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Problem
Solution
• 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 a device you want.
1. Check the settings under Boot menu of the BIOS.
Make sure that the Boot Priority Order option starts
from the device you want.
2. Also make sure that the device from which the
computer starts is enabled. Under the Boot menu,
make sure that the device is included in the Boot
Priority Order list.
3. Press F12 when the Lenovo logo appears on the
screen while the computer is starting up to select the
device you want the computer starts from.
The connected external device does not work. Make sure that:
• Do not connect or disconnect any external device
cables other than USB cables while the computer
is turned on; otherwise, you might damage your
computer.
• When using a high power consumption external
devices such as an external USB optical drive, use
external device power adapter. Otherwise, the device
may not be recognized, or the system might be turned
off.
For more technical support, please go to
http://consumersupport.lenovo.com
Chapter 5. Troubleshooting 27