User's Manual
Table Of Contents
- Read this first
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. Enhancing your computer
- Chapter 4. Security
- Chapter 5. Advanced configuration
- Chapter 6. Preventing problems
- Chapter 7. Troubleshooting computer problems
- Diagnosing problems
- Troubleshooting
- Computer stops responding
- Spills on the keyboard
- Error messages
- Errors without messages
- Beep errors
- Memory module problems
- Networking problems
- Problems with the keyboard and other pointing devices
- Problems with the display and multimedia devices
- Fingerprint reader problems
- Battery and power problems
- Problems with drives and other storage devices
- A software problem
- Problems with ports and connectors
- Chapter 8. Recovery overview
- Chapter 9. Replacing devices
- Chapter 10. Getting support
- Chapter 11. You and your computer
- Appendix A. Regulatory information
- Wireless related information
- Export classification notice
- Electronic emission notices
- Federal Communications Commission Declaration of Conformity
- Industry Canada Class B emission compliance statement
- European Union - Compliance to the Electromagnetic Compatibility Directive
- German Class B compliance statement
- Korea Class B compliance statement
- Japan VCCI Class B compliance statement
- Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase
- Lenovo product service information for Taiwan
- Eurasian compliance mark
- Brazil regulatory notice
- Mexico regulatory notice
- Appendix B. WEEE and recycling statements
- Appendix C. Restriction of Hazardous Substances Directive (RoHS)
- Appendix D. ENERGY STAR model information
- Appendix E. Notices
Table3.Configmenuitems(continued)
Menuitem
SubmenuitemSelectionComments
(forLegacyOnlyboot
modeorBothwithLegacy
first)
•Enabled
startupfromanintegrated
networkdevice.
UEFIIPv4NetworkStack
(forUEFIOnlybootmode
orBothwithUEFIfirst)
•Disabled
•Enabled
EnableordisableInternet
ProtocolVersion4(IPv4)
networkstackfortheUEFI
environment.
UEFIIPv6NetworkStack
(forUEFIOnlybootmode
orBothwithUEFIfirst)
•Disabled
•Enabled
EnableordisableInternet
ProtocolVersion6(IPv6)
networkstackforUEFI
environment.
UEFIPXEBootPriority
(forBothwithUEFIfirst
bootmode,andIPv6
andIPv4stacksareboth
enabled.)
•IPv6First
•IPv4First
Selectnetworkstack
priorityforUEFIPXEboot.
USBUEFIBIOSSupport
•Disabled
•Enabled
Enablesordisablesboot
supportforUSBstorage
devices.
AlwaysOnUSB
•Disabled
•Enabled
IfyouselectDisabled,
theexternalUSBdevices
cannotbechargedthrough
USBconnectors.
AlwaysOnUSBChargein
batterymode
•Disabled
•Enabled
IfyouselectEnabled,the
AlwaysOnUSBconnector
enablesyoutochargesome
mobiledigitaldevicesand
smartphoneswhenthe
computerispoweredoffor
inhibernationmodeonthe
conditionthattheacpower
adapterisconnected.
USB
USB3.0Mode
•Disabled
•Enabled
•Auto
SettheUSB3.0controller
modefortheportsshared
betweenUSB2.0andUSB
3.0controllers.
IfyouselectAuto,itenables
youtoconnectandroute
appropriateUSB3.0or
USB2.0connectors.
IfyouselectEnabled,it
enablesUSB3.0mode
andallowsUSB3.0tobe
supportedintheoperating
system.
IfyouselectDisabled,it
disablesandhidestheUSB
3.0controller,andUSB3.0
Chapter5.Advancedconfiguration59