subject: How to Test a Laptop AC Adapter [print this page] Laptops are powered possibly by their batteries or by connecting to some energy adapter and plugging the adapter to the wall. When utilizing an adapter, the adapter is supplying energy towards computer and charging the battery at precisely the same time. computer energy adapters, also referred to as "AC adapters," are usually little bins with two cords coming away from them; a single finish connects towards laptop, as properly as the other finish plugs in to a energy outlet on the wall or perhaps a energy strip. You can analyze the Dell pa-10 ac adapter to determine if it is producing energy for that laptop.
Instructions
1
Plug the adapter to the wall outlet or energy strip. If utilizing a energy strip, make certain the strip is on. Most computer energy adapters possess a little LED light; the gentle will illuminate when energy is becoming transferred from your outlet towards adapter. when the gentle illuminates, probabilities have you been have adequate energy to provide your laptop.
2
Wiggle the energy cord when the LED gentle do not in the beginning illuminate. when the gentle turns on and away while you wiggle it, you may possess a loose cord during the adapter, or even the outlet might be faulty.
3
Plug the adapter into an additional energy outlet, preferably a distinct circuit in an additional room, when the LED gentle do not illuminate the earliest time. If it lights up from your 2nd outlet, the earliest outlet possibly does not operate or other equipment have been utilizing as well a good deal energy within the original circuit.
4
Connect another finish on the adapter towards computer and turn the computer on. once the pc begins up, you must see an indication of how the computer is becoming powered during the decrease right-hand corner. in the occasion you see a battery icon, then the computer is becoming powered through the battery, not the adapter. make certain equally ends on the adapter are securely connected. If they are, and when the LED gentle within the adapter is lit, then you definitely in all probability possess a faulty cable that is not correctly connecting for your computer. in the occasion you see a plug or adapter icon, then the computer is effectively becoming powered through the adapter. when the LED gentle within the adapter is not lit, then the bulb is out, however the adapter is nevertheless working.
