battery wont charge

[kel71]

i cant get a charge. plug in to wall charger a question mark pops up on screen. tried usb on computer. says 0. was plugged in all day

[tikibar1]

See if this helps:

Ellipsis 8 Showing Battery with a Question Mark Symbol

[SMITCH1]

Hold down the power button for about 10 seconds. While hold the power button connect the power cord into the unit, release the power button. You may have to try it another power supply. Good Luck!