you go to a store
Buy a new mac
Your charger may be shot. Remove the battery and plug in the charger. If your computer does not power up, it's the charger.
try getting a new charger
about a year or two, then it will start to die really fast without a charger
A cell phone usually works better with a portable wall charger. Connecting a USB into a cell phone from a mac or computer May cause the USB port to fall asleep when the mac or computer goes into sleep mode.
No, you cannot use an Air charger with a Macbook Pro. It has a different power rating (watts). New Macbook Pros and Airs also feature a different, smaller connector for power (Magsafe 2).
They sell an Apple World Travel Adapter Kit. Not sure if it will work on a Macbook Pro. If not then Best Buy can get you a charger or you can order one directly from the Apple store.
A charger does use power when not charging the computer if it is plugged in. Not as much, but definitely some. How much depends on many factors. It is a good idea to unplug it.
Try holding down the option key after pushing the power button.
A typical MacBook charger weighs between 0.5 to 1 kilogram, depending on the wattage and model. The 30W USB-C charger for MacBook Air weighs around 0.3 kg, while the 61W and 87W chargers for MacBook Pro models are closer to 0.5 kg. Overall, the weight can vary slightly based on the specific charger model.
If it the acutal kindle you can hook up the chord to it. I use my camera chord. something that fits in to the place u usually put the charger.
It definitely depends on the type of computer that you are using. A Mac charger can cost up to $120, while a Dell charger may only cost up to $50. The prices are quite variable so it's difficult to say what the average price would be.