How would you fix a game boy advance video game if the internal battery ran dry

If you use an emulator and a ROM, then click on this link and you may find the answer:

http://www.vbalink.info/internal-battery-has-run-dry-fix.htm However, if you use an actual game cartridge, then you will have to disassemble the cartridge (unscrew the screw on the back) and then replace the battery.