Dell Inspiron 17R SE 7720 :: Battery Simply Never Seems To Charge To 100%
Mar 6, 2013
I love my new Inspiron 17R SE 7720. But I do seem to have some battery issues...
The battery simply never seems to charge to 100%. It charges to just 55-60% or so and never seems to get any higher. I've tried all the various power settings, including the various Dell special setting. Nothing seems to work.
It will be tomorrow before I can run the diagnostics I found in the support pages. But I'd like to make sure I'm not just missing something. Should it be charging when it's powered down but plugged in? I would think so, but still goes no higher than ~57%.
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Apr 2, 2013
I bought this laptop 1 week ago. When I was in battery mode the laptop was dying at 60%.
Returned it to the store and got a new one.
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Jan 2, 2009
My initial thoughts were that I had a battery issue the Ion battery. So I went to dell and purchased a new battery 2 weeks ago. Plugged that guy in and my theory was a bust.
Next, I turned to the ac adapter and decided it must be the problem. Back to dell to drop some more $$$ - just arrived and...well, let's just say I wouldn't be writing to this post if that solved my problem. I have surfed through various other posting will no avail.
The laptop can run fine on just the ac power - just no juice is getting to the battery to recharge it. I went into the BIOS set-up and it stated that it did not recognize the ac adapter -
can't figure why that may be the case, but none of the less I've got nothing but Dell products here - no knock-offs. Any suggestions or theories? I just can't believe I could have a bad motherboard here - the laptop works great otherwise.
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Mar 4, 2013
I replaced the battery on my laptop when the battery symbol changed to a x next to it. From what I understand it means the battery needs replacing. I had to get a generic battery which was for a 1525.
It charged for awhile, then stopped. When I turn on the laptop I get a message "The ac Adapter and type cannot be determined. The battery may not charge. And so on.
The AC Adapter I use is a Tarus 95watt, which I used before on the original battery.
Should I replace the battery or is there another possible problem, Is there a diagnostic test for the battery system?
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Jan 20, 2015
I have an old Inspiron 1750. I bought a new Dell battery and I am getting the message plugged in, not charging. I have the original DELL charger. This was not a problem with the old (not DELL) battery, which still charged but only held the charge for 10 minutes.
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Dec 7, 2014
I just bought a brand new battery for this laptop, it came with 53% battery life and because it has been plugged in it hasn't dropped a percentage but will not charge. it says in the battery info that it's plugged in but not charging.
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Aug 9, 2009
I have 3 years old dell inspiron 1300, everything worked just fine till today morning, i can't turn my computer on without the plugging in the charger, my battery is always at 0.0% (charging),
the battery was working just fine couple days ago giving me over 1:30 hours on battery power but takes more time to charge as when it was new,
and yeah, the bat. charging LED is always on (solid Green).
Bios setup shows the battery performs normally and this what i get from the Device information (Ubuntu) :
Product: DELL WD4166
Status: Charging
Percentage charge: 0.0%
Vendor: SM .....
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Jan 3, 2009
This 1200 was working several weeks ago, now it will not turn on even with AC adapter plugged in. Battery will not charge.
No green LED lit on laptop front. Unit will not boot with AC adapter attached and battery removed.
Checked AC adapter with multimeter and it appears working OK, get 19.5 volts dc output.
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Apr 23, 2009
I have had this laptop for 2 years and after the first year I had to replace both battery and adapter.
The first generic adapter I got was fine until the cable split (my fault as I was wrapping the cord around the brick).
I got the second generic from the same place I got the first.
I bought the new one last month and since then I have sporadically received a message that the adapter wasn't OEM and that it wouldn't charge the battery.
It would get back to charging after a reboot or stand by.
Now I have tried everything but it won't get back to charging the battery.
I did a search here and found others with the same problem (different dell laptops) solving the issue by flashing the bios.
Can anybody point me to the correct file I should download for my laptop as well as explain what should be done to flash the bios
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Oct 20, 2014
I have russian system (Windows 7 SP1 with all updates on Inspiron N5050) and corresponding Dell software (on russian), but I'll try to describe options, like they be on english. You should to determine appropriate, corresponding to english analogues.
In the battery settings there is one checkbox, like "disable battery charge", with description, pointing to battery charge disabling until next Windows boot. So, if I check that checkbox, then...
Which EXACTLY system event(s) or situation(s) (the most comprehensive list) triggers the charger back to charge the battery, because "next Windows boot" is too unclear. For example, what about hibernate mode? Precisely, returning from it is not the Windows boot! In which moment of boot that trigger changes? Which system event(s) (application and/or hardware) generates initial command for it, what chain of devices and software calls involved (and can or can't be involved in different situations), how much time approximately consumes each chain link, and mention all affecting hardware settings and Windows settings.
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Apr 2, 2013
I have a dell inspiron m5030, which is out of warranty, and unfortunately it wont charge the battery, or boot from the ac adapter and since the battery is dead I can no longer turn on the laptop. I already sent this laptop back to dell 2 prior times when my warrenty was still active due to the 7 beeps and I think that the mother board is going bad for the 3rd time.
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Nov 11, 2014
Inspiron 15 (7537) new laptop, it says startup"Warning: Battery Not Recommended for This System, the system will be unable to charge this battery.
strike F1 key to continue, F2 to run setup the utility.
This is recurring each time when i switch on my laptop, when i press F1 it is logged in and battery is charging fine, also hardware test passed.
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Oct 5, 2010
Inspiron 1525 - Battery will not charge with plug connected. Upgraded to current version Bios with no change in error.. Upgraded from 65W to 90W adaptor with no change in error. Swapped known good battery that had 55% power left and it would not re-charge. Put "suspect" battery that had 0% charged into another machine and it is now charging. My laptop will work on cord power and will work on battery as long as I charge it elsewhere. I suspect that something is wrong with the laptop power interface and it is not allowing the power to transfer to the battery charging function. Is this a software issue (I thought the BIOS upgrade might fix this) or a hardware failure. If it is a hardware failure, can I fix it?
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Feb 25, 2013
I was using my laptop today, and the battery light just randomly started blinking red, even though the battery still had 33% left. So I plugged it in, and the light still kept flashing and when I held my mouse over the battery icon, it said that it was plugged in but not charging. Does this mean that the battery is toast?
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Sep 5, 2012
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'm using a PA-12 family adapter, which is also a replaced one.
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Feb 17, 2013
My laptop(Inspiron N 4050) works fine last night and since the battery went down, i turn off without any problem and when i plug the charger the adapter light went off. and it 's not getting charge.
I got the same problem earlier also and i fixed it with my international warranty. but from that date only 4 months have gone and i got it again. but last time i got an error message. but this time i did not get anything just got off normally.
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Mar 22, 2013
I recently run into a problem, when I wanted to install my ANNO 1404 game, I inserted the disc into my laptop, but it shows no data, it simply looks to be empty. So I tried it in my desktop PC and there there is everything OK, disc is full, game can be installed. I left it be and after few days I wanted to see a movie, but after inserting the movie DVD into my laptop, I received this error in WMP: "Windows Media Player cannot play this DVD because there is a problem with digital copy protection between your DVD drive, decoder, and video card. In some cases, you can resolve the problem by updating the device driver for your video card." So I'm starting to think my DVD driver is somehow "wrongly set" or something like that. What can I do about it?
My OS is W7 Professional (on desktop too, so OS is not the issue), my laptop is Inspiron 15R SE 7520. Both DVDs (game and movie) are original, no stealing here.
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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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Nov 22, 2014
I have installed Windows 7 Ultimate SP1 on my laptop after upgrading fom A08 to A09. At first my batter did not charge at all , so i got it replaced with a 9 Cell one. But it would only vharge till 69%.
I tried all the way on internet uninstalling drivers, removing battery, draining it out etc. Still no chnage. Lately it is now charging only till 33% .
Now i Plan to go back to Vista Home premuim just to see if the battery charges fine. My question is do i also downgrade the BIOS or should i check first if it works fine in A09 and then install A08.
And is it safe to install A08 over A09 BIOS ?
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Jan 17, 2015
I have a Dell Inspiron 15 3521 which, until recently, was working fine.
This morning I, after a rebooted, I got an error message informing me that the battery would not charge and to press f1 to continue or f2 to enter setup. I continued and booted into Windows fine but noticed it wasn't charging, I rebooted to see if the error message would go away. It didn't.
I booted into the BIOS, loaded the "optimized defaults" and rebooted only to be greeted by the same error message.
There were quite a few posts with similar issues, so I tried a couple of the solutions to see if any of them would work(updating the BIOS to A12, rebooting with the battery removed and then replacing it, deleting the two driver under batteries in device manager, etc.), but none of them resulted in the battery charging though the error message went away.
After playing around with it for a while, I noticed the following behavior.
1. Initially, in the BIOS, it said something like "Your battery is temporarily disabled, please turn off your computer and try again when the unit is back to operational temperature" . After removal/reboot/re-adding, it reports it as healthy.
2. The AC adapter is reported as unknown when the battery is plugged in. If I remove the battery, it is reported as 65W. Adding the battery results in it reporting as "unknown" again.
3. If I am in Windows with the battery plugged in and not charging(as reported by windows) and I remove the AC adapter from the socket in the wall and plug it in again, the green light on the power brick glows for 5 or so seconds and the icon in the system tray shows charging. Unfortunately, it then turns off a few seconds later and the icon shows it running only on battery power.
I've seen quite a few of these posts, so I'm not expecting a definitive answer. As of right now, I'm running with just the AC adapter plugged in and the battery removed. It works "fine" this way.
NOTE: This seemed to coincide with a run of windows update. Prior to that, it was working correctly running on a fresh install of Windows 8.1 . Either that, or it was just a coincidence.
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Jan 23, 2015
My dell inspiron 1525 wont charge and it only comes on when connected to the charge, the battery says charging normally, then on the home screen it says connected not charging. On the outside the battery flashes back and forth going from blue to Orange.
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Oct 6, 2014
My battery has not held more than about a 45-second charge since 2009; however, the AC adaptor seems to work fine, and the Power Management icon always tells me that I have a full (i.e., about 45-second) charge and that the AC adaptor is plugged in. Today, just after I disabled the Acer Tour Reminder, CyberLink PlayMovie, and Microsoft Office OneNote (because I never use them and I wanted a faster startup), I moved some program icons that I didn't need or that were already on my Quick Launch tool bar into the Recycle Bin. Suddenly, the notebook make sort of an electronic squeaking sound and immediately shut down--black screen; no lights.
I unplugged it, checked to ensure the battery was properly seated, felt to make sure it did not feel hot anywhere, plugged it in, saw that the lights were showing on the adaptor and on the front left edge of the notebook, turned it on, and selected normal start; it started up again. It ran for at least three minutes (which, because of the battery, it would not unless the AC adaptor was functioning) and then, after I moved a few more icons to the Recycle Bin, it suddenly shut down again in the same manner.
I started it again and it has now been running long enough for me to look up my Acer Forum registration information and update it after resetting my password. I am writing this on another notebook. The Acer is still running, but I want to ensure it doesn't shut down on me when I am in the middle of a project.
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Mar 29, 2010
after some heavy usage, my Acer Aspire 7720 laptop started to accept only ~92% of battery charge and never gets out of that.
Also, the battery LED flashes inconsistently (e.g. will stay on for a few minutes, then will blink wildly). I
I use Arch Linux as my main OS, but it seems to be platform-independent (even when it's turned off it happens). The BIOS is the latest 1.45.
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Mar 10, 2010
I have a Dell Inspiron 1525. The 6-cell battery that came with it stopped holding its charge, so I bought a new 9-cell battery. Now that one won't hold a charge. I figured it must be the cord, so I bought a new one. It still won't hold a charge. When I run my mouse over the battery icon, it says XX% (currently 37%) available (plugged in, not charging). I know just enough about computers to be dangerous, but not enough to figure out what is wrong. Can anyone help me trouble shoot?
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Apr 10, 2009
i just got my 1545 and i heard there's couple ways to charge the battery to keep it last longer, its 6 cell battery.
should i charge it everytime when i use it? or
should i wait til battery gets low than charge?
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Dec 16, 2009
I have a Dell Vostro 1000. The battery doesn't charge.
Allready replaced charger, battery pack and power jack
After the battery is discharged, notebook is dead
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Nov 4, 2009
This seems to happen fairly often. Yesterday I had my computer on standby and plugged into the mains for several hours in the afternoon. I turned it on, shut it down (without looking at the battery status) and went somewhere and when I turned it back on the charge was at 6%.
Today I was using the laptop and the charge was at 70%, I shut the computer down and put it in my bag. Turned it on again in a couple of hours and the battery again is at 6%.
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Jun 19, 2009
Do I have to charge the battery for 12 hours like before when I first get my laptop?
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Aug 15, 2009
I have a problem with my XPS M170 as my battery won't keep a charge. I thought it was a problem with my battery, so I bought a new battery for my laptop and that battery wont keep a charge either.
I can only be on my laptop when I have the power brick plugged into my laptop.
I wonder if it could be the connection where the power plugs into my computer as that connection seems to be slightly loose
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Apr 26, 2008
I have a very perplexing problem.
First the laptop is a Dell D600
The laptop about one month ago had the power jack smashed (cable was stepped on) someone plugged the cable back in, in doing so the main power pin (surrounding the center pin) was bent over so it now made contact with the (data) pin that tels the laptop what power supply is connected and if it is a genuine Dell.
This in turn shorted out the circuitry in the laptop that can read this 'data' line.
So no matter what power supply I use the laptop will always state that the wrong adapter is connected and will not charge. (strange also is the PCMCIA slot has no power. Everything thing else works.
What I have tried,
Tried my battery in another D600 (charged and ran no problem (my laptop would run from the battery but still no PCMCIA power.
Tried my charger on another D600 worked fine so the data pin is fine on it. Tried another charger on my laptop same problem.
I already fixed the power port.
Last I tried the laptop in a Docking station and same problem (wrong adapter type) This is fed through the bottom of the laptop not the power jack.
So this tells me the problem lies in the logic circuit on the main board.
So...
Is there a simply surface mount fuse that may have blown?
or am I looking at a bad IC.
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