Lenovo IdeaPad Z510 Notebook - Manual (Page 33)

Chapter 4. Troubleshooting
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The computer does not start
from a device you want. • See the Boot menu of the BIOS setup utility. Make sure that
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. Make sure that the device is included in
the Boot menu in the BIOS setup utility correctly.
• While turned off, press the Novo button to select the device
you want the computer to start from.
The connected external device
does not work. • 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 high power consumption external devices such
as an external USB optical disk drive, use an external device
power adapter. Otherwise, the device may not be
recognized, or the system may shut down as a result.