NOTE: You, the customer, are solely responsible for data security. WinBook strongly recommends that you perform a backup of all personal data contained on your system prior to performing this procedure. Warning: WinBook will NOT be held responsible for any data loss incurred during this process.

If you are no longer getting full life from your battery or are getting a message that states "BATT1 GAUGE UNSURE" then you may need to re-calibrate your battery. Follow this procedure to do so:

1. Shutdown the WinBook FX. From Start choose Shutdown, and then choose Shutdown the computer.
2. With the A/C adapter plugged into the unit, turn the unit on and start tapping the F2 key to enter the BIOS setup.
3. In the BIOS setup, use the right arrow key to go to the Power menu.
4. Go down to the PM Control option by using down arrow key.
5. Tap your + key until PM Control is set to OFF.
6. Press the Esc key and then press the Enter key to Save Changes & Exit.
7. The unit now will reboot into Windows 95.
8. When the unit is done booting, click on the Start button, then click Shutdown. Choose the Restart in MS-DOS mode option.
9. Unplug the A/C adapter from the unit.
10. Let the unit sit at the C:\ prompt until the battery runs down.
11. Once the unit turns off remove the battery pack from the unit.
12. Let the unit and the battery pack cool for about 20 minutes.
13. After 20 minutes, plug the A/C adapter into the unit.
14. Turn the unit on without the battery pack in the unit.
15. When the unit is done booting click on the Start button and then click on the Restart in MS-DOS mode option.
16. Insert the battery pack into the unit while the unit is on. Let the unit sit for 5 minutes and then press the OFF button. Let unit charge for 3 hours before turning back on. Steps 2 through 15 should be done two more times for optimal performance.

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Disclaimer: This information is being provided to you as a service from the Technical Support Department of WinBook Computers. It is intended to assist you in the resolution of your technical problems or questions. If you feel uncomfortable implementing any of the information or suggestions contained herein then you should e-mail the WinBook Technical Support Department. WinBook will not be held responsible for any loss of information, data or programming as a result of the use of this TechNote.