Lenovo Flex 10 Notebook Lenovo - Manual (Page 28)

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Chapter 3. Troubleshooting
Battery problems
Your computer shuts down
before the battery status
indicator shows empty.
-or-
Your computer operates after
the battery status indicator
shows empty. • Recharge the battery.
Other problems
Your computer does not
respond. • To turn off your computer, press and hold the Power button
for five 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.
The connected external device
does not work. • 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 disk drive, use an external device
power adapter. Otherwise, the device may not be
recognized, or the system may shut down as a result.