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How to pick the right laptop AC adapters

All new laptops come with AC adapters. Adapters are used for charging laptop batteries and also used to supply power directly. There are occasions which we require to buy an AC adapter. Most laptop users travel, for they travel to Europe or US they require AC adapters that take 100-240 voltage input and output 16 voltage or 19 voltage.

Let us present 3 easy steps to pick the right laptop AC adapters.

1. Finding the right "tips" - Different laptops have different connectors. You need the right tip for your laptop. This is very simply to find. Basically, laptop AC adapters comprise of 2 ends. One end is male power outlet. You use this end to plug into wall power outlet. The other end is called "TIP" which you will plug this tip into the "DC IN" in your laptop.

Your laptop won't work on the wrong tip. You can only use the " matching Tips"
Warning: DO NOT try to force it in.

2. Finding the right "output voltage" - Different laptops were designed to consume power varied by equipments such as CD-Rom, LCD size, CPU maker and CPU speed. You require to use the "matching voltage" . Only use the laptop AC adapters output the matching voltage of your laptops. You can easily locate your laptop voltage. Mostly, voltage is printed on your laptops. You also can check your laptop manual.

3. Find the right "input voltage" - for they users who will travel abroad especially to Europe and Asia. You would need laptop AC adapters that compatible with 220-240 voltage also. So it would be wise...and yes...you are!!.... Always look for AC adapters accept 100~240 voltages. 100~240 voltages AC adapters will go with you worldwide. You do not need to carry 2 adapters anymore!!!

That's easy!!! You now know the basic knowledge to find your laptop AC adapters.


AC Adapter Tips

An AC adapter allows a laptop computer to be plugged into a standard wall outlet. It converts the "AC" (or "alternating current") of a wall outlet to "DC" (or "direct current") so the laptop can draw power safely while charging the battery. Usually, an AC adapter is built to last for years, but sometimes it does not last as long as planned. When caring for or replacing a faulty AC adapter, there are a few things to keep in mind in order to maximize its usefulness and compatibility.

AC Adapter Compatability

Not all AC adapters are created equal. Some will have differing input and output voltages which makes choosing the correct one frustrating. If you are replacing a laptop's adapter, always check its specifications to determine the power requirements. Also, laptop computers have different sized DC plugs, so make sure that the adapter that you buy will fit. Many universal AC adapters come with interchangeable plugs to prevent this problem.

Problems That May Arise

While it is normal for an AC adapter to get warm to the touch while plugged in, any other signs of trouble may require immediate action. If your adapter is making a high pitch noise, replace it. If your adapter stops working completely, it may be a sign of a bad transformer or a wiring issue. If you fancy yourself an amateur repairman, keep in mind that it is generally a bad idea to open up the AC adapter for any reason. In addition to being notoriously difficult to open (without a hacksaw), the internal components can deliver dangerously high voltage levels to inexperienced repairmen.

How to pick the right laptop AC adapters

Learning how to check your Dell inspiron 1501 ac adapter and how to replace it when needed can be a life saver if you're a computer buff or in business with the trusted PC. Don't take for granted the simple pleasure of turning on your PC and everything works just fine. The Dell inspiron 1501 ac adapter convert's your regular household current into low DC voltage used by the computer. When this component fails, there is simply no activity going on wih your computer. Inspect the laptop ac adapter for any damage. Double-Check all connections.
Turn off the PC, but do not unplug it, open the system unit. Set the multimeter to read DC volts in the next range higher than 12 volts. Locate a power connector similair to the hard drive, or cdrom drive connector that is unused and turn on the PC. DO NOT remove the Dell inspiron 1501 ac adapter from the system unit case when performing these tests. DO NOT perform these tests if you do not feel comfortable. Be sure to remove any and all electrical static build-up from your clothes and body before touching any parts inside the system unit. And NEVER open the Dell inspiron 1501 ac adapter case for any reason, since high voltage may be present.

Here are something you should look for when your Dell inspiron 1501 ac adapter is going bad or just dies on you are the following.
  1. NO POWER TO THE COMPUTER
    Here you must first check the wall outlet for power by connecting another device such as a radio or lamp to be sure power is present. If the computer is connected through a surge protector,check it as well. If the wall out has power,check the laptop ac adapter cable going to the PC to see if AC voltage is making its way to the system unit. Do this with the use of a multimeter. If there is power,you will have to open the PC and check for power from the Dell inspiron 1501 ac adapter to the motherboard. When using a multimeter to check voltage, be sure you have a good ground for the black lead of the multimeter.
  2. POWER DISTRIBUTION PROBLEMS
    When the Dell inspiron 1501 ac adapter begins to fail,you may receive power at one device and not another.For example, the Hard Drive may receive power but the CDROM Drive has nothing at all. Another headache with would cause re-booting is the intermittent power going to the drives or the motherboard itself.Follow the steps below to check your laptop ac adapter should you experience some of the above problems.
  3. CHECKING THE POWER SUPPLY
    If the wall outlet, and the power cord are good,make sure the connection at the motherboard is secure. Then you may have to face the fact that the Dell inspiron 1501 ac adapter itself is bad. If you have a Multimeter you can test the laptop ac adapter output before purchasing a new one.

Tips Packs for AC Laptop Adapter

This solution is Ideal for clone laptops like which are imported from Taiwan and rebadged by companies like Advent (PC World), AJP, Evesham, E-machines, Elonex, Hi-grade, iFriend, Rock and many others or for laptops where the size on the DC power plug is difficult to determine. With this method you just need to use our AC adapter selector which will give you the "best fit" option with the correct voltage and suitable current output, then the tip packs supplied should fit your laptop, if it does not we will give you your money back.

IMPORTANT: Your laptops DC power plug must be round (male or female type) like the example above here. If your laptops DC power plug has two or more pins in the center or is any other shape than the round barrel type shown here then these universal AC adapters & tip packs will not work with your laptop. Please refer to the tip list here to see any of those may fit your laptop or call our sales office on 01255 422033.

Let our system select the correct AC adapter & Tip pack

You can use our adapter selector/calculator the tell you the correct combination of AC adapter and tip pack, all we need to do this is enter the DC input voltage and the current in to the calculator here below.

To find out the voltage & current, turn your laptop over and look for a label, sticker or writing which shows the voltage and current, it should look something like the examples below. The voltage figure will have a "V" after the number i.e 19V and the current will have a "A" i.e 3.15A, if the is no current rating please call our sales line on 01255 422033 for assistance. You can also find these shown in a similar fashion on the original AC adapter if you have it. In the examples below the voltage & current has been marked with a red ring.

laptop ac adapter