Recovering From A Severe Software Problem - Lenovo ThinkPad 1838 User Manual

Suggested solution: If you cannot turn off your tablet by pressing and holding the power button, insert

a straightened paper clip into the emergency reset hole to turn it off. To locate the emergency reset

hole, see "Tablet layout" on page 1.

Media problems

• Problem: The audio quality is poor or there is no sound output.

Suggested solution: Check and make sure that:

– The speaker is not covered.

– The speaker mute function is disabled.

– If you are using a headset, unplug it, then plug it in again.

– The volume is not turned to the lowest level.

If the problem persists, contact Lenovo for technical support.

• Problem: A song, video, or other media file cannot be played.

Suggested solution: Check and make sure that the media file is not corrupted.

External device connection problems

• Problem: A connection is not established when you connect the tablet to a computer.

Suggested solution: Ensure that the computer USB cable you are using is compatible with your tablet.

Also ensure that the USB cable is connected to the micro-USB connector of your tablet.

• Problem: Bluetooth devices cannot be located.

Suggested solution: Make sure that:

– The Bluetooth wireless feature is activated on your tablet.

– The Bluetooth wireless feature is activated on the device to which you want to connect.

– Your tablet and the Bluetooth device are within the maximum Bluetooth range (10 m).

If the problem persists, contact Lenovo for technical support.

• Problem: The image cannot be mirrored on the external display.

Suggested solution: Make sure that:

1. The external display is powered on.

2. The external display is connected to your tablet through the mini HDMI connector.

If the problem persists, contact Lenovo for technical support.

If your tablet stops responding and you cannot turn off the tablet by pressing holding the power button,

insert a straightened paper clip into the emergency reset hole to reset the tablet. Then restart your tablet.

To locate the emergency reset hole, see "Tablet layout" on page 1.

If you still encounter the same problem after you restart your tablet, reset your tablet and restart it again, and

then perform a factory data reset operation by doing the following:

1. From the main Home screen, touch the Android Settings icon

applications icon

2. Touch Privacy ➙ Factory data reset.

3. Touch Reset system. This action will erase all data from your tablet including your Google Accounts,

application and system settings, and downloaded applications.

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User Guide

from the action bar and then touch Settings. The Android Settings screen opens.

on Lenovo Launch Zone, or touch the