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Lenovo ThinkPad S1 Yoga Hardware Maintenance Manual
Also see for Thinkpad s1 yoga: User guideHardware Maintenance ManualUser guideSafety, warranty, and setup guideSafety, warranty, and setup guide
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Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, andprovides no warranties for failures or damage arising out of their use.The battery status icon in the Windows notification area displays the percentage of the remaining batterypower.To check for detailed battery status information, do the following:• For Windows 7: Open the Power Manager program and click the Battery tab.• For Windows 8.1: Open the Lenovo Support program and click Battery Health, or open the LenovoSettings program and click Power.To check whether the battery charges properly during operation, do the following:1. Discharge the battery until the remained battery power is less than 50%.2. Connect the computer to ac power to charge the battery. If the battery status icon in the Windowsnotification area indicates that the battery is not charging, remove the battery and let it return to roomtemperature.3. Reinstall the battery. If the battery is still not charging, replace the battery.4. Check the battery status icon again. If the same error still exists, replace the system board.Checking the coin-cell batteryTo check the coin-cell battery, do the following:1. Disable the built-in battery. See “Disabling the built-in battery” on page 58.2. Remove the coin-cell battery. See “1110 Coin-cell battery” on page 74.3. Measure the voltage of the coin-cell battery. See the following illustration.Wire Voltage (V dc)Red +2.5 to +3.2Black Ground• If the voltage is correct, replace the system board.• If the voltage is not correct, replace the coin-cell battery.• If the coin-cell battery discharges quickly after replacement, replace the system board.28 Hardware Maintenance Manual |
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