Before servicing the tablet
Before you service this tablet, do the following:
•
Disabling the built-in battery
To disable the built-in battery, do the following:
1. Remove the ac power adapter and all the external devices.
2. Restart the tablet. Immediately press and hold the volume-up button until the ThinkPad Tablet
Setup program starts.
3. Tap
Config
➙
Power
to display the
Power
menu items.
4. Tap
Enter
next to the
Disable Built-in Battery
item.
5. A confirmation message is displayed. Tap
Yes
to disable the built-in battery and to turn off the tablet.
Wait three to five minutes to let the tablet cool.
•
Removing the micro SIM card and the micro-SIM-card tray
If the tablet you are servicing has a micro Subscriber Identity Module card (micro SIM card) installed,
remove the micro SIM card.
2
1
2
•
Removing the USB 3.0 connector cover
46
ThinkPad 10 Hardware Maintenance Manual
Summary of Contents for 20E3
Page 1: ...ThinkPad 10 Hardware Maintenance Manual Machine Types 20E3 and 20E4 ...
Page 9: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Page 10: ...DANGER 6 ThinkPad 10 Hardware Maintenance Manual ...
Page 38: ...2 3 4 5 6 2 7 8 Chapter 7 Removing or replacing a FRU 49 ...
