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Reverse polarity when i connect the charger to my laptop,the charger gets turned off. no lights and no action from my laptop.some say i have to replace the power circuit. or i have to replace the whole motherboard?

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  • Dell Master
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Being a Dell, you may have to replace the motherboard as untold damage has been done to the switch mode, internal power supplies.

Posted on Mar 17, 2014

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Posted on Jan 02, 2017

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SOURCE: power circuit got blown off

Its hard to say what component got burned. It is very possible that the entire motherboard might be blown. I am not sure if there is a fuse for this model. Try searching on Google for a service manual for the dV6000

Posted on Oct 07, 2009

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SOURCE: Laptop will not turn on.

It is a problem with the Dell Inspiron 1150 system. That system had known problems for overheating. You may need to replace the fans on the system. Call Dell they did extend the warranty on these systems for this particular issue.

Posted on Dec 01, 2009

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SOURCE: my laptop toshiba won't power up. When I connect

The charger is defective take it to a store that sells them and ask them to plug in a charger for it wait for 20 minutes and if it works to kow the charger is bad, if it does the same thing then you know the bateery pacl is bad.

Posted on Jan 11, 2010

jbriner
  • 130 Answers

SOURCE: Laptop won't power on, suspect bad power port, is

Depends on the machine. In some case, the dc jack is easy to replace. IN other cases, you need to do soldering.

It takes about an hour to open an average laptop for the first time. When you get down the motherboard and jack. If the jack has power lines coming from it, you should be able to replace the jack for about $30.

If it is directly on the motherboard, you will need to solder. I would suggest a pro to do the soldering. That will cost you about $100 to $150.

You don't need to bother with the motherboard. It will cost more than an new computer.

Posted on May 20, 2010

Xenturion
  • 68 Answers

SOURCE: My laptop cord fried wen

It could very easily be either a fried motherboard, a broken connection on the DC jack within the laptop, or a fried DC Jack. It is typically at least a $200 fix if you go through GeekSquad or the manufacturer - maybe more if the motherboard is fried. Unfortunately, there isn't an easy solution to this one.

Posted on Aug 24, 2011

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My Acer Aspire 4750G-2312G50nbb does not turn on, Whenever I insert the charger adaptor to the power jack, the charger adaptor led light turns off.


One of two issues will cause that.1/ The socket is damaged and presenting a short circuit to the charger or 2/ The protection diode has blocked an incorrect voltage/polarity and provided protection by going short circuit.

Jan 11, 2014 | Acer Aspire Computers & Internet

1 Answer

Accident my connected power chord with reverse polarity. Worked OK till the battery was flat but now won't work on battery or power lead only - help!


reversing power
-+ commonly it doesn't affect the systm of battery or machine unless you demage the charger.because there is a diode inside of machine.but for help let see the specific of it

Nov 04, 2013 | HP 2000-2b20NR Laptop PC

1 Answer

Honda eu10i reverses polarity on boat


Polarity lights in AC means that it thinks the wrong input lead is earthed ie neutral.

If polarity detector is showing that there is no neutral earth bond it may not be a bug but a feature, as standard the EU10i would not have an earth neutral bond.

Otherwise I can not see why your detector thinks there is a polarity reversal.

Kevin H

Jan 24, 2013 | Honda Eu-1000i Inverter Generator

1 Answer

What is the polarity of a 12v Black & Decker Drill?


centre pin on plug socket is usually positive...
think I would **** it and see ....if the replacement charger has a charge light it will probably not light if you have reversed polarity. Had the same problem with VHF portables ...I just cut the wire on new charger and tried both options ..reconnected and a bit of tape...voila.
There is little danger to your drill from getting it wrong as long as a the timing is relatively short.

May 29, 2012 | Black & Decker Drills

1 Answer

Golf battery polarity


reversed polarity,check fuses. check the system for burnt wires also !
Always hook up your battery terminals correctly, as the alternator may be damaged if the battery is hooked up backward. jump start car, if it will. there should be at least 13.7 to 14.2 volts at battery posts while its running. if alternator is ok.

Nov 01, 2011 | Cars & Trucks

1 Answer

I have olympus camera battery charger, it charges a battery then when the next battery goes in the light keeps flashing it should be solid light


three things to try.. reverse polarity on the charger (turn the plug around), clean the copper contacts on the battery and charger, get a new battery

May 20, 2011 | Digipower Travel Charger for Select...

1 Answer

Plugged in charger and got not light on charger for transmitter. Replaced rechargable batteries with AA's turned on transmitter not lights on transmitter. Rechecked polarity on batteries and they were in...


what charger?
it needs to be designed for that particular transmitter, four cells, reverse polarity to Futaba and Hitec

http://www.rcgroups.com/forums/showthread.php?t=839823

Apr 05, 2011 | Spektrum Dx5e Dsm2 5-channel Air Radio and...

2 Answers

When I use the cigarette lighter to charge my cellphone, the battery actually DIScharges in the phone. Can this be due to reverse polarity at the lighter outlet?


no, if it was it would blow a fuse when phone is plugged up. maybe a bad charger . can you try it in differe..nt vechile to see if it does same thing

Jan 02, 2011 | Ford F-450 Cars & Trucks

1 Answer

A quick question, I have an Acer Aspire 5516 and today the charger just flat out stopped working. it was a 19v 65w charger, then I had gotten a universal charger that came with 19v 75w and 19v 90w tips. I...


You do not have to be worried about the wattage. Wattage (in the case of chargers) is the capacity a charger can provide. So higer the wattage better it is. However, higher the wattage higher the price usually. Voltage has to match. But the most important thing to look for when you buy a universal adapter is the polarity. Take care to match the polarity. Polarity will be represented by a small line encircled by a circle with + AND - . If you look at it carefully you will understand that it is trying to tell you what polarity is the inner lead and the outer lead. You will see this marking on the charger and also on your laptop close to the DC in. (Usually the inside lead is positive and the outside lead is negative) However some manufacturers reverse this. (I have no idea why they do it though I think some kind of regulatory body should make a standard to avoid unsuspecting users from frying their devices). If your voltage and polarity is matching you are good to go with 65 watts or above. If this holds good, don't worry about any listings.

Sep 19, 2010 | Acer Computers & Internet

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