If you are not getting power to your MacBook, you need to know how to check if your MacBook power adapter not working. Of course, one of the best indications of a problem is when the power adapter doesn’t charge the computer. If your battery dies and you cannot get a charge on it, check the power adapter before replacing the battery. Another common indicator of a problem is the LED light on the adapter doesn’t light up when you attach it to the computer. Some may see the power adapter charging the battery intermittently. Others may actually see the insulation separating from around the end of the connector. Any of these may indicate the need to replace the adapter.
Here are some items to check in learning how to check if your MacBook power adapter not working. Make sure the power adapter is in a good outlet. The easiest way to check this is to plug a lamp into the outlet and make sure it works properly. If the outlet is not working properly, the battery will not receive the charge it needs. Make sure the outlet carries the proper wattage for the adapter. If the wattage is too low, it can cause the adapter to have operational issues. Check to see if the outlet is on a circuit with another electrical device which feeds noise into the line. This can include refrigerators or ballast lights. The line noise triggers the adapter’s protection protocol because it mimics ground noise. This shuts the adapter down. Put the adapter on a UPS to prevent this problem.
Make sure you are using the right adapter to your computer. This is basic in how to check if your MacBook power adapter not working. You can use a higher wattage adapter on your MacBook, but one with a lower wattage. If your adapter’s wattage is too low, then it can cause problems with battery charge. Another thing to check on your adapter is the AC connectors. Switch the AC cord for the AC plug, or vice versa. If one works and the other doesn’t then it’s a problem with that part, not the adapter itself.
One final thing to consider, in how to check if your MacBook power adapter not working is the cord going from the adapter to the computer. If you see the cord’s insulation starting to part or pull away from the connectors, you may have damage in this cord. You can check this by plugging it into the computer and wiggling the cord. If the LED goes on and off, then you have a damaged cord.