Chapter 5. Troubleshooting

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.

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

Do not connect or disconnect any external device

device does not work.

cables other than USB 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.

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Lenovo K23 manual Connected external