Lenovo ideapad D330 User Manual page 30

Other problems
Your computer does not respond.
The connected external device does not work.
24
User Guide
• To turn off your computer, press and hold the Power
button for eight seconds or more. If the computer still
does not respond, remove the AC power adapter.
• Your computer might lock when it enters sleep mode
during a communication operation. Disable the sleep
timer when you are working on the network.
• Do not connect or disconnect any external device
cables other than USB while the computer power is on.
Otherwise, you might damage your computer.
• When using high power consumption external devices,
such as an external USB optical drive, use an external
device power adapter. Otherwise, the device may not
be recognized, or the system may shut down as a
result.