Lenovo 183822U, 183825U Disabling the screen lock function, Power management, Screen blank mode

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4.Type your new password or PIN, or draw a new pattern. Confirm it by typing or drawing it for a second time.

5.Touch OK to save your change.

Disabling the screen lock function

To disable the screen lock function, 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 Location & Security ➙ Configure lock screen.

3.Touch Not secured. The screen unlock function is disabled.

Power management

To reduce power consumption, you can set the tablet into screen blank mode or disconnect the tablet from the wireless network.

Screen blank mode

To turn off the screen when the tablet is not in use, do either of the following:

•Press the power button once.

•Touch the screen lock widget to turn off the screen.

For more information about how to lock the screen, refer to “Locking the screen” on page 27.

•Configure the Timeout policy to turn off the screen automatically when the tablet is not in use. To configure the Timeout policy, 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 Screen.

3.Touch Timeout and then select when the screen will be turned off automatically if the tablet is not in use.

Note: The tablet screen turns off automatically after 30 minutes when the tablet is not in use.

To resume the tablet from screen blank mode, do either of the following:

•Press any key button.

•Touch the Unlock icon on the main Home screen to unlock the screen.

Note: If you have set up a screen unlock password, PIN, or pattern, type the password or PIN, or draw the pattern to unlock the screen. For more information about how to change or remove the password, PIN, or pattern, refer to “Disabling the screen lock function” on page 29.

Chapter 4. Related service information 29

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Contents ThinkPad Tablet Hardware Maintenance ManualFirst Edition August Copyright Lenovo Contents Ii Hardware Maintenance Manual About this manual Iv Hardware Maintenance Manual Electrical safety Safety informationGeneral safety Hardware Maintenance Manual Safety inspection guide Grounding requirements Safety notices multilingual translationsSafety information Hardware Maintenance Manual Perigo Perigo Safety information Vorsicht Vorsicht Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Safety information Hardware Maintenance Manual Important notice for replacing a system board Important service informationBefore replacing parts Strategy for replacing FRUsCustom Model Variant CMV Dynamic Configure To Order CTOUsing PEW FRU identification for CTO, CMV, and GAV productsImportant service information Hardware Maintenance Manual Be careful not to replace a non-defective FRU Following are not covered under warrantyGeneral checkout What to do firstChecking the internal battery condition Power system checkoutChecking the internal battery Checking the ThinkPad Tablet AC Charger Checking the internal battery statusHardware Maintenance Manual Locking the screen Related service informationResetting a tablet preload to the factory condition Touch Factory data resetTouch the Screen lock sounds icon Changing the password, PIN, or patternTouch Location & Security Configure lock screen Enabling the screen unlock functionDisabling the screen lock function Power managementScreen blank mode Touch Wireless & network Wi-Fi settings Wireless network disconnect policyHot key Description Hardware Maintenance Manual Plastic to plastic FRU replacement noticesScrew notices External CRU statement to customersRetaining serial numbers, MTM, UUID, and Asset ID Before servicing the ThinkPad Tablet Removing and replacing a FRURemoval steps of ThinkPad Tablet Pen ThinkPad Tablet PenThinkPad Tablet Pen on M2 × 4 mm, flat-head, nylon-coated Silver 181 Nm Kgfcm Step Screw quantity Color Torque Speaker assembly Removal steps of PCI Express Mini Card for wireless WAN PCI Express Mini Card for wireless WANRemoval steps of speaker assembly M2 × 3 mm, flat-head, nylon-coated Black 181 Nm Step Screw quantity Color Torque Removal steps of LCD module assembly LCD module assemblyRemoval steps of microphone assembly Microphone assemblyRemoval steps of system board and base cover System board, base cover, and LCD cableApplying labels to the base cover Removal steps of LCD cable Locating the controls and hardware components Hardware Maintenance Manual External CRU statement to customers Parts listOverall FRU FRU ThinkPad Tablet Keyboard Folio Case CRU ID Miscellaneous partsThinkPad Tablet AC Charger ThinkPad Tablet AC ChargerMicro-USB cable ThinkPad Tablet Dock power cord cableTool Common service toolsTrademarks Electronic emission noticesPage 0A96158

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