Question about Dell Latitude C640 Notebook

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MY dell tatitude c640 battery is not charging, it power by AC (meaning the charger), the battery is charging in another latitude c640 latop. what is the fault, and how can i repair it

MY dell tatitude c640 battery is not charging, it power by AC (meaning the charger), the battery is charging in another latitude c640 laptop. what is the fault, and how can i repair it

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  • 45 Answers

Chances are the actual power jack in the laptop has gone bad. this is a common issue with lots of laptops and every dell laptop (4) that i have owned http://www.ebay.com/itm/like/281152320878?ul_noapp=true&chn=ps&lpid=82

Posted on Nov 19, 2015

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Posted on Jan 02, 2017

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mellomania
  • 121 Answers

SOURCE: Dell Latitude C640 Laptop

get to the main board of ur system there is a jumper near the battery .
change its position while power is off and get it back to its previous position. this way u will reset cmos to default.
if the computer starts hit delete to enter setup and load system defaults.save changes then exit.
ps: defected processor could be the cause

Posted on Nov 14, 2007

listeur
  • 88 Answers

SOURCE: Dell c640 battery problem

This sounds like it is not getting enough amperage from the power brick- check which model power brick you have. I'm not 100% sure but the pa-6 family may not provide enough power to charge and run the laptop at the same time. the PA-9 should- if it's rated at 4.51 @20v - that works out to about 90watt. If you DO have a 90 watt power adapter and it's still giving the orange then red flashes- and will not charge when the laptop is off- you probably have either a bad battery, or the motherboard is faulty and has a bad charge circuit, or a loose power jack. What does pressing the little button next to the charge indicator on the battery do? Flashing every other led- 1,3,5 is BAD, so is 1 and 5. You also might have a 3rd party refurb- that had the guts torn out and is not properly "seen" by the laptop.

Posted on Dec 18, 2007

fowlercomp
  • 119 Answers

SOURCE: Dell c640 charging problems.

Instead of spending alot of time trying to do something that could potentially harm your laptop..why not just buy a power supply?

You can get one here Click here for about 16 dollars. That's a great deal they are usually about $60 and its a Dell brand not some off brand.

Good Luck

Posted on Jan 19, 2009

benwabnick
  • 2404 Answers

SOURCE: My Dell latitude d610 charging circuit not working on board

What needs to be done is the jack that your adaptor plugs into has solder points underneath it. All the solder points need to be resoldered to make sure that there are no cracks in the solder that are preventing the jack from charging your battery.

After this is done if the laptop still isn't charging then if you know for sure your using the correct ac adaptor with your laptop then at that point the moterboard would have to be replaced.


Posted on Jul 31, 2009

  • 1 Answer

SOURCE: Dell Latitude D600 won't accept charger

Had the same problem, My other Dell charger would work fine but the original one that came with this laptop would throw an error message that the Charger wasnt recognized. None of the suggestions on the forums worked.
I held the chord by the circular flex thing at the end, and pushed in the power pin with force into the laptop, held it for a few seconds and now it works fine. If you push the pin slow and gently into the laptop, it doesnt recognize the adapter. I think the problem is either with the power chord connections inside or with the adapter inside the laptop. Try it!

Posted on Aug 25, 2009

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1 Answer

My Dell Latitude D505 will only charge the battery through the docking station. I have used mulitple chargers and none will charge batt outside of the docking station. Any suggestions??


Hi,


Im very sorry to hear that, please follow these simple steps for you to be able to isolate the exact problem.


1. Removed the battery.
2. Connect the laptop directly to the power outlet without using the battery just for the meantime.
3. Turn on the laptop. If the laptop is able to power on, that means that the AC adapter is working fine as well as the DC port. If the laptop is not able to turn on, it maybe the AC adapter itself or the DC port.
4. Try to use another AC adapter if possible, make sure that that AC adapter is working fine. If the laptop is still not turning on, the problem is with the DC port itself. In that case, you will need to replaced the Motherboard itself.


Hope this will help...Thank you for using Fixya...

Aug 25, 2011 | Dell Latitude C640 Notebook

2 Answers

Dell c640 laptop when not power on when using ac


The battery has a dry cell causing this so replace the battery

Jun 20, 2010 | Dell Latitude C640 Notebook

1 Answer

No AC, battery only, works in Dock


Try using the A/C adapter without the battery connected and see if your unit boots.
If it does, you will need a new battery, if it does not, question: do you see the led light up when you plug in the charger adapter ?
If you do not, you may need another charger.

Nov 24, 2009 | Dell Latitude C640 Notebook

1 Answer

New battery and still won't charge.


first, check that the battery connection isn't blocked by a sticker or something.
second: try disconnecting the battery and ac and hold the power button for 1 minute. then give the battery and ac another try.

let us know how it goes.

if it still doesn't work, time for a warranty replacement.

Jun 30, 2009 | Dell Latitude C640 Notebook

1 Answer

My dell Inspiron 1318 laptop's battery is not charging.


check power supply see if its putting out voltage to laptop

Mar 29, 2009 | Dell Latitude C640 Notebook

1 Answer

Dell c640 charging problems.


Instead of spending alot of time trying to do something that could potentially harm your laptop..why not just buy a power supply?

You can get one here Click here for about 16 dollars. That's a great deal they are usually about $60 and its a Dell brand not some off brand.

Good Luck

Jan 18, 2009 | Dell Latitude C640 Notebook

1 Answer

Dell latitude C640


You might want to try another AC adapter. If it works, then call up Dell and have replacement on the AC adapter. Otherwise, call up Dell and have them check your motherboard. If the warranty is still active, then can still definitely replace that.

Sep 29, 2008 | Dell Latitude C640 Notebook

1 Answer

Power & Battery in a Dell Latitude C640


If the laptop does not run plugged into AC power, then you may have a defective power brick or a power problem with the laptop.

I would try another power brick. If that doesnt do it then your power jack inside the machine may be damaged and usually that means the motherboard is cracked. The only fix in that case is a new motherboard ($150-$200 plus labor) OR you can get the Dell C PORT II port replicator which has its own power jack.

Hope this helps!

Dec 28, 2007 | Dell Latitude C640 Notebook

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