Lenovo ThinkPad 11e 3rd Gen User Manual page 96

– 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 10 operating system, do the following:
1. Go to Control Panel and ensure that you view Control Panel by Category.
2. Click Hardware and Sound ➙ Power Options ➙ High performance.
3. Show the additional plans and choose High performance.
• Problem: The screen is blank.
Solution: Do the following:
– Press the display-mode switching key
– 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: 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. Then turn on the computer and listen again.
Solution: Ensure that:
– The ac power adapter is connected to the computer and the power cord is connected to a working
electrical outlet.
– The computer is turned on. (Press the power button again for confirmation.)
– The brightness level of the screen is appropriately set.
If a power-on password is set, press any key to display the prompt for the power-on password and
then 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.
Solution: If you have modified a partition on your internal 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 pointer on the screen, do the following:
– If you have used the partition software, examine the partition on the internal 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: 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.
to bring up the image.
Chapter 7
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Troubleshooting problems
85