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How. do you check if battery is okay.Is there a

How. do you check if battery is okay.Is there a ac dc swith to turn on barrery

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The laptop battery is charged with an advance system to regulate the batterry life. To check your battery for optimum performance it is important to charge the battery at least once a week after the charge had gone down to less than 10 %. this will not allow the cells to develop reverse polarity making it drop in efficiency.
Now in the control panel you can open up the icon Power, you will find the status of the battery orr if charging the status of the charging. the icon can be alos found on the lower instant toolbar. the percentage of the charge on battery or charging percentage will be indicated when you place the cursor near to it. make sure that you fully charge the battery always and not to mid charge or run it too low all the time.the time you get for the battery to power your laptop will determine the efficiency of the battery.By these methods you will get good performance of your laptop battery. Helpful advice? good day

Posted on Jul 12, 2010

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1 Answer

How i can solve this problem? My problem: my ups's output is constant by without ac input. But, ups's output is danceing or not proper by ac input.


check ac in inside UPS does it get converted to DC voltage inside UPS to charge the batteries. My guess of possible cause is Fault Capacitors on DC that filter the DC or a faulty power diode of a wheatstone bridge that is causing only half the AC cycle to be turned into DC. Check the power to the internal batteries is steady DC . Good luck in your troubleshooting

Apr 04, 2016 | Computers & Internet

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Domestic Dm2652 will not work on AC without DC power is this correct. We have been camping for a week plugged into 30amp power. Refrigerator worked fine then check light came on and refrigerator...


This is an RV frig correct? It SHOULD work either/or. AC or DC. If your plugged into AC then often the frig will work with that alone. DC is for when you have no AC so you can power your appliances of the battery. Maybe you have a converter (AC to DC which most RV's do) that somehow is not getting the DC to the frig.

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Samsung n145 will not power up


Related to a Samsung Np-n145 Notebook PC:

Plug the laptop into power for 24 hours. See if the Battery charges up.

Next test, or have tested, the AC adapter (Charger) See if it is putting out 19 Volts -> DC.
Know someone with a multimeter? I can guide you in testing.

AC adapter is good? Things go downhill rapidly here.
The next problem could be a DC Power Jack.

The DC Power jack is the jack on the laptop, that you plug the AC adapter into,

1) The DC Power jack may be broken
2) The solder joints holding it to the motherboard may be cracked. Poor connection to motherboard.

The DC Power jack can be replaced, or it's solder joints re-soldered.

DC Power jack proves to be okay?

Power MOSFET's have gone bad. The next link, is an article that deals with bad Power MOSFET's in an HP laptop. Used for an example,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html

Let's hope it's a bad AC adapter

Regards,
joecoolvette

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1 Answer

I have charged the barrery pack over night and it still wont work. It has never done this before. I havent replaced the timy battery since I bought it 8 years ago. Could my camcorder need a new battery?


After eight years, it is most likely your battery. Most camcorders have a DC input connection. If the camcorder still works with external dc connection, your battery is probably bad.

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1 Answer

My gateway laptop note book, will not power up, I have checked the cord, battery etc. Went to turn it on one day and no power? someone mentioned that it over heated?


First of all, take the battery off and try to turn it on with the ac adapter (power cord) connected. If it comes up without the battery then it's your battery.

If it doesn't turn on without the battery and with just the ac adapter, try a different ac adapter. You can find one to try at your local pc shop or electronics store. If it comes up with another ac adapter then all you need to do is purchase an ac adapter at the store or order one online (cheaper).

If it still doesn't come on then it's either your dc jack or your motherboard. Normally if it's just the dc jack it will turn on or attempt to turn on when you wiggle the connecter in the ac adapter connection. If it's your dc jack it's relatively inexpensive to purchase online. The problem comes with having to take apart the laptop, desoldering the old and soldering the new dc jack, and putting the computer back together.

Good luck and let me know if you have any other questions.

Oct 23, 2010 | Computers & Internet

1 Answer

My ac it's working bad, non cold air. I notice the air it's coming out from the top of the panel and from the bottom, looks like the switch stuck, so I can't swich positions to see if the ac is working....


1st thing you can check is to open the hood and have a helper turn the AC switch on and off and listen for a clicking noise from the engine compartment. If you hear this clicking noise everytime the AC is turned off and on then it is likely the AC compressor is working okay which would likely mean your blend door and actuator is stuck or has malfunctioned somehow. In either case they are both jobs for skilled tech's do to the likelyness of having to remove the IP to change them. If you do not hear any clicking noise under the hood then check all fuses and if they are all okay then I would recommend taking your car to a local tech that is AC certified do to the complexity of an AC system. Hope this helps.

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Does not switch to AC power


check the power cable...if it does not detect the AC voltage from the wall it will remain in the DC mode sourcing from its battery

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2 Answers

Laptop will not charge but charger light is on


Sounds like a bad battery or the charger isn't putting out enough power even though the light is on.But most likely its the battery.

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1 Answer

Cx2620 gateway wont turn on


Possibly Need a New DC Jack In Your Laptop... the DC JAck Is The Port Where Your AC Adapter Plugs Into...

Though You SHould as well Check For Proper Power To Your CHarger Cord.. Not all AC Cords That Have Their Lights On Are Able To Charge...

To CHeck If It's The DC Jack... Remove Your Battery..... Plug In the AC Adapter Cord... Power On... If You Get No Lights/ No Power/ No Fans Etc..... It's Your DC Jack

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1 Answer

On/Off switch will not turn unit on..sunk in


that unit may have the locks open it by screw driver check the power at cord then insert and check ac voltage at fuse if present then check after fuse if not then replace it then check dc voltage across big capacitor if not then check 4 diodes if faulty replace it if dc volt is very low then replace capacitor problem may solved

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