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POWER CHARGING WITH HISSING SOUND AND POWER NOT BEHAVING AS DC BUT AC CHARGING TURNING THE POWER ON AND OFF

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I would strongly suggest you cease using the power charger. There is definitely a hardware failure inside of it. Continued use may result in it frying your laptop. -Ravi Shanghavi

Posted on Aug 19, 2010

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My Ac/dc adaptor for my R/C boat is making this buzzing or humming sound when i plac it in the socket, it make the sound before i attach the battery pacj for charging and after attaching the pack the


If it is charging properly I would not worry about it. Chargers are a device that ALWAYS make noises, there just often out of our range. If it is making a VERY loud noise, then I would suggest locating a replacement power supply.

Dec 31, 2013 | Computers & Internet

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Charger not charging and motor runs fine


You need to check the rectifier first to make sure it has AC power on the 2 x AC terminals and 13.8V DC on the DC side, if you have AC and no DC replace the rectifier, if you have no AC check the stator windings

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No power ac or dc IFR 1200 super s


Try another Cord/charger, with the EXACT same power specs, without the battery installed. If it works on the AC/DC cord/charger, replace the battery with a genuine battery with the exact same power specs.

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1 Answer

Compaq 2510p battery not charging


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...

Sep 25, 2011 | HP Compaq Evo n610c Notebook

2 Answers

Power on problem



hello my friend,
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 it will help you today.

Aug 30, 2011 | Computers & Internet

1 Answer

Battery is not charging..... after upgrading windows to windows 7


Hi,
Welcome to FixYa!
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...

Jun 03, 2011 | Computers & Internet

1 Answer

My Thinkpad A30 replacement battery is not charging and is not even being read by my battery miser program. Does anyone know why?


Hi,

Welcome to FixYa!

Im very sorry to hear that, it may also be the AC adapter that you are using. Worst is the DC port, 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...

May 17, 2011 | IBM ThinkPad A30 2652 Notebook

1 Answer

Battery is not charging


Hi, You maybe encountering errors such as plug in not charging or no battery detected. If so, there's a posibility that the problem is with the battery itself or the charger that you are using or worse, the DC port on the laptop. Here some steps for you to be able isolate the exact problem and which part is need to be replaced.
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 or the Base Cover of the laptop itself.


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

Feb 18, 2011 | Gateway MD7818u Notebook

1 Answer

My laptop stop charging.


Batteries get old and wear out. Be use AC outlet is working. Check for power light on AC/DC charger box between laptop and AC.

It is common for Laptop charging/power connectors to get worn and/or loose(intermittent). Try to get charging light on PC by wiggling power connection to PC.

If not, if you have a VoltOhmMeter(VOM). check for 5V on barrel power connector on the charger side, that plugs into PC, Outside conductor is GND and Inner connector is (+5V). VOMs are cheap at RadioShack or AutoParts stores and are a handy tool to have around the house. Book shows you how to measure. PC is 120V AC on Wall side of PC Power Supply from Wall Outlet, and 5V DC on PC side of Charger.

Charger may be defective. Cheap on Ebay.

Feb 23, 2009 | Acer Aspire 3680 Laptop

1 Answer

I can't charge the battary.


Disconnect DC power cable from AC adapter/charger. Battery charging will not be possible if the DC power cable is left connected to the AC adapter/charger.

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