Lenovo ThinkPad X1 User Manual page 70

• 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.
Failed to play a song, video, or other media file?
Ensure that the media file is not corrupted.
External device connection problem
Failed to detect an external display?
Tap and hold (right-click) anywhere on the desktop, then tap Screen resolution/Display settings ➙ Detect.
Failed to locate Bluetooth devices?
Ensure that:
• Your computer Bluetooth is switched on.
• The Bluetooth feature is activated on the device to which you want to connect.
• Your computer and the Bluetooth device are within the maximum Bluetooth signal range (10 m, 32.8 feet).
Screen problem
Slow or improper responding from the multi-touch screen?
1. Ensure that your hands are clean and dry when touching the screen.
2. Restart your computer to try again.
Blank screen when the computer is operating?
Disable any system timers, such as the liquid crystal display (LCD) turn-off timer or the blank timer, by doing
the following:
1. Go to Control Panel. For information about accessing the Control Panel, see "Accessing computer
settings" on page 21.
2. Tap System and Security ➙ Power Options ➙ Balanced.
3. Follow the instructions on the screen.
White pointer on a blank screen after power-on?
1. Turn off the computer, and then turn it on again.
2. If you still see only the pointer on the screen, use the recovery solutions to restore the system to the
factory state.
Blank screen when the computer is on?
Your screen saver or power management might have been enabled. Do either of the following:
• Tap the computer screen to exit the screen saver.
• Press the power button to resume from sleep mode.
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Tablet / Tablet Gen 2 User Guide