Sometimes a Dell laptop will refuse to charge a battery, or won’t recognize the battery. That **could** be because the battery is dead, or the laptop doesn’t recognize the off-brand battery you bought – but it could also be because the sensor chip in the battery has gotten confused.
Here is how to reset it. It takes no tools, and just a few minutes.
Contrary to popular belief, turning bluetooth off does NOT extend your battery life.
Leaving it on means less hassle in the classroom for you [as more teachers use Apple Classroom], AND Find My iPad s FAR more accurate with Bluetooth turned on.
Want to REALLY save battery? The best thing it to turn down your backlight – BUT NOT SO DIM THAT YOU CAN”T SEE IT!
