Lenovo 628323U manual Problem Your computer does not enter sleep mode

If the battery is charged and the temperature is within range, have the computer serviced.

•Problem: A critical low-battery error occurs, and the computer immediately turns off.

Solution: The battery power is getting low. Connect the ac power adapter to the computer and plug it into an electrical outlet, or replace the battery with a charged one.

•Problem: The computer does not return from sleep mode, or the system status indicator (illuminated dot in the ThinkPad logo) blinks slowly and the computer does not work.

Solution: If the system does not return from sleep mode, it might have entered sleep mode automatically because the battery is depleted. Check the system status indicator (illuminated dot in the ThinkPad logo).

–If the system status indicator (illuminated dot in the ThinkPad logo) blinks slowly, your computer is in sleep mode. Connect the ac power adapter to the computer; then open the computer screen.

–If the system status indicator (illuminated dot in the ThinkPad logo) is off, your computer is in power-off state. Connect the ac power adapter to the computer; then press the power button to resume operation.

If the system still does not return from sleep mode, your system might stop responding and you might not be able to turn off the computer. In this case, you need to reset the computer. If you have not saved your data, it might be lost. To reset the computer, press and hold the power button for eight seconds or more. If the system is still not reset, remove the ac power adapter and the battery.

•Problem: Your computer does not enter sleep mode.

Solution: Check whether any option has been selected to disable your computer from entering sleep mode.

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