If reinserting the battery doesn't work and your charger is still flashing red and ... air or mild soap and a damp cloth, but do not use abrasive cleaning agents or solvents because they could ...

The power adapter may be either loose or not working. Check if the laptop is charging with another power adapter. Read: How to fix Battery drain issues. 2] Open the battery compartment and clean ...

Simply shut down your laptop while still in charging mode. Restart and see if it helps. If not, follow the given methods. One might work for you if your battery percentage is not increasing.

This means your battery slowly depletes, even if it is plugged in. However, you do not have to use Apple-branded accessories. Fastest charging speeds can also be achieved by any third-party ...