Lenovo E31-70 Laptop (English) User Guide - Lenovo E31-70 Laptop - Page 57

When I turn on the computer, nothing is displayed on the screen and

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The screen is blank. This indicates that the battery power is getting too low. Connect the AC power adapter to your computer and plug the other end of the AC power adapter into an electrical outlet. You also can solve the problem by replacing the battery with a charged one. If the problem persists, do the following: • If you are using the AC power adapter or using the battery pack, and the battery status indicator is on, press to increase the screen brightness. • If the power indicator is blinking, press the power button to resume the computer from sleep mode. • Check if the LCD backlight feature is enabled. • Check if the display device driver is installed correctly. • Check if the screen resolution and color quality are correctly set. • Check if the monitor type is correct. The screen is unreadable or distorted. Ensure that: • The display device driver is installed correctly. • The screen resolution and color quality are correctly set. • The monitor type is correct. Incorrect characters are displayed on the screen. Ensure that the operating system and programs are correctly installed on your computer. If the problem persists, contact your local Service Provider. When I turn on the computer, nothing is displayed on the screen and the computer does not beep while starting up. 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. • Press the power button again to ensure that the computer is turned on. If the problem persists, contact your local Service Provider. Chapter 7. Troubleshooting computer problems 39

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Chapter 7. Troubleshooting computer problems
39
The screen is blank.
This indicates that the battery power is getting too low. Connect the AC power
adapter to your computer and plug the other end of the AC power adapter into
an electrical outlet. You also can solve the problem by replacing the battery with a
charged one.
If the problem persists, do the following:
•
If you are using the AC power adapter or using the battery pack, and the
battery status indicator is on, press
to increase the screen brightness.
•
If the power indicator is blinking, press the power button to resume the
computer from sleep mode.
•
Check if the LCD backlight feature is enabled.
•
Check if the display device driver is installed correctly.
•
Check if the screen resolution and color quality are correctly set.
•
Check if the monitor type is correct.
The screen is unreadable or distorted.
Ensure that:
•
The display device driver is installed correctly.
•
The screen resolution and color quality are correctly set.
•
The monitor type is correct.
Incorrect characters are displayed on the screen.
Ensure that the operating system and programs are correctly installed on your
computer. If the problem persists, contact your local Service Provider.
When I turn on the computer, nothing is displayed on the screen and the
computer does not beep while starting up.
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.
•
Press the power button again to ensure that the computer is turned on.
If the problem persists, contact your local Service Provider.