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Current does not go into my laptop

I chargedn the DC IN

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Check if power cable is being properly connected and check for the power port is working or no

Posted on Jul 10, 2009

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What could make my inverter to blow up when it's about to transfer from Dc to ac current


Too much current. The inverter is only rated to a limited number of Amps. If the inverter is not matched to the laptop, the laptop might be drawing too much current which overloads the inverter. There could also be a short in the wire on the output side of the inverter which would also overload the inverter with current.

Mar 08, 2015 | PC Laptops

1 Answer

How do you repair a ac switch on your fujitso siemens amilo pro v 2010


The AC switch you mention is a PSU (power supply unit).

You can by them complete on Ebay.
Part number ACADA-C7
AC input voltage 100 ~ 240V 50~ 60Hz DC output voltage 20V DC output current 3.25A Power 65W Connector size 5.5 x 2.5mm

Sep 30, 2014 | PC Laptops

1 Answer

Hi, i have svoa labtop and now my charger adapter got burnt due to electrict short. Now my charger is not working and i cannot use it.


OK. But I don't understand what the problem is.

AC adapter (Charger) is burnt out, by a new one.

Look at the old 'charger'.
Look at the label.

Input: 100 ~ 240VAC/50 ~60HZ.

100 to 240 Volts AC, at 50 to 60 Hertz. (Cycles per Second)

Output:
This is what you need to know.
What is the output voltage of the original charger?

Example;
Output: 19VDC @ 4.63A

19 Volts DC at 4.63 Amps. (Amperes)

Your charger MUST put out 19 Volts. (For the example)
It WILL be DC electricity, so don't worry about that. (Direct Current)

[Your 'charger' is more than that. More than a charger for the laptop battery.
It is also a Converter. It converts the 100 to 240 Volts of Alternating Current, (AC), into a low DC Voltage.

Plus it charges the Battery, WHEN needed ]

Post back in a Comment as to what the exact query is.
Regards,
joecoolvette

Jan 25, 2013 | PC Laptops

1 Answer

WHATS A DC JACK AND HOW THE HELL DO I KNOW IF ITS WORKING OR NEED SOLDER


The DC jack is for power, i.e. Direct Current. If you plug in your power adapter and your laptop says it's charging, then it's working fine.

May 24, 2011 | PC Laptops

2 Answers

Why does laptop stop working through adaptor after battery flat


Hi There,

Your battery charger/adapter connects to the DC Power Jack to power your laptop and charge the battery. Since the charger/adapter does 2 things, there are 2 "cells" inside it to do those 2 different things. It's not uncommon for one or the other (but not both) to fail. So, often just purchasing a new charger/adapter solves the problem you're having. It appears that yours is continuing to charge but has stopped "adapting" AC current to DC current to power the laptop directly.

Jul 10, 2010 | PC Laptops

1 Answer

The internal ac connection on my Acer aspire 3000 is bad, i this a costly fix? Who can do this that is reputable?


Your AC adapter, (Charger), converts Alternating Current to Direct Current, (DC)
[A flashlight battery, and your laptop battery are examples of stored DC electricity]

The port on your laptop where you plug your AC adapter into, is the DC Power Jack.

Price to replace this jack? Depends on where you take it to have it fixed, and what it is in.
Average is $90 to $150.
The tech has to completely disassemble the laptop, all the way down to just the motherboard in hand. Then desolder, and remove the old DC Power Jack, and solder a new one in. Now the laptop is reassembled.

It could be that solder joint/s have cracked, and just need re-soldering.
Less cost.
Or, it could be that the entire motherboard needs to be replaced, because the motherboard design was/is bad in the first place.
More cost.

Who can do this that is reputable? I'll put my money on a small 'Mom and Pop' computer repair shop, every time! Their advertising is largely by word of mouth, and that is by satisfied customers!

Aug 19, 2009 | Acer Aspire 3000 Notebook

2 Answers

Battery wont change


A problem is just like a mountain. You don't jump over the mountain, you climb it in steps, one step at a time.

1.How old is the battery? 1 to 2 years old, you can expect it to be at the end of it's Life Cycle. Batteries are rated in so many hours of usage.
Best bet is to let the battery charge 24 hours, then try it.

Would be nice if you someone else that has an Inspiron 1525, and they would try to charge your battery. If it doesn't charge up, you would know it's the battery. If it does charge up you can move on down the charging system, to try to find the problem.

2.AC adapter, (Charger) If you have a multimeter, set it to the 50 volt DC scale.
Laptop and desktop computers use DC current. (Direct Current) Your house, for example, uses AC current, (Alternating Current)
AC is converted to DC by the AC adapter, (Charger)

An example of DC current are flashlight batteries, and your laptop battery.
DC current has a Positive pole, and a Negative pole.
The center pin of the plug of your AC adapter is the Positive pole. Any of the four outside pins on the plug, are Negative.
The Red, (Positive), probe of the multimeter goes to the center pin. The Black, (Negative), probe goes to any of the outside four pins on that plug.
Example of a DC Power Jack, for the Dell Inspiron 1500 Series of laptops, 1525 and 1526, (This is the jack inside your laptop, where you plug the AC adapter into),
http://www.megaemarket.com/dc-power-jack-for-dell-inspiron-150150015011505.html

3.It may be that DC Power Jack itself is bad, or one of the solder connections is cracked. It's hard to see it clearly on the link I provided, (So I Right-clicked on it, Save Image As, and put it right in my My Pictures folder. Then I magnified it), but in the photo you will see some metal pins sticking out of the rectangular body.

The metal pins are sticking up. In reality those pins go down, when the jack is mounted on the motherboard. They go through the motherboard, via holes, and are soldered on the other side.
It is these solder joints that may crack, is what I'm referring to.

Solution to 1?
Obviously buy a new battery.

Solution to 2?
If your multimeter findings show lower voltage than needed, it's time to buy a new AC adapter. They have generic ones that can be used on a variety of laptops. The voltage will be stated on the top of the AC adapter.
Example: 19.2V-1.0A
That's 19.2 Volts at 1 AMP.

It may just be the plug end on the AC adapter itself. The plug end that goes into the DC Power Jack, on your Inspiron laptop.

Solution to 3?
Unless you are a skilled Electronics Technician, and have Excellent de-soldering/soldering skills, I advise taking it to a computer repair shop. It may not just be cracked solder joints. The DC Power Jack may need to be replaced. Maybe the motherboard is one of a bad design, and where the DC Power Jack attaches to it, has cracked.

Jul 25, 2009 | Dell Inspiron 1525 Notebook

1 Answer

Would any 16volt ac adapter be ok to charge my PCG-VX89 vaio notebook?


you can use any laptop AC adapter DC output-16V and 4A (current). if its jack size natch your laptop DC jack.
if the adapter DC current less than 4A (over 2.5A at least) you should only make the battery charging without laptop turn on!!!
please take a rating let me know how much helped you thanks!

May 21, 2009 | Sony VAIO V505DC PC Notebook

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