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• Touch the application icon from the action bar and then touch Settings. The Android Settings
screen is displayed.
2. Touch About tablet.
3. Touch Status ➙ Battery Condition. One of the following conditions might be displayed:
• Good
• Fair
• Poor
If the condition is Fair or Poor, replace the internal battery.
Checking the ThinkPad Tablet AC Charger
When you use the ThinkPad Tablet AC Charger to charge the tablet but no power is charged, see the
instructions in this topic to check the ThinkPad Tablet AC Charger.
To check the ThinkPad Tablet AC Charger, do the following:
1. Disconnect the micro-USB cable from the tablet.
2. Measure the output voltage across the connector marked B of the micro-USB cable. Refer to the
following figure:
Note: The output voltage across pin 3 of the micro-B connector might be different from the one you are
servicing.
3. If the voltage is not correct, replace the micro-USB cable.
4. If the voltage is acceptable, replace the system board.
Checking the internal battery status
To check the battery status of the tablet, do either of the following:
• Approximate information about the battery status
Get the approximate status of the battery at any time by checking the battery status icon on the system
bar in the lower-right corner of the screen. The shorter the blue bar is, the less the battery power remains.
• Accurate information about the battery status
To get the accurate information about the battery status of the tablet, do the following:
1. Open the Android Settings screen.
To open the Android Settings screen, do either of the following:
– From the main Home screen, touch the Android Settings icon on Lenovo Launch Zone. The
Android Settings screen is displayed.
– Touch the application icon from the action bar and then touch Settings. The Android Settings
screen is displayed.
2. Touch About tablet on the Android Settings screen.
3. Touch Status to view the accurate percentage of the remaining battery power. You also can touch
Battery use to check what applications are consuming battery power.
Pin
Voltage (V dc)
1
Ground
2
0
3
+5
.
Chapter 3
General checkout
25
Table of Contents
