Genuine ACER PA-1121-02 PA-1131-07 Ac Adapter Charger 19V 6.3A 120W

Why we need a back up laptop charger?

As busy people on the go, we find ourselves ditching the traditional desktop computer and utilizing laptop computers for work. People can take their work to the office and back home and students can take legible notes in class on their laptop. However, one aspect of a laptop that is just as essential as the computer itself is the laptop charger.

Why is a laptop charger so essential? Well, think about it. What do you do when your battery power lasts only a couple of hours? You have to be plugged in somehow and that is what the laptop charger is for. Laptop charger adapters not only recharge a laptop computer battery but can also be an additional power source if you remove the battery pack from your laptop. Many times a power cord comes along with your original purchase of a laptop computer but it is not a bad idea to have a back up in case it were to go bad.

Once your laptop computer goes dead, there is no other way to revive it other than putting it on the support of a laptop charger power supply. If your computer is dead, there is no other way to access all of the work you have done on it nor open files that may be on your desktop. This leaves you without access to your work and delays your productivity.

Sometimes the power cord goes bad just out of the blue. It stops charging your battery all the way or within a timely fashion. It could be a result of being left in extreme hot or cold temperatures. Another reason for its failure could be that the wires are frayed underneath the protective coating if for some reason it has worn off. The other reason a laptop charger may quit working is if it is plugged in for too long, gets hot and just fizzles out from overuse. If you do not have a back up laptop power cord, you will be without your laptop for a few days until you can get your hands on a replacement one.

When looking for replacement laptop adapter power supply cords, you must find one that is compatible with your specific computer. They are usually difficult to find in physical retail stores depending on the type of laptop computer you use. Finding a replacement usually involves an online search to find a compatible one. Manufacturers of your computer will be able to offer you replacement laptop chargers but they are typically extremely expensive.

It is wise to look around for your back up laptop power source at reputable websites that offer valid return policies in case you get a junky cord that does not work from their site. These are typically much less than price of what your computer manufacturer can offer a laptop adapter at but you have to take care to ensure that you are not ordering a product from an online retailer that has poor performing or refurbished products. Often times, you get what you pay for but there are resources out there that do provide excellent products that work well and for a long time.

AC Adapter Maintenance

Although an AC adapter for a laptop is not as important as the CPU, its damage will also trouble you a lot. Compared to other components, the adapter seems to be more susceptible to damage. After a period of use, you may find that it is much hotter than any other parts.

The major failure of AC adapter is the poor quality in some components, such as PCB layout, laptop power cord and so on. To avoid it, some details should be paid attention to in the process of maintenance.

1. If the charger cannot be repaired on time, a compatible one can be used to replace it as long as the output voltage and current is similar. As there's a voltage stabilizing circuit in it, it is no use to worry out overvoltage or ultraviolet.

2. Try to prevent the internal cable from disconnection when winding the laptop power cord. If the laptop cannot gain the power from the charger, install the laptop battery and check if it boots up properly. If so, there must be something wrong with the power cord or the adapter, which can be located by a universal meter.

3. Check if there's any problem with the capacitor, resistor or inductor, such as a bosomy bag on the surface. Under the circumstances, you'd better to replace it with a new one. Otherwise, it will cause a serious problem.

4. It has happened that the adapter damage was a cause of computer motherboard burning. Although the condition of this kind is rare, it is dangerous if the internal voltage stabilizing circuit is out of order.

5. Try to prevent the shell. Once it is broken down, it will occur to be the problems like the increasing electromagnetic radiation which affect the stability of the laptop.

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