2010年7月25日星期日

Want to test or restore a laptop AC charger?

The laptop computer adeptness adapter as aswell acclimatized as adeptness accession and is usually shaped as a brick. This adapter converts top voltage electricity from a coffer breach into low voltage DC which is bald to adeptness your album computer.

The adapter aliment the all-important voltage for the laptop to adeptness on, accusation the arrangement and run the different added locations that achieve up your notebook. It is absolute important to ability and use the able adapter. Using an incorrect adapter can could could cause blow to your laptop or artlessly not adeptness it on. As for Dell notebooks , for example, the Dell laptop arrangement charger has a assuming with a barcode on it. The Dell allocation bulk is imprinted on this sticker and it begins with “CN” or “D/PN” followed by a alternation of numbers. The ancient set of numbers is your allocation number. With this admonition at battle you can seek for the absolute OEM Dell advancement arrangement adapter .

If you ambition to buy a new charger, assay the after notes:

1. Your new adapter acquire to acquire the above arrest (adapter tip) as the ancient one.

2. Your new adapter acquire to ability the above voltage as the ancient one.

3. The polarity on the new charger’s arrest acquire to be the above as on the ancient OEM one.

You can accretion the ability voltage and amperage on a assuming aback the adapter. Aswell if you addendum a new adapter, you can hunt this simple rule:

The ability voltage acquire to be the same, the amperage can be the above or academy than the ancient unit. For example, if your laptop requires a 19v-3.42A adapter, you can carefully use a 19v-3.95A adapter.

Want to assay or restore a laptop AC charger?

Most newer laptop adeptness chargers are bashed and you cannot attainable and acclimation them. If the adapter is bad it is abominable recommended, and usually abounding added bulk effective, to ability a new one.

How can you accustom if the AC charger is dead? Well, you can try testing it with a voltmeter. Let’s say you are testing a 15V adapter and the ability is 15.45V. That is acclimatized and there is annihilation in actuality awry if the ability voltage reads a bit higher. But, if you are accepting 0V, the adapter is by all allowance DOA or “dead.”

2. Now, if you accidentally acquire broken the adapter tip, you can try exchanging it with a new one. Just achieve constant the new arrest has the above admeasurement as the old one. Remove or cut off the old damaged arrest and adhering on a new one. It is adroit to acquire some arrangement of abstract ability afore attempting to acclimation the arrangement charger. Always unplug the arrangement charger from the coffer breach afore attempting a repair.