Lenovo ThinkPad Yoga 460, User Manual

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– If the external monitor supports a lower resolution than the computer display, view output on the
external monitor only. (If you view output on both the computer display and the external monitor,
the external monitor screen will be blank or distorted.)
• Problem : You cannot set a higher resolution than the present one on your external monitor.
Solution : Make sure that the monitor type and other information is correct. If necessary, update the
monitor driver. See “Using an external display” on page 42.
• Problem : The screen is unreadable or distorted.
Solution : Make sure that:
– The monitor information is correct and the appropriate monitor type is selected. Refer to the solution
to the above problem.
– Make sure that an appropriate refresh rate is selected by doing the following:
1. Connect the external monitor to the monitor connector, and then connect the monitor to an
electrical outlet.
2. Turn on the external monitor and the computer.
3. Right-click on the desktop, and do the following:
– For Windows 7: Click Screen resolution .
– For Windows 10: Click Display settings , show the displayed window in full screen, and then
click Advanced display settings .
Note: If your computer cannot detect the external monitor, click the Detect button.
4. Click the icon for the desired monitor (the Monitor-2 icon is for the external monitor).
5. Do the following:
– For Windows 7: Click Advanced settings .
– For Windows 10: Click Display adapter properties .
6. Click the Monitor tab.
7. Select the correct screen refresh rate.
• Problem : Wrong characters are displayed on the screen.
Solution : Did you follow the correct procedure when installing the operating system or application
program? If you did, have the external monitor serviced.
• Problem : The Extend desktop function does not work.
Solution : Enable the Extend desktop function by doing the following:
1. Connect the external monitor to the monitor connector, and then connect the monitor to an electrical
outlet.
2. Turn on the external monitor and the computer.
3. Right-click on the desktop, and click Screen resolution .
4. Click the Monitor-2 icon.
5. Select Extend these displays for multiple displays.
6. Click the Monitor-1 icon (for the primary display, the computer display).
7. Set the resolution for the primary display.
8. Click the Monitor-2 icon (for the external monitor).
Chapter 8
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Troubleshooting computer problems
101