Lenovo U350 Lenovo IdeaPad U350 UserGuide V1.0 - Page 62

Troubleshooting, Other problems, BIOS Setup Utility, Boot priority order

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Chapter 5. Troubleshooting Other problems The computer does not respond. The computer does not start from the desired device. 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 and the battery. • 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 BIOS Setup Utility. Make sure that Boot priority order in 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 BIOS Setup Utility, make sure that the device is included in the Boot priority order list. • Do not connect or disconnect any external device cables other than Plug and Play (PnP) device 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. 48

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48
Chapter 5. Troubleshooting
Other problems
The computer does not
respond.
•
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 and the battery.
•
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 computer does not
start from the desired
device.
•
See the
Boot
menu of
BIOS Setup Utility
. Make sure
that
Boot priority order
in
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
BIOS Setup Utility
, make sure that the device is
included in the
Boot priority order
list.
The connected external
device does not work.
•
Do not connect or disconnect any external device
cables other than Plug and Play (PnP) device 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.