Lenovo ThinkPad Yoga 14, User Manual

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device is working correctly. If the device is not working correctly, click the Troubleshoot button and
follow the instructions on the screen.
Note: The device driver name depends on the video chip that has been installed on your computer.
5. Click the Color Management tab, and then click the Color Management button. In the displayed
Color Management window, click the Advanced tab and ensure that the settings in the Windows
Color System Defaults area are set as desired. If you are prompted for an administrator password or
confirmation, type the password or provide confirmation.
• 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.
• Problem : Missing, discolored, or bright dots appear on the screen every time you turn on your computer.
Solution : This is an intrinsic characteristic of the TFT technology. Your computer display contains
multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen
might exist all the time.
• Problem : My screen keeps blanking when I do not want it to.
Solution :
– If your computer is preinstalled with the Windows 7 operating system, you can disable any system
timers, such as the LCD turn-off timer or the blank timer by doing the following:
1. Start Power Manager.
2. Click the Power plan tab, and then select Maximum Performance from the predefined power
plans.
– If your computer is preinstalled with the Windows 8.1 operating system, doing the following:
1. Go the desktop and click the battery-status icon in the windows notification area.
2. Click More power options ➙ Show additional plans ➙ High performance .
• Problem : When I turn on the computer, nothing is displayed on the screen and the computer does not
beep while starting up.
Note: If you are not sure whether you heard any beeps, turn off the computer by pressing and holding the
power button for four seconds or more. Turn it on and listen again.
Solution : Ensure that:
– The battery is installed correctly.
– The ac power adapter is connected to the computer and the power cord is plugged into a working
electrical outlet.
– The computer is turned on. (Turn the power button on again for confirmation.)
If a power-on password is set:
– Press any key to display the prompt for the power-on password. If the brightness level of the screen is
low, increase it by pressing the brightness-up key .
– Type the correct password and press Enter.
If these items are correctly set, and the screen remains blank, have the computer serviced.
• Problem : When I turn on the computer, only a white pointer is displayed on a blank screen.
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User Guide