Battery won't charge

[Ja Di ksw]

Hi all,
I'm helping out a friend who got a MacBook Pro on my recommendation, and now it's not working 🙁. Her battery icon at the top of the screen has an x on it and says there's no battery in the computer, even though there is. The battery doesn't appear to be charging, because she said yesterday it had a full charge and now not all the dots light up when it is pressed. I did the battery update for her, but no change.

Any ideas?

Thanks.

 

[pianoman]

first, make sure the battery update was actually installed.

if the battery update didn't fix it, call Apple to get a replacement.

 

[Ja Di ksw]

Replace what, the battery or the computer? I'm not sure which one is broken. The battery still gives a readout (on the actually battery itself, the little lights that glow) and seems ok. How do I know if the battery is faulty or if the computer is without a spare to test?