How to repair my power adapter
my power adapter not working
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Yes. More info indeed.
If - as I assume - it's a 5v mobile phone adaptor, and the previously mentioned items are OK and the output of the adaptor reads zero volts, then repairing the circuitry inside becomes a problem assuming once more it is a regulated or switching supply unit. Non-regulated supplies basically consist only of a few components (transformer, capacitor, resistors, led indicating light) and the faulty component could sometimes readily be visually spotted or measured and then replaced.
A bit of a futile exercise because these adaptors are cheap to buy and opening them is tricky because they are hermetically sealed and have to be carefully prised apart. However it can be done - except if it is an iPhone adapter which is almost impossible to open and if opened the components are so minute and tightly packed that testing/repair is out of the question.
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Try a different wall outlet and check the cable for any cuts or loose connectors. If it still won’t power on, the adapter is likely dead — most modern chargers aren’t repairable, so replacing it is usually the only safe fix.
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What is the make and model of your adapter? It could be a problem with the charger, the wires or the connectors on the charger or the device you are powering, a bad wall outlet, so more information is needed. Do you have a meter with which to perform tests?
by Juan Garcia
Can you share the make and model of the adapter? The issue could be the charger itself, the cable, the connector on the device, or even the wall outlet. More details would help narrow it down. If you have a multimeter, you could also test the output to see if it’s delivering the correct voltage.
by Joseph Noah