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Alienware battery not charging

Last response: in Laptops & Notebooks
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May 20, 2011 2:45:17 PM

I've looked all over for solutions to this problem and can't find any that work for me. I have a Dell Alienware M15X with a 9cell battery that won't charge. Specifically the battery is dead and the system says "battery not detected", although it used to just say "battery plugged in, not charging." Now I've tried EVERYTHING I can find short of buying a new battery. Here's what I've done so far -

Turn off and unplug the system and batteries, hold the power button down.
Take the battery out, turn off, turn back on, log in and put the battery back in.
Toggle the FN and F2 key to turn the battery on.
Uninstalled the battery drivers and reinstalled.
Various other combinations of these, I've been frustrated...

None of these has worked. The charger works fine so I can still use the laptop and I know its technically called a desktop replacement but this is ridiculous.
a b D Laptop
May 20, 2011 9:27:32 PM

how old is the battery. Those things do have an expiration date, mind you. So, if it anywhere above 3 years old, face it, it just died, you will need to purchase a new one.
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May 21, 2011 6:06:07 AM

The battery is less than six months old.
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a b D Laptop
May 21, 2011 9:08:04 PM

you need to check the leads from the battery to motherboard, both sides (battery and motherboard). one might have gotten damaged and now the battery isn't recognized
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Best solution

May 22, 2011 7:49:16 AM

Probably a new battery is needed. If you left your battery out for a while, and used your laptop as a desktop, I think it might of died out. That is what happened to mine. I never unplugged my laptop for 2 months, and when I finally decided to take it out again, the battery did not charge. New battery is probably needed.
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May 22, 2011 6:13:54 PM

Sorry I'm not very familiar with batteries and connectors and such. As far as I can tell the motherboard and battery look the same as when I bought them. In fact dell replaced the motherboard a couple months ago. As for the battery dying out I shouldn't of, I used my system for school mostly so I dragged it along with me every other day.
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May 23, 2011 12:34:26 PM

Get a multimeter and select DC volts and test the voltage across the battery - charged up it is around 11.1 volts ... it is is much lower (and I imagine it is) then your battery is shot.

Note since the charger is still supplying power to the laptop it is unlikely to be the issue.

Test it and post back your answer ...

:) 
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June 3, 2011 3:59:33 AM

So Alienware finally let my warranty go through and sent me a new battery. The new one works fine so I was curious what the problem was. I called their services and inquired about the issue. Apparently one of the nine cells in my battery went dead, so there you have it, one faulty cell took down my battery and made it useless.
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June 5, 2011 5:08:07 PM

Best answer selected by ragenalien.
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January 7, 2014 11:03:55 AM

Same happening to me my laptop is 13ish days old (got it for christmas) I am only 11 but worked with my dad as a computer engineer my whole life and im fudged for ideas help pleaaase ? it cant need a new one can it ?
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March 5, 2014 10:13:24 PM

My Alienware 18 also have same problem...I have new battery.. what should I do to install the new battry?should I charged the battry first or just plugin the battery and switch on the laptop?
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June 13, 2014 1:06:09 PM

ragenalien said:
The battery is less than six months old.


My son is experiencing the same problem. He was told by Alienware that it is likely an update that disabled the charging system.
They can undue the software but only on an update that requires at least a 10% charge of the battery. So they are saying the battery will have to be replaced to have at least the 10% CHARGE. Even with this they say there is a 50/50 chance that this won't fix it and could cause permanent damage to the motherboard. WHAT A GREAT SOLUTION.! He forgot to ask if this is a alienware, ms update or something viral.
Anyone else know what this "UPDATE" is. restoring to a earlier time did not fix it.
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