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
Table4.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
loadstheoperatingsystem.
Topreventunauthorized
access,settheuser
authenticationonthe
operatingsystem.
PasswordatBootDevice
List
•Disabled
•Enabled
IftheSecuritypassword
isset,thisoptionisused
tospecifywhetherthe
Securitypasswordmust
beenteredtodisplaythe
F12bootdevicelist.Select
Enabledtopromptfor
theSecuritypassword.
SelectDisabledtoproceed
withoutanyuseraction
required.
PasswordCountExceeded
Error
•Disabled
•Enabled
SelectEnabledtoshow
thePOST0199errorand
promptfortheSecurity
password.SelectDisabled
tohidethePOST0199error
andproceedwithoutany
useractionrequired.
SetMinimumLength
•Disabled
•Passwordlengthoptions
Specifyaminimumlength
forthepower-onpassword
andharddiskpassword.
Bydefault,thisissetto
Disabled.Ifyousetthe
supervisorpasswordand
specifyaminimumlength
forpasswords,noonebut
youcanchangethelength.
Power-OnPassword
•Disabled
•Enabled
Referto“Power-on
password”onpage45.
HardDisk1Password•Disabled
•Enabled
Referto“Harddisk
passwords”onpage
48.
FlashBIOSUpdatingby
End-Users
•Disabled
•Enabled
IfyouselectEnabled,
alluserscanupdatethe
UEFIBIOS.Ifyouselect
Disabled,onlytheperson
whoknowsthesupervisor
passwordcanupdatethe
UEFIBIOS.
UEFIBIOSUpdateOption
SecureRollBackPrevention
•Disabled
•Enabled
Disabledisthedefault
valuewhenOSOptimisezd
issettoDisabled.Enabled
isthedefaultvaluewhen
OSOptimisezdisset
toEnabled.
IfyouselectDisabled,you
canflashtheolderversion
UEFIBIOS.
Chapter5.Advancedconfiguration63