Lenovo S1 Yoga User Manual

Contents

Battery and power problemsThis topic contains instructions on troubleshooting battery and power problems.Battery problems• Problem: The built-in battery cannot be fully charged in the standard charge time when the computer ispowered off.Solution: The battery might be over-discharged. Do the following:1. Turn off the computer.2. Connect the ac power adapter to the computer and let it charge.If a quick charger is available, use it to charge the over-discharged built-in battery.If the built-in battery cannot be fully charged in 24 hours, call Lenovo Customer Service Center to haveit serviced.• Problem: Your computer shuts down before the battery status icon shows that the battery is empty, orthe computer operates after the battery status icon shows that the battery is empty.Solution: Discharge and recharge the built-in battery.• Problem: The operating time for a fully charged built-in battery is short.Solution: Discharge and recharge the built-in battery. If your battery operating time is still short, callLenovo Customer Service Center to have it serviced.• Problem: The computer does not operate with a fully charged built-in battery.Solution: The surge protector in the built-in battery might be active. Turn off the computer for one minuteto reset the protector; then turn on the computer again.• Problem: The built-in battery cannot be charged.Solution: You cannot charge the battery when it is too hot. Turn off the computer and allow it to cool toroom temperature. After it cools, recharge the battery. If it still cannot be charged, call Lenovo CustomerService to have it serviced.An ac power adapter problemProblem: The ac power adapter is connected to the computer and the working electrical outlet, but thepower adapter (power plug) icon is not displayed on the taskbar. Also the system status indicator does notblink.Solution: Do the following:1. Ensure that the connection of the ac power adapter is correct. For instructions on connecting the acpower adapter, see Safety, Warranty, and Setup Guide that comes with your computer.2. If the connection of the ac power adapter is correct, turn off the computer, then disconnect the acpower adapter.3. Reconnect the ac power adapter, then turn on the computer.4. If the power adapter icon still is not displayed on the taskbar and the system status indicator does notblink, have the ac power adapter and your computer serviced.Note: To display the power adapter (power plug) icon, click Show hidden icons on the taskbar.Power problemsPrint these instructions now and keep the instructions with your computer for reference later.92 User Guide