Lenovo Ideapad 300s 11ibr User Guide

Chapter 3. Troubleshooting
17
BIOS setup utility
What is the BIOS setup utility?
The BIOS setup utility is ROM-based software. It communicates basic 
computer information and provides options for setting boot devices, 
security, hardware mode, and other preferences.
How can I start the BIOS setup utility?
To start the BIOS setup utility:
1Shut down the computer.
2Press the Novo button and then select BIOS Setup.
How can I change the boot mode? (on select models)
There are two boot modes: UEFI First and...

Chapter 3. Troubleshooting
18
Troubleshooting  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  - - - - - - - - - - - - - - - - - - - - - 
Display problems
When I turn on the 
computer, nothing appears 
on the screen. •
If the screen is blank, make sure that:
- The AC power adapter is connected to the c
 omputer, and the power cord is plugged into a 
working electrical outlet.
- The computer power is on. Press the Power button...

The computer does not 
return from sleep mode and 
the computer does not 
work. •
If your co mputer is in sleep mode, connect the AC 
power adapter to the computer, then press the 
Windows button or the Power button.
• If the syst
 em still does no t return from sleep mode, 
your system has stopped responding, and you cannot 
turn off the computer; reset the computer. Unsaved 
data may be lost. To reset the computer, press and 
hold the Power button for  eight seconds or more. If 
the computer still does...

Battery problems
Your computer shuts down 
before the battery status 
indicator shows empty.
-or-
Your computer operates 
a fte

r the battery status 
indicator shows empty. •
Rechar ge the battery.
Other problems
Your computer does not 
respond. •
To turn off your computer, press and hold the Power
button  for eight seconds or more. If the computer still 
does not respond, remove the AC power adapter.
• Your computer might lock wh en it ente
 rs sleep mode
during a communication operation. Disable the...

21
Trademarks
The following terms are trademarks or registered trademarks of Lenovo in the 
United States, other countries, or both.
Lenovo
OneKey
Microsoft and Windows are trademarks of Microsoft Corporation in the United 
States, other countries, or both.
Other company, products, or service names may be trademarks or service marks 
of others. 

en-US
Rev. RP01

©Lenovo China 2016