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
BootDisplayDevice
•ThinkPadLCD
•Analog(VGA)
•HDMI
Selectthedisplaydevice
thatistobeactivatedat
boottime.Thisselection
iseffectiveforboottime,
passwordprompt,and
ThinkPadSetup.
GraphicsDevice•SwitchableGraphics
•IntegratedGraphics
TheIntegratedGraphics
modeprovideslonger
batterylife,whilethe
SwitchableGraphicsmode
enhancesperformance.
Display
OSDetectionforSwitchable
Graphics
•Disabled
•Enabled
IfyouselectEnabled,the
systemUEFIautomatically
switchesthegraphics
devicesettingtoSwitchable
Graphicsmodeifthe
operatingsystemsupports
thisfeature,andto
IntegratedGraphicsmodeif
theoperatingsystemdoes
notsupportthisfeature.
IntelSpeedStep
®
technology
•Disabled
•Enabled
ModeforAC
•MaximumPerformance
•BatteryOptimized
ModeforBattery
•MaximumPerformance
•BatteryOptimized
SelectthemodeofIntel
SpeedSteptechnologyat
runtime.
•Maximum
Performance:Always
highestspeed
•BatteryOptimized:
Alwayslowestspeed
•Disabled:Noruntime
support,lowestspeed
Note:Thissub-menuisnot
supportedinmodelswith
anAMDCPU.
CPUPowerManagement
•Disabled
•Enabled
Unlessthispower-saving
featureisdisabled,it
stopstheprocessorclock
automaticallywhenthere
isnosystemactivity.You
usuallydonotneedto
changethisfunction.
Power
PCIExpressPower
management
•Disabled
•Enabled
Enablesordisablesa
featurethatautomatically
adjustspowermanagement
whenthereisnoPCI
Expressactivity.You
usuallydonotneedto
changethisfunction.
BeepandAlarmKeyboardBeep•Disabled
•Enabled
Enablesordisablesthe
keyboardbeepwhen
unmanageablekey
combinationsarepressed.
106UserGuide