Lenovo ThinkPad 13 User Manual page 43

Solution: If the computer does not return from sleep mode, it might have entered sleep mode
automatically because the battery is depleted. Check the system-status indicator (illuminated ThinkPad
logo).
– If the system-status indicator (illuminated dot in the ThinkPad logo) blinks slowly, your computer is in
sleep mode. Connect the Lenovo USB-C 45W AC 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 Lenovo USB-C 45W AC Adapter to the computer; then press the power button or
power key 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 or power key for eight
seconds or more. If the system is still not reset, remove the Lenovo USB-C 45W AC Adapter
• 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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Chapter 4 Troubleshooting computer problems
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