Lenovo ThinkPad T460s User Manual page 111

• Problem: When I turn on the computer, only a white cursor is displayed on a blank screen.
Solution: If you have modified a partition on your storage 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 cursor on the screen, do the following:
– If you have used partition software, examine the partition on the storage 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.
• Problem: The screen is blank.
Solution: Do the following:
– Press the display-mode switching key
– If you are using the ac power adapter, or using the batteries and the battery-status icon shows that the
batteries are not depleted, press the brightness-up key
– If your computer is in sleep mode, press power button to resume from the sleep mode.
– If the problem persists, follow the solution for the following problem.
• Problem: The screen is unreadable or distorted.
Solution: Make sure that:
– The display device driver is installed correctly.
– The screen resolution and color quality are correctly set.
– The monitor type is correct.
To check these settings, do the following:
1. Connect the external monitor to your computer, and then connect the monitor to an electrical outlet.
2. Turn on the external monitor.
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. Select the external monitor and set Resolution.
5. Do the following:
– For Windows 7: Click Advanced settings.
– For Windows 10: Click Display adapter properties.
6. Click the Monitor tab. Check the monitor information to make sure that the monitor type is correct.
If the monitor type is correct, click OK to close the window; otherwise proceed with the following steps.
to bring up the image.
to make the screen brighter.
.
Chapter 8 Troubleshooting computer problems
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