Question about Dell Latitude D505 Notebook

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No power at all for my Dell Latitude D505

Computer went out the other morning. AC adapter was replaced, no change. Before computer went out, the battery was no longer holding a charge (maybe 10 minutes) I was told that a new battery was not the answer since a new AC adapter didn't remedy the problem. So now what? Has the motherboard crashed (computer is almost 4 years old 12/1/2004)

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  • makneely Nov 19, 2008

    Thats sounds plausible. Not sure about the propreitary/non proprietary issue. Have to research.



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Sounds Like From Your Description That You Need Your DC Jack Repaired/Replaced..

THe DC Jack Is the Port where Your AC Adapter Plug Plugs into on the laptop.... THis can be proprietary or non proprietary.... But Either way, the Old Faulty Jack Needs To Be Desoldered and Removed, THe Board Cleaned and a New DC Jack Soldered On.. You Will Then Be able To Power On Laptop With AC Charger and Will again Be Able To CHarge The Battery..

Posted on Nov 19, 2008

  • Garry Romaneo
    Garry Romaneo Nov 19, 2008

    proprietary meaning the DC Jack Is Soldered Directly to the motherboard, Non being a DC Jack That Is Not Soldered Directly To The Motherboard But Instead the DC Jack Is Attached To The Motherboard Using a 4 Inch Set Of Wires(ex: 2 positive 2 negative) then it slides into a slot on the bottom side of the case..

    Yours is most likely Soldered Directly On The Motherboard as about 80% usually are and I don't know your make/model or I'd tell you the type you have...



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Dell latitude D505 battery not charging

Take Dell latitude D505 battery out, plug in the charger and see if the laptop works.
If it works, the battery may be the problem.
Check the AC Adapter
Check to make sure the adapter is plugged securely into the wall outlet, connected firmly to the adapter box and to the back of your laptop.

Most AC adapters have a little light in them on that rectangular box in the middle of the cord that lights up when it's getting electricity.
If that light isn't on, try a different outlet.
Check your fuse or circuit breaker box and plug a different device into that outlet to make sure there is power to it.
If it still does not light up, your adapter could need replacing.
Also check the adapter box for signs of warmth, as it will generate heat when it's plugged in. No heat means no power.

Remove the Battery Sometimes it's as simple as a seated battery.
Remove the battery entirely and clean out any dust, lint or hair that may be clogging the connectors and preventing a proper connection.
Reseat the battery securely and make sure the little locking pins that hold your battery in place are securely fastened and there is no movement.
hope this helps

Mar 31, 2013 | Dell Latitude D505 Notebook

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It could be a bad adapter, a short that drags everything down when plugged in.. could be a short inside the computer doing the same thing.

Borrow an adapter to see if you get the same result, if a friend or shop will help you with that.

A digital VOM could tell you if the right voltage is being put out by the adapter. Read on it, if it's supposed to be DC voltage and you get AC, the adapter is bad.

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Hi! You would be needing an upgrade of the BIOS. Here is the link:

Once you have downloaded this, close all other applications and run this file. You will see the Dell Bios Flash screen click on continue. Then click ok and your system will restart. Make sure that you have the power connected and do not do anything to the computer but follow the steps on the screen. Do not close, shutdown or interrupt the computer.

I hope this helps.

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sometimes this indicate a fault with memory or the system itsef.Before you begin you will have to remove the battery and the ac adapter.Remove the memory modules .Replace the battery and the ac adapter without the memory.Power it on if it comes on and beep several times then the memory is bad.If not remove the battery and the ac once again.Press and hold the power button for twenty seconds to clear the nonvol memory.Replace the memory the battery and the ac adapter.If still no go remove all the same items along with the hard drive and cd rom,Insert the battery and the ac adapter try again.If you hear a beep this time replace the battery(remember whenever you install to remove power).If nothing works and you none of the desired results you will have to replace the motherboard.
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1 Answer

Dell Latitude 505 that will not run on AC

Sounds like a BAD adapter. When was the last time it worked in the laptop?? I would try another adapter if possible. When was the last time the adapter work on the laptop?

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1 Answer

My dell d505 powrs up on battery fine but wont power up on ac

did it start by it seeming to have a connection problem. The pins in Laptops tend to get loose. Or the box on your ac adapter could have blown. Best bet.... order a new AC. You can search ebay or the web for one

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It wont power up.

Generally, a portable that doesn't do anything has a power problem, the trick is determining which component is at fault.

The first step is checking the power source, which for a portable is an AC adapter. Both the system and the battery are supplied power from the adapter, so if power is not getting from the adapter to the system, then eventually you end up in a no power state. If you have a known good AC adapter available, that is the fastest test. The adapter from any D-Series Dell will work on a 505. If D-Series Dell portable is available you can also test your AC Adapter and Battery in that system. If they work in that system, then next is a motherboard replacement in the 505.

If a known good adapter is not available, then check out the DC outputof the adapter barrel connector. The inside of the barrel (Not the small wire) is the positive contact, the outside is the negative. A multimeter set for DC current should read about 19 volts output from the adapter.

If the AC adapter checkout, try booting the system WITHOUT the battery. A failing battery can cause a no power situation.

If the Battery and AC adapter are good, then the last item in the troubleshooting line is the motherboard. If the system is under warranty, you contact Dell for repairs. If not, then you can replace the motherboard yourself if you are handy with tools for less than $200.

If you are not handy then I'd take the system to a computer professional for repairs.

Oct 11, 2008 | Dell Latitude D505 Notebook

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