Lenovo IdeaPad Y550P - Manual (Page 60)

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Chapter 5. Troubleshooting
Fail to restore system partition to factory default.
The system partition, such as the partition size or the drive capacity of C,
has been modified.
„
Other problems
Your computer does not respond.
ƒ
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.
ƒ Your computer might lock when it enters sleep mode during a
communication operation.
The computer does not start from a device you want.
See the Boot menu of the BIOS Setup Utility. Make sure that the “Boot
priority order” in 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. In the Boot menu in the 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.