Lenovo U110 U110 User's Guide V1.0 - Page 73

Computer Screen Problems, The computer does not return from sleep mode, or the sleep

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Chapter 4. Troubleshooting The computer does not return from sleep mode, or the sleep indicator stays on and the computer does not work. If the computer does not return from sleep mode, it may have entered sleep or hibernation mode automatically because the battery is depleted. Check the sleep indicator. ƒ If the sleep indicator is on, your computer is in sleep mode. Connect the AC adapter to the computer; then press any key or the power button. ƒ If the sleep indicator is off, your computer is in sleep/hibernation mode or power-off state. Connect the AC adapter to the computer; then press the power button to resume operation. If the system still does not return from sleep mode, your system has stopped responding, and you cannot turn off the computer; reset the computer. Unsaved data may be lost. To reset the computer, press and hold the Power button for 4 seconds or more. If the computer is still not reset, remove the AC adapter and the battery. „ Computer Screen Problems The screen is blank. Do the following: ƒ If you are using the AC adapter, or using the battery, and the battery status indicator is on (is blue), press Fn + to make the screen brighter. ƒ If the Power indicator is in blinking blue, press any key or the Power button to resume from the sleep mode. 62

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Chapter 4. Troubleshooting
62
The computer does not return from sleep mode, or the sleep
indicator stays on and the computer does not work.
If the computer does not return from sleep mode, it may have entered
sleep or hibernation mode automatically because the battery is depleted.
Check the sleep indicator.
If the sleep indicator is on, your computer is in sleep mode. Connect
the AC adapter to the computer; then press any key or the
power
button.
If the sleep indicator is off, your computer is in sleep/hibernation
mode or power-off state. Connect the AC adapter to the computer;
then press the
power
button to resume operation.
If the system still does not return from sleep mode, your system has
stopped responding, and you cannot turn off the computer; reset the
computer. Unsaved data may be lost. To reset the computer, press and
hold the
Power button for 4 seconds or more. If the computer is still not
reset, remove the AC adapter and the battery.
Computer Screen Problems
The screen is blank.
Do the following:
If you are using the AC adapter, or using the battery, and the battery
status indicator is on (is blue), press
Fn +
to make the screen
brighter.
If the Power indicator is in blinking blue, press any key or the Power
button to resume from the sleep mode.