Laptop User Manual
Table Of Contents
- Read this first
- Chapter 1. Product overview
- Chapter 2. Using your computer
- Chapter 3. You and your computer
- Chapter 4. Security
- Chapter 5. Recovery overview
- Chapter 6. Replacing devices
- Static electricity prevention
- Replacing the battery
- Replacing the SIM card
- Replacing the hard disk drive
- Replacing the optical drive
- Replacing a PCI Express Mini Card for wireless LAN connection
- Replacing a PCI Express Mini Card for wireless WAN connection
- Replacing a memory module
- Replacing the keyboard
- Replacing the backup battery
- Replacing the thermal fan
- Chapter 7. Advanced configuration
- Chapter 8. Preventing problems
- Chapter 9. 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 10. Getting support
- 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
- Appendix B. WEEE and recycling statements
- Appendix C. ENERGY STAR model information
- Appendix D. Notices
- Appendix E. Restriction of Hazardous Substances Directive (RoHS)

Table4.Congmenuitems(continued)
Menuitem
SubmenuitemSelectionComments
UEFIPXEBootPriority
(forBothwithUEFIrst
bootmode,andIPv6
andIPv4stacksareboth
enabled.)
•IPv6First
•IPv4First
Selectnetworkstack
priorityforUEFIPXEboot.
USBUEFIBIOSSupport
•Disabled
•Enabled
Enablesordisablesboot
supportforUSBstorage
devices.
AlwaysOnUSB
•Disabled
•Enabled
IfyouselectDisabled,
theexternalUSBdevices
cannotbechargedthrough
USBconnectors.
USB
AlwaysOnUSBChargein
offmode
•Disabled
•Enabled
IfyouselectEnabled,the
AlwaysOnUSBconnector
enablesyoutocharge
somemobiledigitaldevices
andsmartphoneswhen
thecomputerispowered
offontheconditionthat
theacpoweradapteris
connected.
FnandCtrlKeyswap
•Disabled
•Enabled
IfyouselectEnabled,the
FnkeyworksastheCtrl
key,andtheCtrlkeyworks
astheFnkey.
Note:EvenwhenEnabled
isselected,youneedto
presstheFnkeytoresume
thecomputerfromsleep
modetonormaloperation.
FnKeyLock•Disabled
•Enabled
EnableordisabletheFn
keylock.
Keyboard/Mouse
Changeto“F1–F12keys”
•Default
•Legacy
IfyouselectDefault,
pressingF1–F12initiates
specialfunctionsillustrated
oneachkey.Ifyou
selectLegacytoinitiate
thespecialfunctions
illustratedoneachkey,
youneedtopressFnand
thecorrespondingkey
simultaneously.
Chapter7.Advancedconguration105










