Lenovo S1 Yoga User Manual page 102

Computer screen problems
• Problem: The screen is blank.
Solution: Do the following:
– Press F7 to bring up the image.
– If you are using the ac power adapter, or using the battery and the battery gauge shows that the battery
is not depleted, press F6 to make the screen brighter.
– If your computer is in sleep mode, press Fn 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: Ensure 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. Right-click on the desktop, and click Personalize.
2. Click Display at the left.
3. Select Change display settings. Check whether the screen resolution is correctly set.
4. Click Advanced Settings.
5. Click the Adapter tab. Ensure 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.
6. Click the Properties button. If you are prompted for an administrator password or confirmation, type
the password or provide confirmation. Check the Device status box and ensure that the device is
working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.
7. Click the Monitor tab. Ensure 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.
8. Click the Properties button. If you are prompted for an administrator password or confirmation, type
the password or provide confirmation. Check the Device status box and ensure that the device is
working correctly. If not, click the Troubleshoot button and follow the instructions on the screen.
9. Click the Color Management tab. Check whether the color quality is correctly set, and ensure
that the other information also is correct. If you are prompted for an administrator password or
confirmation, type the password or provide confirmation. Check the Device status box and ensure
that the device is working correctly. If not, click the Troubleshoot button and follow the instructions
on the screen.
• Problem: Incorrect characters are displayed on the screen.
Solution: Did you install the operating system or application program correctly? If they are installed and
configured correctly, have the computer serviced.
• Problem: The screen stays on even after you turn off your computer.
Solution: Press and hold the power button for four seconds or more to turn off your computer; then
turn it on again.
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User Guide