Question about Dell Latitude E6400 Laptop

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Dell latitude e6400 ac adapter wattage and type cannot be determined . the battery may not charge

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  • 345 Answers

This does happen on some of the chargers. Most times if you unplug power can let the battery drain all the way and plug back in it will fix its self. If this does not work it can be motherboard issue or adapter. See if you can try another one and if not it would be motherboard. When you try another adapter make sure it is at least 90 W. Hope this helps

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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lserni
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SOURCE: the ac power adapter wattage and type cannot be determined .

There are at least four possible causes for this error - (error 3600-0749, right?).

First one: the adapter is faulty. You would need a tester to determine whether the adapter is indeed supplying power. Dell will send you a replacement adapter if the warranty is still good, or you can find one online (model PA-19 PN402, 230W).

Second: one of the DC jack solder points on the motherboard cracked. You may see the error disappear by "wiggling" delicately the jack in the notebook. You either need to call Dell tech support and have the MB replaced for free (if under warranty), at cost - in excess of EUR 400 - or the jack may be resoldered, which will void the warranty and requires experience in disassembling and reassembling the laptop.

Third: motherboard is otherwise damaged (voltage regulators, buffers, and so on). Diagnostics must be performed by a Dell technician; replacement policy as above.

Fourth: you may have problems with the BIOS (if it is a brand new unit), solvable by upgrading - Dell will suggest this avenue first if you call tech support, anyway, so check you've got up-to-date BIOS and drivers.

Posted on Dec 02, 2009

  • 10406 Answers

SOURCE: the ac power adapter wattage and type cannot be

Access the manufacturer's web-site for your DELL XPS laptop:

http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=2684&l=en&s=pub&os=WW1&osl=en&catid=&impid=&SystemID=XPS_1730

Find the Dell XPS Service Tag on a sticker on the bottom of your laptop.

On the above page, click "System Configuration", and enter that ID,
to get a list of parts, including the AC power adapter, that was shipped with your computer.

Posted on Dec 02, 2009

  • 3278 Answers

SOURCE: My laptop isn't charging ,

Hello.

From your description, your battery is faulty and needs to be replaced.

You could find your battery at the Dell site, here:

http://accessories.us.dell.com/sna/batteryconfig.aspx?c=us&cs=19&l=en&s=dhs&dgc=IR&cid=dhspfyd_pb&lid=pu_h

Or, if you prefer, choose an online site or purchase locally.

Hope this helps.

Posted on Jan 28, 2011

Testimonial: "ta for your help , thought I needed a new battery, what you said confirms this. Thanks "

ercupa190
  • 12223 Answers

SOURCE: MY DELL 830 LATITUDE LAPTOP IS GIVING ME THIS WARNING,

RUN the software diagnostic ONLINE from www. dell.com for determine what hardware is fauly.
Get the support too via ONLINE by chat or calling.
God bless you

Posted on Oct 19, 2012

  • 21 Answers

SOURCE: AC power adapter wattage cannot be determined

The AC adapter needs to be replaced. You can buy one from Dell for about 100-200 dollars. If your laptop is still under warranty, the charger is often covered under the same warranty as the laptop and should be replaced under warranty if applicable. You may also buy a third-party charger off of ebay or amazon much cheaper, but this is not recommended. If you do consider a third party charger, make sure that it has the same wattage, voltage, everything! Good luck!

Posted on Mar 23, 2013

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I have a Dell E6400. I know, ancient! Is it normal that it gets slower when charging? Like when it's using battery power, it's noticeably faster, but when I plug the charger in it just gets slower..


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AC power adapter wattage cannot be determined


The AC adapter needs to be replaced. You can buy one from Dell for about 100-200 dollars. If your laptop is still under warranty, the charger is often covered under the same warranty as the laptop and should be replaced under warranty if applicable. You may also buy a third-party charger off of ebay or amazon much cheaper, but this is not recommended. If you do consider a third party charger, make sure that it has the same wattage, voltage, everything! Good luck!

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RUN the software diagnostic ONLINE from www. dell.com for determine what hardware is fauly.
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If the D610 works when attached to the AC Power Cord, it is likely that your battery is not capable of taking a charge and needs to be replaced. I have 2 D610 Dell Latitudes and they are very good laptops.
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The ac power adapter wattage and type cannot be determined . the battery may not charge.


Access the manufacturer's web-site for your DELL XPS laptop:

http://support.dell.com/support/downloads/driverslist.aspx?c=us&cs=2684&l=en&s=pub&os=WW1&osl=en&catid=&impid=&SystemID=XPS_1730

Find the Dell XPS Service Tag on a sticker on the bottom of your laptop.

On the above page, click "System Configuration", and enter that ID,
to get a list of parts, including the AC power adapter, that was shipped with your computer.

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Post Boot message for my Dell Inspiron 1521 laptop. Message: The AC power adapter wattage and type cannot be determind. Please connect a Dell 65W AC adapter or greater for best system performance. To...


When you received the system as out of the box and you get this message "The AC power adapter wattage and type cannot be determind" let the Dell tech service know that they sent you a wrong or incorrect type of AC Adapter.
If this message not was not appearing before it just happened recently try to download and install the latest BIOS version from the support site.
If all fails remove the batt and check if laptop can work with AC adapter alone, because issues like AC not determine may not charge the battery and laptop may not work with AC as well, maybe laptop is already running on battery power.

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Charger isnt recognized


Dell portables use a sensing wire in the barrel of the adapter plug to determine the wattage of the ac adapter. If that fine wire in the center of the plug is bent or broken, the system cannot ID the adapter and the battery charger is disabled.
SO, first try a known good AC adapter for a D-Series Dell (You might be able to check with Geek Squad at a local Best Buy if you don'e have access to another ac adapter) If a known good ac adapter works, then replace the ac adapter.
If a known good AC adapter does the same thing then the fault is in the charging circuit of the motherboard and the motherboard will need to be replaced.

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