Lenovo ThinkPad 11e 3rd Gen User Manual page 98

Solution: To bring up the image, press the display-mode switching key
monitor. If the problem persists, do the following:
1. Connect the external monitor to another computer to make sure that it works.
2. Reconnect the external monitor to your computer.
3. Refer to the manual shipped with the external monitor to check the resolutions and refresh rates that
are supported.
– If the external monitor supports the same resolution as the computer display or a higher resolution,
view output on the external monitor or on both the external monitor and the computer display.
– 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: Ensure that the monitor information is correct. Do the following:
1. 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. Then click
Advanced display settings.
Note: If your computer cannot detect the external monitor, click the Detect button.
2. Click the icon for the desired monitor (the Monitor-2 icon is for the external monitor).
3. Do the following:
– For Windows 7: Click Advanced settings.
– For Windows 10: Click Display adapter properties.
4. Click the Adapter tab. Make sure that the correct device driver name is shown in the adapter
information window.
Note: The device driver name depends on the video chip that has been installed on your computer.
5. Click OK.
If the information is incorrect, reinstall the device driver.
– Check the monitor type and, if necessary, update the driver 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. 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.
and select the desired
.
Chapter 7 Troubleshooting problems
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