Lenovo ThinkPad T460s User Manual page 113

• Problem: When I turn on the computer, only a white pointer is displayed on a blank screen.
Solution: If you have modified a partition on your solid-state drive by using partition software, information
about that partition, or the master boot record might have been destroyed.
Do the following to try to solve the problem:
1. Turn off the computer, and then turn it on again.
2. If you still see only the pointer on the screen, do the following:
– If you have used partition software, examine the partition on the solid-state drive by using the
software, and recover the partition if required.
– Use the recovery solutions to restore the system to the factory default state.
If the problem persists, have the computer serviced.
• Problem: My screen goes blank while the computer is on.
Solution: Your screen saver or power management might have been enabled. Do one of the following:
– Touch the TrackPoint pointing device or the trackpad, or press a key to exit the screen saver.
– Press the power button to resume the computer from sleep or hibernation mode.
External display problems
• Problem: The external display is blank.
Solution: To bring up the image, press the display-mode switching key
display. If the problem persists, do the following:
1. Connect the external display to another computer to make sure that it works.
2. Reconnect the external display to your computer.
3. Refer to the manual shipped with the external display to check the resolutions and refresh rates that
are supported.
– If the external display supports the same resolution as the computer display or a higher resolution,
view output on the external display or on both the external display and the computer display.
– If the external display supports a lower resolution than the computer display, view output on the
external display only. (If you view output on both the computer display and the external display,
the external display 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 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 display).
5. Do the following:
– For Windows 7: Click Advanced settings.
and select the desired
.
Chapter 8 Troubleshooting computer problems
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