Dell XPS 14 L421x :: Battery Isn't Recognized?
May 14, 2013
My laptop is plugged in and not charging. I have run a bios and it says that the battery is a non dell battery (even though i have not tampered with the computer at all). I have only had the computer for 5 months. If the battery failed after 2 years yeah that might be acceptable but only 5 months?!?!?! I now cannot use it without plugging it in.
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Nov 19, 2014
We are having a serious problem with the battery that we replaced for one of the Dell laptops. The Laptop model is Dell Latitude `E5530. We were getting a message that the Battery has to be replaced and we bought this battery from one of the third party vendors.
It ran for 2 weeks and now it comes up with some weird messages. The laptop isn't detecting the battery at all. We had sent the battery back to the vendor but he says the battery works fine at their end.
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Jan 28, 2015
All of the sudden the battery stopped charging and the official dell AC Adapter, that shipped with the laptop, is listed as Unknown in the BIOS. I understand this happens because somewhere on the way the info from the pin that (for no good reason) identifies the AC adapter does not reach the charging circuit. This is supposed to be a safety mechanism (that no other manufacturer uses) that is obviously just an attack on off-brand chargers .The laptop is working fine (except for charging) as long as the AC adapter is connected.
What I did so far:
notice I'm out of warranty
try different power outlets
try different AC adapter
Check battery health (it's fine)
replace Power Jack
Voodoo
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Jul 2, 2009
I've run into this issue twice already... once on 1 computer and another on this same one. It's the one where the battery is not recognized and there is an "X" where the battery icon is.
I've done all the Software Updates, Batter Update 1.3, and tried resetting the PRAM. So far none of these have worked. Now I'm out of ideas. Before after going thru those steps, the problem would be fixed... not so this time.
I know they extended the warranty and were replacing the batteries for free, but not sure this one would be covered under that.
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Dec 5, 2012
Have recently purchased a new 14z. When I turn on the ultrabook, with no power cable plugged in - I get a message telling
me that the Battery is not recognized, and that I should press F1 to continue or F2 to go to the Setup screen. Pressing F1 boots
the ultrabook as normal. It seems a strange message to get. Ultrabook was purchased direct from Dell about 4 weeks ago, and
BIOS is A06 (latest).
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Jul 15, 2008
Alright I am a long time user of Dell products, and have in the past had problems with them, but they have been easily fixable by either replacement parts or a quick look at a FAQ or messageboard for Info. My INSPIRON 1501 is not recognizing my battery. The battery is fine (checked it in my brothers computer), and I have checked other people's posts with the same problem and tried the fixes but nothing worked. I have tried to do the BIOS update (A16) that worked probperly but did not fix the problem.
While watching a movie I got a message telling me that my battery is not recognized. The battery is stuck at a 97% charge (or so the computer says) and the battery light is not light up (it flashes on sporadically but not consistant at all). The BIOS did fix the message at startup saying the battery isn't recognized but still if I remove the AC power cord or unplug the computer it powers right down and will not start-up unless plugged in.
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May 26, 2008
I reinstalled my D620 from scratch (ie. formatted the disk) and reinstalled from the Dell supplied XP Pro media CD. I downloaded and installed all the relevant drivers. I have Intel wireless working, the nVidia card working at 1440x900 etc ... However, I can't seem to get the power/battery management to work. The D620 shows its battery light as green when the AC power is plugged in and the physical battery button lights up all the LEDs when pressed when the battery is partially/fully charged but neither the BIOS nor XP Pro recognize the battery.
Similarly, when the AC power is disconnected the battery works fine by itself for x hours but the power cord icon remains in the the taskbar and the battery light on the laptop glows orange as soon as the power is cord is disconnected. The LEDs on the battery itself however light up when the button is pressed on the physical battery. On reboot the BIOS also does not recognize there is a battery present and not does XP Pro.
In other words, everything works as expected of a laptop - except when totally wireless, how much juice/time I have left in the battery - this is fundamental to any portable device.
A few hours prior to the reinstall both XP Pro and the BIOS recognized the battery no problem and worked accurately and without fault - so I refuse to believe this is a bad battery. Somewhere there must be a driver to enable the BIOS and XP to recognize the battery ?
The battery works and both XP Pro and the BIOS were well aware of its existence prior to the reinstall a couple of hours earlier. All I did was to format the hard drive and initiate a totally fresh install of XP Pro - and installed the drivers downloaded from Dell based on the Service tag of the D620.
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Feb 21, 2013
When I boot up my PC it comes to a screen expressing that the battery is critically low and the AC Adapter cannot charge properly, press F1 twice to continue.
The computer continues to boot up fine, but is running strictly off AC power. It boots up the same with or without the battery locked in. I even bought a used, but guaranteed functional battery and it had the same result.
After researching a lot online I saw a common solution is to update the Bios. Currently my system has Bios A01, and I have tried updating to A07, A11, and even A00 without luck. When running the executable in Windows 7, just before it flashes the system with a new bios I get fail message saying operation cannot complete because AC Adapter and battery must be present and functional.
So I found a guide online to create an MS-DOS startup boot drive, along with the Bios .exe's which can be run from MS-DOS. The system booted up into MS-DOS mode fine, but I received an error running the .exe, "Cannot run in DOS mode". I also tried to run the .exe with the /forceit command afterwards with no luck.
So at this point I don't know if my laptop simply needs a BIOS update, or if I have a faulty motherboard or battery sensor.
Ideally I'd like a solution to upgrade the bios without a battery that works and can resolve my problem. But if we can't find a solution, I need to know what needs to be fixed so I can repair my laptop through Dell's Out of Warranty Repair service.
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Oct 22, 2012
My studio 1737 laptop always says its plugged in and not charging. I had the original battery in and on boot up the bios says that the battery is not recognized if I unplug the laptop with that battery in it automatically dies. I also purchased another battery online I get the same error on boot but this battery actually has a charge straight out of the box so the laptop will run if I unplug it. However, the battery will not charge. I also bought a new official dell charger since the after market one gives me an error on boot up. I have also replaced the CMOS battery because I was getting an error on that too and the clock kept resetting.
I currently have the new battery, new official dell charger, and a new CMOS battery installed and the battery still does not charge. What could be causing this?
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Mar 28, 2013
My Vostro 3400 running Windows 7 downloaded a number of Microsoft updates this morning and afterwards would not recognise the battery.
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Mar 25, 2013
My wife has an Inspiron Mini 10 which I damaged seeing if I could upgrade the RAM. So I bought another mobo and fitted it in, plugged it in and turned it on. After so long we were told that the battery was running low and wouldn't charge. After it shut down we got the OLOD and have tried using a USB drive to flash the BIOS using HP USB key utility but there wasn't enough power left in the battery to do anything.
Next I bought a new battery which has about 37% on it but we're still getting the OLOD after booting up and down a few times.
From what I can gather from searching the web, I need to flash the BIOS but I can't find a way of doing this as the BIOS files from Dell are .exe and isn't recognised when I boot from the USB stick as it's looking for a .bin file.
It has occurred to us that maybe the drivers (we have Win7 32bit installed) aren't there.
What we should do with the remaining battery power? We don't have enough to experiment.
1/ install drivers?... if so how do we do this without a floppy drive or disc drive?
2/Would a fresh install of Windows fix this problem?
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Feb 15, 2013
I have a new xps l421x, . Can I add a wwan card with gps to this internally, if so what do I need to purchase...
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Feb 18, 2013
I've just opend my new XPS-L421X today. And I dont think there is a SSD Drive on it (there should be 32 gb ish). I can hear the harddrive running all the time. And it dosen't start up really quick/smooth.I can't find any SSD drive In device manager, it dosent show up under the Disk Drives category. Another thing. The harddrive should be 500 gb. I know you never get the hole 500 gb, but mine has only 415 gb out of the box (whit installed Windows). Is that normal?
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Apr 16, 2013
I got the l421x 8gig ram laptop and had to install win 7 32bit on it because of work related software. What annoys me is that according to windows I only have 2.4gig ram total. The resource monitor tells me that a whopping 5.7 gig is hardware reserved memory.
Now when I boot I have about 800mb available memory and maybe 100 free.how I reduce reserved memory that the intel graphics use? Other laptops have bios settings for this(e.g my private asus ux32vd) but not this xps. I am fully aware that 8gigs will not be available on a 32bit os - that is not the issue. I'd assume this laptop should have about 3-3.5gig ram total after a fresh boot. But why only 2.4gig ?
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May 1, 2013
I recently received my new XPS 14 (L421x) ultrabook. Out of the box, this machine has a 500Gb C: drive labeled "OS" and a second 110Gb SSD D: drive labeled "Data". Windows 8 is installed on the C: drive. There is absolutely nothing on the D: drive.
Does this sound right? I would have thought that you would want to have the OS on the SSD and boot from that (much faster?) drive.
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Mar 30, 2013
This is the second time I have had this issue. I have already had the motherboard and power supply/cable replaced and it worked for awhile. Here is the issue.
- Occasionally after powering down, the next time I try to power up, the laptop does nothing but show the power light on. No Dell screen, no back lights on the keyboard, nothing else. I press and hold the power button down and after 5 seconds it shuts the light off. I would then try it again with the same result. I let the battery completely drain; plug the power cord back in and after about 5 minutes of charging, try it again. This seemed to work until one day it did not. Then I had the motherboard and power supply replaced and all seemed well. Now, 6-8 weeks later I have the same problem again. A new L421X purchased in December 2012 with 512GB SSD running Windows 8 64 bit. I use this for business and am about to throw it out the window.
Currently, I have tried the power up, drain power trick with no results. It is dead with all my business info on the drive. I am about to dump Dell and switch to HP.
Anything I can do short of a whole new machine?
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Feb 28, 2013
After updating the touchpad drivers to 16.3.7.0 A03, there has been an issue with two-finger scrolling.
When I lift my fingers off the touchpad, it jumps to the bottom of the page. This is very frustrating as I have to scroll back up to find my place. This happens with Chrome, Word, IE, Firefox, everything.
The same issue is also plaguing this user: [URL] .....
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Jun 17, 2009
i can get so windows xp will recognize the 128gb ssd hard drive on a fresh install.........
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Jan 8, 2009
ok so i hv this problem with my dell xps m1330 that it wont charge the battery. and when i turn the laptop on, it gives me message that tht AC adapter can not be recognized, and that the battery may not charge.
i tried reinstalling windows but it still didnt help :S. so i called Dell technical support and talked to this guy for 40 mins, he told me a bunch of stuff , like reseting stuff in BIOS etc. but it didnt work. so at the end he just said to send the laptop for repair.
Even though i still have the manufacturing warranty, but i CANT send my laptop in for repair, bc i really NEED it for my university. And also he wont agree to send me a replacement laptop or anything.
so i really dont know what to do. i know there are alot of experts here, who are way better than dell technical support team. so does any one has an easy way out for this problem
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Jan 21, 2009
just did a fresh installation of Windows XP and all the drivers, but under the device manager, the ICH8 USB controller is not recognized, so I can't use any USB device attached to the computer.
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Mar 21, 2008
I just recieved a PA-13.. My comp gives me an odd dos screen saying it dosent recognize the power adapter... Is there something i have to do to make it recognize..? or should it be automatically recognized..?
I have a 9400 and i was planning on putting a fx-2500 vid card in tonight... Whats wrong here..?
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Jan 17, 2015
Recently ran into an issue with the AC adapter not being recognized despite being the original cord and no longer charging the battery. No issues with light on cord flickering or turning off. Purchased a new power cord anyways but problem persists. BIOS shows unknown type for Ac adapter even after BIOS update. Diagnostics scan doesn't detect any problems. URL....
why this occurs and if there is a workaround or repair to re-enable the charging? It appears the laptop is just disabling the charging circuit despite being provided the correct power.
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Jan 24, 2009
I have a new Studio 15 with firewire port. I just purchased a new camcorder to transfer DV tapes to DVD.
I got the camera specifically because it was supported by vista. But the laptop doesnt recognize the camera. Ive done a good bit of research and it seems to be a vista problem.
Ive tried all the solutions i could find on the net. Even modifying the registry per the instruction from microsoft support .....
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Jul 20, 2009
I have a DELL XPS 1530 Laptop, a few days back my 90W AC adapter stopped working and beeped continuously and the green light also didnt turn on. I gave the adaptor to a local electronic shop to get it repaired .
After getting it repaired I plugged it to the laptop and it charged normally upto 48% and after that the battery did not charge. Then on reboot a message is being display that "
The Adapter wattage is not recognised please connect a 65W DELL adaptor"
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Sep 29, 2009
I have this "problem" (is not actually a problem but I would like to know what the problem is) I have a usb wireless adapter since my laptop didn't come with a wireless card built in.
Its working fine but there is something that bothers me, I have 3 usb ports and one of them doesn't recognize my usb wireless adapter!
I don't have problems with the other two, I just plug it in and the system connects to the internet. Its just one usb port that does not recognize it.
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Nov 30, 2008
After installing XP media center on my inspiron 1520 i am unable to get it to recognize usb devices. I looked in the device manger at the drivers and it is missing some for the usb. I am not sure which one to download. I tried installing some and they did not work. I went to dell's site and did not find anything.
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Oct 17, 2009
That is the problem, I have 2 GB in my computer but when I go to My computer then properties it shows me only 1.99GB, is it bad, good, normal?
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Sep 6, 2007
I put a brand new seagate 160GB SATA hard drive in my E1705. Before doing anything, the F2 bios screen displayed 160GB, but after installing windows vista ultimate, it is shown as 78GB in disk management, F2 bios screen, and everywhere else. This is a 7200rpm drive. Is there any hardware limit I wasn't aware of? What should I do regain the other 82GB?
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Nov 16, 2014
I have three usb ports, and none of them seem to be working. Although the devices work on my roommate's laptop, they are not recognized on mine. When I plug my flashdrive into hers, it lights up, but that doesn't happen on mine. I recently reset my computer to factory settings to try and fix other issues including the problem with the usb ports, but the usb devices are still not recognized.
I recently sent in my laptop due to problems of it not being able to turn on, and my battery and a/c adapter were replaced. I was quite happy. However, I do not want to send it back in even though it is under warranty. Since I am a college student, I really need my laptop. If nothing works, I'll send it back in over winter break so I'm not without a laptop during my studies.
My touchscreen is also not working, so how to fix that, here is my other post: [URL] ...
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Feb 27, 2013
recently I bought MS Industrial wifi mice. When I plug adapter to usb port on my Inspiron 5520 it says "Device not recognized" . Then I put it to another port ( I have 4) it says the same message. I plugged it to first port again, and it works.
When I put laptop to sleep or when I shut it down and when I wake/turn it on my mice doesn't work . I plug adapter out, and plug in again, the same message .... "device not recognized"
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