1. Unplug AC power adapter
2. Remove battery
3. Hold down the power button for more than 30 seconds
4. Plug everything back in
5. Power on the laptop
1. Unplug AC power adapter.
2. Locate the battery reset pinhole on the bottom of the computer.
3. Insert a small paperclip in the battery reset pinhole. Hold the reset button for 4 seconds.
4. Let the computer sit for 5 minutes with no power.
5. Connect the AC adapter and power on the system.