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Lenovo ThinkPad Stack User Manual page 14

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The audio output is switched from the projector to the external monitor.
Ensure that the external monitor is equipped with internal or external speakers.
Problem: The projected image displays in a trapezoid shape.
Solution: Go to the Settings page of the projector. Then enable Auto Keystone Correction
or set the Manual Keystone Correction value.
Problem: There is response delay or mosaic during the video play through Cast screen.
Solution: Reduce the distance between your phone or computer and projector.
Problem: The projector does not recognize the stacked hard disk drive.
Solution: Ensure that:
The hard disk drive is correctly and directly stacked with the projector.
The hard disk drive is not stacked with a router.
Problem: The projector fans become noisy.
Solution: Ensure that:
The projector vents are not blocked.
The projector is not stacked with a power bank.
Problem: The projector turns off unexpectedly.
Solution: Ensure that the projector is well-ventilated. Allow the projector to cool down and
then turn on the projector.
Problem: The ac power adapter cannot charge the projector when the projector is
stacked with a power bank.
Solution: The power bank has the priority of charging. To solve the problem, remove the
power bank from the projector.
First Edition (August 2016)
© Copyright Lenovo 2016.
Lenovo, the Lenovo logo, and ThinkPad are trademarks of Lenovo in the United States, other countries,
or both.
Intel is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
Microsoft and Windows are trademarks of the Microsoft group of companies.
The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered
trademarks of HDMI Licensing LLC in the United States and other countries.
Other company, product, or service names may be trademarks or service marks of others.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General
Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set
forth in Contract No. GS-35F-05925.



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