- Unplug the AC adapter from the wall outlet.
- Connect another device on the wall outlet to verify if the wall outlet is working correctly.
- Connect the AC adapter to a known-good wall outlet.
- Plug the AC adapter directly into the wall outlet.
How do I know which power adapter is compatible?
- The voltage of the adapter has to be identical. ...
- The amperage (amps) of the adapter has to be equal or greater than the device. ...
- The polarity of the adapter has to be identical.
Does it matter what power adapter I use?
The amperage provided by your charger must match or exceed what the device being charged requires. The amperage rating of a charger or power supply is the maximum it can supply. A device being charged will only take as much amperage as it requires.
Are there different types of AC adapters?
Input plug styles, or AC pin (blade) type for AC/DC adapters can be two conductors or three conductors. Two-conductor types include two round pin style, American flat pins, German round pin, etc. Three-conductor types include three-pin UK style, American flat pin / grounded, three round pins, etc.
Can AC adapters be repaired?
Power adapters can cost hundreds of dollars to replace, but they can often be repaired for free if you already have the necessary materials. The same thing can happen to the plug on any kind of power adapter, but it happens most frequently with notebook computer power supplies, especially ones with coaxial cords.
What do I do if my AC adapter isn't working?
Unplug the AC adapter from the wall outlet. Unplug the AC adapter from the computer. Check the AC adapter and cables (including the power cable) for any signs of physical damage or overheating. Check if the pin inside the plug or adapter port is bent, broken, or damaged.11 jun 2021