Lenovo IdeaPad Yoga 13 Manuel de l'utilisateur - Page 37

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Lenovo IdeaPad Yoga 13 Manuel de l'utilisateur
Other problems
Your computer does not
respond.
The computer does not
start from a device you
want.
The connected external
device does not work.
• To turn off your computer, press and hold the power
button for 4 seconds or more. If the computer still
does not respond, remove the AC 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.
• See the Boot menu of the BIOS setup utility. Make
sure that the UEFI in the BIOS setup utility is set so
that the computer starts from the device you want.
• Also make sure that the device from which the
computer starts is enabled. In the Boot menu in the
BIOS setup utility, make sure that the device is
included in the UEFI list.
• While powered-off, press Novo button to select the
device you want the computer starts from.
• 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 a high power consumption external
devices such as an external USB optical disk drive,
use external device power adapter. Otherwise, the
device may not be recognized, or system shut down
may result.
Chapter 4. Troubleshooting
33