Lenovo V4400u Notebook User Manual
Page 51
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2. Select Startup ➙ Boot. Ensure that the device is included in the Boot Priority Order list.
3. Press F12.
4. When the Lenovo logo is displayed on the screen, select the device that you want the computer to
start from.
The connected external device does not work.
Ensure that:
• The external device is connected by USB cables while the computer is turned on; otherwise, your
computer might be damaged.
• When you are using a high-power-consumption external device such as an external USB optical drive,
ensure that you use the power cable that comes with the external device. Otherwise, the device might not
be recognized, or the computer might be turned off.
For more technical support information, go to:
Chapter 7
.
Troubleshooting computer problems
37
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