Canon G11 won't start

Possible Solutions.
1. Charge the battery
2. If still not turning on, try using a little rubbing alcohol and wiping the battery terminal(s) on the battery and the battery terminals in the camera. Use a QTip and allow to completely dry before recharging the battery or inserting it into the camera.
2. Replace the battery with new one.
3. On/Off switch may be defective on camera. Charger may be defective. Wire connecting power from charger to wall socket may be improperly connected or loose.