Lenovo IdeaPad Y550 User Manual page 56

Y550 UG V1.0_en.book Page 48 Wednesday, December 10, 2008 4:51 PM
Chapter 4. Troubleshooting
The battery does not charge.
For details, see "Handling the battery" in Chapter 2.
A hard disk drive problem
The hard disk drive does not work.
In the Boot menu in BIOS Setup Utility, make sure that the hard disk
drive is included in the "Boot priority order" correctly.
A startup problem
®
The Microsoft
Use the OneKey Recovery to help solve or identify your problem. For details
about OneKey Recovery, see OneKey Rescue System User Guide.
Other problems
Your computer does not respond.
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.
Your computer might lock when it enters sleep mode during a
communication operation. Disable the sleep timer when you are
working on the network.
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Windows operating system does not start.