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What is the ampere rating for a 12vdc power adapter for my cambridge PC 3 Works sound system

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SOURCE: I found my ten year old pc works cambridge

1st make it sure the volts of your speaker...buy same volts power supply according to you speaker ..
example: 12v 1.0 ampere safe...

Posted on May 25, 2010

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We just bought this acer aspire 5315 lap top brand new charger but battery still wont hold charge even plugged into the wall can anyone help please its for my kids to play?????????????? i have a gateway...


First of all, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Oct 07, 2010 | Acer Aspire 5315 Notebook

1 Answer

Battery won't charge works with adaptar


First of all, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Oct 07, 2010 | Acer Aspire 55345410 Notebook

1 Answer

When the power charger is on my compaq nx6310, it run very slow, but when I use it without the power charger, only battery, it runs well... it works good!!! My S.O. is Windows XP professional sp3 I use...


You need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.

Sep 19, 2010 | HP Compaq nx6310 Notebook

1 Answer

Power adaptor type cant be deturmed


A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating.

Sep 07, 2010 | Dell XPS M1730 Laptop

1 Answer

Hi My laptop 4810T Can't use it's battery and it works only in plug in mode(when it is connected to power supply by adaptor ) The System shows no problem and can detect the battery and the precise amount...


First, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Aug 30, 2010 | Acer Aspire 5520-5156 Laptop

1 Answer

I need the size or model number for a replacement charger for the gateway solo 9550.


Compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery.

Aug 30, 2010 | Gateway Solo 9550 Notebook

1 Answer

I can't find the series # of my note book---- where can i get a replacement charger?


Any charger which fits the following conditions will be a good fit to your laptop:
1. Charger has a jack which fits in the laptop's power socket.
2. Charger can provide enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the charger. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery.

Alternatively, you can look for a universal laptop charger which is suitable for your laptop's model.

Aug 28, 2010 | Acer Aspire One PC Notebook

1 Answer

My netbook power cord is no longer working. the netbook charges fine on my labtop cord. will this cause any problems to the netbook?


Not at all. Especially if the power adapter is providing enough power to both run the netbook & charge the battery. A very good way to do this is to compare your netbook voltage & ampere requirements (written on a sticker on the bottom of the netbook) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the netbook's voltage rating. Amperage of the power adapter should be at least equal to or greater than the netbook's rating. It should never be less than the netbook's rating, or else the power adapter will be providing insufficient amperes to charge the battery.

Aug 24, 2010 | Toshiba Computers & Internet

1 Answer

Freezer not working but motor working


hi! that symptom correspond hizzing sound on evaporator.factors are to be check before you can diagnose insusfficent cooling effect check your actual opearating current using clamp ammeter,set to amperes rating,clamp to one line source take thereading,compare reading on the tag locate at the backside of freezer there is rated ampers indicated.if you got low amper rating your system is under charge,thats the time you recharge your system by qualified ref/ac technician.but if you got high amper rating your filter need to replace as well as your refrigerant.check also the high side pressure by service pressure gauge manifold or the compressor discharge pressure if can compress to 300 to 500 psig.if not your compressor has loose compression.compressor is worn out.

Mar 17, 2009 | Kenmore 61042 Top Freezer Refrigerator

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