A broken power charger is a serious concern for laptop owners. With no charger, a laptop is essentially crippled, with the battery slowly losing its charge until it finally dies altogether. Though Apple's MagSafe laptop chargers are typically hassle-free, they will occasionally cease to work. But fear not: a malfunctioning power charger may not necessarily be broken. With some fine-tuning, most MagSafe chargers can be salvaged.
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Check the outlet the charger is plugged into. Try switching to another outlet, or resetting the current outlet.
Unplug the charger from the computer and take a close look at the cord. If there are any noticeable tears in the cord, that is likely the cause of the malfunction, and it will need to be replaced.
Plug in the charger and feel the length of the cord. If any part feels particularly warm, then it has likely shorted out or been cut.
Bend the affected area back and forth. If you can get the laptop to charge when the cord is held a certain way, use a plastic straw or another rigid kind of plastic to immobilise the cord. If it fails to charge no matter the position, it needs to be replaced.
Look at the prongs that connect the charger into the wall. If they are uneven, or one fails to retract from its holster, than try to wedge them back into place or make them even.
Check that the plastic holster that holds the prongs is fully attached to the power adaptor body. Do this by pushing on the holster with your fingers.
Tips and warnings
- Buying a new power adaptor is expensive. Don't be afraid to use a jury-rigged solution if it saves you from replacing the adaptor.
- If you see that any parts of the adaptor are melted, or if sparks come out of the adaptor at any point during your inspection, take it back to an authorised Apple dealer for professional support.
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