I shut downed my laptop.Then I opened it after 12 hours and the battery level was 97% (I didn't charged my laptop during shut down).My laptop is 8 months old.Battery backup is 3 hours in normal use.Cycle count is 36/300.I ran battery test it passed.

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I am becoming more and more concerned about my laptop's battery each and every passing day. When I check the bottom right of my computer screen to check if my computer battery is completely charged, it says "0% available (plugged in, not charging)". I have had to buy two new batteries because of the same thing and they also read "0% available (plugged in, not charging)". When I unplug my laptop from the power source, it turns off automatically. I cannot even bother calling Dell to check this issue for me because I bought this computer off the street for $35.

My question in general is how do I get this problem fixed and how do I keep an eye on how my laptop computer charges correctly (or not)???

A:General Question about laptop battery charging AND 0% battery

Some reading and testing for you

Why is my Laptop battery not charging? – Drivers.com updates

Laptop Battery Not Charging | PCWorld


The common method is:
- Create a System restore point
- Uninstall (Under the Batteries category in Device Manager) the Microsoft ACPI Compliant Control Method Battery.
- WARNING: Do not remove the Microsoft AC Adapter driver or any other ACPI compliant driver.
- click Scan for hardware changes

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Recently I noticed that the amber LED on my HP Probook 650 G1 flashing constantly, even when the laptop is powered off.   The System Tray battery indication is 100%, fully charged, when on AC power and 100% on battery power shortly after undocking.    I find the Probook won't power up if AC power is not available (no response when pressing power button) but remains powered when I remove it from the docking station.    Have the electronics that control this LED flashing and power up when not on AC gone bad?    Is this an indication of other failure? thanks

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Hi, my girlfriend in Beijing has an Acer Aspire S3 latop. She bought a new battery for it a while back and told me it was no good. I was in Beijing recently messing around with it and found that actually the battery is fine (lasts for >4 hours) but when unplugged and running on battery power, the laptop often just cuts out suddenly (loss of power). I took the battery out and had a look and cleaned all the connections but they seem fine.

The next part is the strange part and which I hope might give someone a clue as to what's going on...

When it cuts out, it will never restart again unless the mains power cable is plugged back into the laptop. As soon as that's done and the power button is pressed, it starts up again and the cable can be taken out immediately (I mean immediately - you can plug the cable in, push the "power on" button and pull the cable back out in less than a second) and it will start up and run fine on battery again... until the next time it suddenly cuts out without warning.

Because any unsaved data is lost and because the laptop cannot restart without the power adaptor, this very portable and light laptop is now reduced to having to be kept at home all the time and plugged in, which is exactly the opposite of what she bought it for.

Anybody have any idea what the problem could be or suggest some tests that could be done to find out? She took it to a local computer shop but the guys there had no idea.

Thanks in advance for any adv... Read more

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Hi Guys,

I have replaced the battery of my laptop after using it on AC supply for about year after my old battery died.

I get this error message.
"The AC power adapter type cannot be determined
Battery may not charge.
This problem might be solved by:
Connect a Dell 65W AC adapter or higher."

But I am using a 65W Dell Adapter that I got with my laptop.
BTW, I tried the steps for disc AC >> Start>>Uninstall MS ACPI >> Insert battery>> Restart. This process did not yield any favorable results.

Please help!!!

A:Replaced battery on laptop, Battery not taking charge.

If you take the battery out and just use the adapter, will the laptop boot up without errors?

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Hi i have a XPS M140 dell laptop, and bought a new battery, wich came charged to 40%, the instructions said that i should discharge the battery to 2% and then chargeit to 100% for first time.

I used the laptop withouth cord until it was 3%, then i plugged it but the amer light that should appear it is not when i plug the laptop with the battery installed, then i check the energy administrator (i have xp and lubuntu, and it both was the same) and it said "charging" but it stayed in 3%, i let it more than 12 hours plugged but never charged the battery, it is still in 3% and the light of the battery doesnt turn on.

I dont know if the battery is bad, because it worked when had charge, or is maybe the laptop that is not charging.

Is there a war to check if this port is charging electricity to the battery? i have a multimeter and i know how to open this laptop. Any information would be helpful as i havent been able to found information on this.

and also is there a way to know with the multimeter if the battery is allowing energy to charge it?

i hope you have understood, im still klearning english, thanks for your time

A:Hi, i need help testing a battery or a port of battery of a laptop dell

Testing the DC jack on a laptop

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HP g6-1b60us Notebook PCHere is the situation and symptoms. Battery not charging. Battery icon indicates battery being charged, but it sits at 5%. Have bought a replacement HP battery and that battery will not charge also (it sits at 50%, which I assume is the initial charge it came with). Run the HP Support Assistant and both batteries fail the test saying that cell 4 is bad (cells 1 to 3 have charge, but cell 4 has a 0 reading, even in the new battery). (Is there a problem accessing/charging cell 4?)When the battery is installed and the AC adaptor is unplugged, and the laptop is turned off, the battery charge LED shows a white LED (red/amber indicates that it is charging the battery); now the only time the LED goes out is when the battery is physically removed. Before the problem began, the battery charge LED would be off when the battery was installed and the charger was not being used. Now the battery charge LED goes off only when the battery is physically removed.What I have tried:Cleaned the contacts.Bought a new HP battery.Tried the complete discharge method of turning the laptop off, removing the power cord and battery and holding the power on key for over 30 seconds.Have done safe restarts.Reset to HP recommended settings.Suggestions/recommendations?

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After a round of Windows updates, I went to turn on my laptop and recieved the "Primary internal battery (601)" error.  After this screen, however, Windows would not load.  I have tried taking the battery out and 'draining the charge',  and starting up the computer plugged directly to AC with no battery.  Windows still does not load.  The start-up test in the diagnostics menu said the battery needed calibration, however when I go to run the battery test, it gets to "waiting for battery to charge" and exits out of the test without giving me any results at all.  Currently when turning on the computer I no longer get the "primary internal battery" error, it just goes directly to a black screen with blinking cursor.  Any help is appreciated, I'm completely at a loss here!

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A SONY Vaio laptop is rarely used away from its docking port, but its battery is dead. Apart from he risk of fire can I continue to use it, even though it will only "run on the battery" for a couple of seconds? (I have no need to use it away from its mains adapters.)

A:laptop - running with a dead battery

I don't see any reason why you can't run it on mains power forever, although if the battery is known to be no good I would take it out.

I did this on my old Fujitsu Seimens laptop when the battery failed and it ran for ages without a problem, as long as it was plugged in

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I am running Windows 10 on a HP Pavilion. I went into Task Manager and the CPU and Disk Usage is less than 5%. Also when I go to the Power options, all it shows is Shut Down and Restart; Sleep is missing, which it seems to do when the fan runs like it does. I can't tell if the laptop is dusty or if something's downloading in the background that I can't find or if there's another issue.

A:Laptop Fan Running and Draining Battery

Which version of Windows 10 is it?

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I have a Dell D400 laptop, bought used about a year ago with two batteries - both of them Lithium Ion 9T119. I run the laptop on mains more than on battery. The batteries used to run for over two hours, but now they only last 30-45 minutes. Is there a way I can find out whether they have come to the end of their life and need replacing, or whether something is wrong with the laptop that is making them drain quickly? The fact that both lost started running low quickly at around the same time makes me wonder if it's the batteries or something else.

If the answer is that I need to replace them, are cheaper generic batteries (off eBay) good value, or should I stick with paying Dell's prices?


A:Laptop battery running out quickly

From the description, I'd suspect the batteries. It's not good to leave the batteries in if you run all the time on A/C power, the higher temperature will shorten the life of the battery.

I'd try one of the generic models and see how it works, cheaper than buying the Dell one.

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My Laptop is acting weird now..

Whenever laptop is on Power supply plugged in, it runs normally, but whenever I disconnect the power supply or when there is sudden power cut, it becomes damn slow .

Please note that my laptop battery is 70% worn

Below is the screenshot of system spec along with the CPU and HDD temp. (screenshot taken after 10 minutes when the laptop was turned on)

A:Laptop running slow on battery

Hello Bindoksala,

Your temperatures are pretty high. I would recommend to increase air flow and blow out the dust to help cool the temps some.

If your laptop gets to hot, your CPU's and motherboard's performance could get idled down by your BIOS to help prevent a meltdown, or the laptop could even get powered off.

Since your laptop is only doing this while on battery, you might check your advanced power plan settings to see what you have set while "On battery", and adjust as needed. Specifically, check your "Processor power management" settings for this.

Power Plan Settings - Change

Hope this helps,

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I have a Toshiba P25-S509 laptop that's a few years old but still runs pretty good. The problem that I having now is that it seems to only run on battery even if the AC adapter is plugged in. This is one of those 10lb giant laptops that was marketed as a desk top replacement. That was a joke and I fell for it.
I get about 50 minutes of run time and have to be religious about recharging. I purchased another adapter/charger and a new battery and the problem still exists. Strangely enough however, once in a while I'll see the charging light come on while it's running and i will think that my problem is solved but it doesn't last for long. If any one has any advice on how to fix this situation I would appreciate it. I may have to get a new laptop and I can assure you that it will not be a Toshiba. I would also appreciate any recommendations on a good reliable brand.

Thx in advance,


A:Laptop battery discharges when running on AC

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After my friend's laptop wouldn't run on battery power OR charge the battery I tried many "fixes."
Shockingly none worked that I found.
Only one thing worked for me to my surprise.
A last ditch effort was to open up the laptop (sony pcg-81114L) and disconnect the cmos battery for a few minutes to reset the CMOS.
To my surprise, when powered on, the battery instantly showed it was charging AND when removing the power plug the battery POWERS the laptop now! (and I'd thought I was wasting my time.)
Worked with an off brand battery also.
Many times this has saved many computers that have odd "unsolvable" things wrong with them.
Surely someone else has done this also but I haven't seen it posted anywhere to my knowledge.
Thank GOD for bringing the idea to remembrance!

A:sony vaio won't charge battery or run on battery power (CMOS BATTERY FIX!)

Hi askfault,
Do you have any information on how this fixes the battery problem? would be interested to know.

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if i running my laptop on battery, does it matter how many applications i run at the same time

ie one application more battery time

4 or more application less battery time

A:if more applications running, what will be effect on laptop battery

Generally speaking a computer does work and uses battery. The more work, the more battery it uses. If your CPU is set to performance it will use more battery, set to power saver less (both on laptops).

So yes more work, less battery life.

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About 4 months ago I performed a number of upgrades to my 4 year old Lenovo SL400 laptop.

I upgraded to a Seagate Momentus hybrid drive, upgraded my CPU, installed new RAM, purchased a new 9-cell battery and performed a clean intstall of Windows 7 Home Premium 64-bit (the computer came with Vista - Windows 7 was a retail upgrade).

I had several BSOD crashes which only happened when running on battery power. I was sure the battery was the culprit and RMA'd to the vendor for a replacement. I still have the issue with the replacement.

I notice a screen flicker a second or two before the crash. About half the time the computer recovers without crashing.

I've attached the dump files and system health report.

Any help would be greatly appreciated.


A:BSOD when running laptop off battery power

I saw the ThinkPad Display error in the 7-17 performance report so I uninstalled and reinstalled the driver for my display and I no longer have that error. I've attached an updated report.

Anyone have an idea what is causing my crashes? I'd love to be able to use this machine without being tethered to the plug.

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I've had this laptop for several weeks and each time I unplug the power cable to use it running off the battery, the wifi connection drops. The timing of when it drops is variable, but this happens consistently. I know from my other devices there is no issue with my Wifi service itself - my other devices remain connected at all times. The laptop will show as either no internet connections available at all (again, not true as my other devices confirm there are), or, my own Wifi is showing on the laptop, but as unavailable. This never happens when the laptop power cable is plugged in. I only ever unplug when there's sufficient power - usually from 100% battery. Please can someone advise?

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Thanks for reading this. i have never posted anything in my life but i am stumped and need some help!
I got a dell inspiron 2200 and one day i was running it while it was pluged in and i unpluged it and the laptop just "Bloop" shut off......i tried turning it back on but nothing. just as if i had no battery in it at all. when i pluged it back in it fired up like normal i checked the battery meter and it said 97% full then charged up to 100% full but still it wont run off the battery. as soon as i unplug it it shuts right off.

Someone told me to run the battery calibration but my bios doesnt have an option for it. at least i cant find it. i know it has it somewere because when i first bought this laptop the screen was broke and when i bought a new one for it and booted it up it said i had to run the battery calibration befor it could start "not sure why" but i did...watched it drain and charge. so i know it's in here somewere. do you think this would even help?

Also i think i updated the bios so it might have had an older bios witch might have had the battery calibration and the new one i put on doesnt. It has verison A07 now. i tried "downgrading" to A05 and A06 but it doesnt let me, Says i have a newer verison and cannot install an older verison.

Stinks. this problem kinda takes the "Mobil" feature out of a laptop. Any help would be Awesome!

A:Laptop battery issue ??battery calibration??

i'm afraid the battery calibration program is only used to initialize new Li-Ion batteries which need to be prepped with an initial charge-discharge cycle.

It sounds to me like you have a battery composed of 32 (probably AA sized) cells.
One of those cells has died and hence you see only 97% charge. Unfortunately losing a single cell prevents current from entering or leaving the battery so your battery will not discharge correctly therefore shutoff without discharge.

I think you need a new battery. Although it may be possible to replace the single bad cell, other cells may be degraded also - if one cell failed, why not others? unit could have been exposed to heat etc.

Although I was an engineer for Gould, I am not a battery expert!

good luck!

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Hi there! I've been having a problem with my charger for a while now but it wasn't serious until recently. A month or two ago, my charger went from working completely normally to suddenly not being recognised. This wasn't a big deal, however, because by holding the charger a certain way to the left (kind of twisted) or bringing it underneath the laptop, it would charge like normally. For the past few weeks, however, a notice has been popping up saying

"The AC power adaptor type can not be determined" and then that follows up with a message underneath that stating that I should use a dell charger (this is the original dell charger we got with the laptop)"

This message however didn't matter back then because, by twisting the charger a bit, it would charge and so the message was irrelevant and would only pop up when the charger was plugged in and not twisted (as far as I can remember)

Over the past couple of days, though, i've noticed for my battery sign to sometimes randomly change to an X and, when you hover over it, it says "no battery detected." It will then randomly, a second or two or a few minutes later switch to "plugged in, not charging" and then to "plugged in, charging"; fluctuating randomly and for different intervals of time between these signs. This as well wasn't much of a problem as my laptop was still charging at times and therefore I knew it wouldn't run out.

Now, however, the... Read more

A:battery plugged in/not charging and then "no battery is detected"

What is the exact model of Dell laptop you have? Look underneath on the label for Model information
For Dells of that time period, you must use a genuine Dell replacement AC adapter or you will get the reduced performance at startup message.... the Dell adapters so I have read, have a chip inside that informs the BIOS of the laptop that they are indeed, genuine Dell adapters.

Read about this issue here- and especially about the little test you can do before your power is all gone- you should do it just once, and I think you will get the "Unknown" message....


Note that there is more than just one thing that can be wrong- the motherboard, the adapter chip, the power jack.... Please do NOT attempt the adapter repair at that site.... The power jacks can be replaced by a good repair shop that does soldering on motherboards.

test yours and if you do need a Dell AC adapter they can still be found but it does take some hunting since a LOT of helpful sales sites claim "Genuine Dell Replacements" but I have tried some of those and they did not work but when a real Dell AC adapter was connected, that BIOS message disappeared.

look on the label of the LAPTOP and see what AC Adapter watt rating ....ex: 65watt or 90w..... yours calls for and purchase the correct model.

I can help you find a genuine Dell if needed but test things first. Hope you can do this before the ba... Read more

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Hi, my laptop will charge ok when shut down but when running after a time, the battery light and the power light will start blinking orange and the battery wont charge and will run out with the adaptor connected. I have tried removing the battery and holding the power button then refitting. If the light is blinking, after the laptop shuts down/hibernates, I have to remove the power lead and then reconnect for it to charge correctly. Also when I run on ac power only with the battery removed, the laptop will after a while suddenly shut down. Any ideas how to correct these issues would be grately appreciated. Thanks in advance.Al

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I was playing League of Legends one day, when my fps started to drop.
Over time, it got worse and worse, and I noticed my battery was low. Turned out, the charger fell out while I was moving my computer. So I plugged the charger in, fixed some problems with "plugged in, not charging", and continued to play. Battery was at 40%, and my fps in game still hovered about 2-20(I consider this bad, normally running at 144 fps), and decided to reboot my computer. After rebooting, I tested out my fps again, and it was at 2-12 fps this time. I finally decided to check my cpu usage, and it was hovering around 100% the whole time. I did a CCleaner registry clean, a MalwareBytes scan and clean, a CCleaner space clear, and the problem is still not fixed. Normally I am able to run League as well as many other programs at the same time without lag,I don't know why my computer suddenly started acting so slow, maybe it was because of the battery being low. Still, last time my battery was low my computer was just as fast, so I have no clue what happened. Also, its not just League that lags, Youtube and Twitch have spikes very frequently aswell. My computer also is slow, my browser freezes alot too.
You can find my specs in the images below (I have windows 7, I just decided to use an XP look to make my computer run a little faster)

A:Laptop suddenly starts running slow after low battery

Open processes and sort by CPU to see what's causing the spikes.
- Running the laptop without battery while AC power attached.
- Safe Mode - see if spikes happen
- if Safe Mode is ok, try a clean startup Troubleshoot Application Conflicts by Performing a Clean Startup
- Select high performance power option
- Load BIOS optimized defaults

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Not sure if I'm in the right forum? I bought a new 12 cell battery for a Compaq Presario CQ56. It has done well for several months. Not sure if related but after installing a couple of new programs (Freemake and a picture editing software), my battery now doesn't last as long (dropped about 40-50%), seems to run hotter(needs to have the internal fan on most of the time) and more interestingly runs down from a full charge over 12-24 hours with the laptop turned off (I select shut down as opposed to sleep or hibernate) I have uninstalled those programs but problem persists. Battery does not run down when separated from the laptop for the same time period. Not sure if battery or laptop or something else.

Advice would be great thanks.

A:Laptop battery running down while turned off and not lasting as long

Coincidence. Most likely cause is a faulty battery.

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I just installed W7 on my Dell Latitude D610. I have drive issues for my monitor, W7 does not recognize it and installs a generic Dell Cipset. The laptop worked great with XP and had no issues of being unplugged and losing colors. Has anyone run into this issue.

A:Laptop Screen Loses Color when running on Battery

AjBurke, Unfortunately, it doesn't appear as though this notebook was supported by Dell through Windows Vista, which lessens your chances of finding Windows 7-compatible drivers. I'd recommend installing the newest available drivers from Dell in compatibility mode for Windows XP. To do this, right click on the program .exe and open the Properties menu, then navigate to the compatibility tab and select "Run this program in compatibility mode for..."-Alex

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Just wondering because i am using my Laptop without battery>

A:Does a Laptop Running without Battery increase chances of getting BSOD

No not at all.


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