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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.