User's 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
- 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
- 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)
- Appendix F. Eurasian compliance mark
Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
SecureBoot
•Disabled
•Enabled
EnableordisableUEFI
SecureBootfeature.
Windows8operating
systemrequiresthisfeature
tobeenabled.
PlatformMode
UserMode
SecureBootModeStandardMode
ResettoSetupMode
•Yes
•No
Thisoptionisusedtoclear
thecurrentplatformkey
andputthesysteminto
setupmode.Youcaninstall
yourownplatformkeyand
customizetheSecureBoot
signaturedatabasesin
setupmode.SecureBoot
modewillbesettocustom
mode.
SecureBoot
RestoreFactorykeys•Yes
•No
Thisoptionisusedto
restoreallkeysand
certicatesinSecure
Bootdatabasestofactory
defaults.Anycustomized
SecureBootsettings
willbeerased,andthe
defaultplatformkeywillbe
re-establishedalongwith
theoriginalsignature
databasesincluding
certicateforWindows
8operatingsystem.
Startupmenu
Youmightneedtochangethestartupsequenceofyourcomputer.Forexample,ifyouhavedifferent
operatingsystemsondifferentdevices,youcanhavethesystemstartupfromeitherofthem.
Attention:Afteryouchangeyourstartupsequence,youmustbeextremelycarefulnottospecifyawrong
deviceduringacopy,asave,oraformatoperation.Ifyouspecifyawrongdevice,yourdataandprograms
mightbeerasedoroverwritten.
Attention:IfyouareusingtheBitLocker
®
driveencryption,youshouldnotchangethestartupsequence.
BitLockerdriveencryptiondetectsthechangeofstartupsequenceandlocksthecomputerfrombooting.
Changingthestartupsequence
SelectingStartuptodisplaytheBootsubmenu.
Tochangethestartupsequence,dothefollowing:
1.SelectBoot;thenpressEnter.
YoucanusetheBootsubmenutospecifythestartupsequencethatrunswhenyouturnonthepower.
Referto“Bootsubmenu”onpage103.
2.Selectthedeviceyouwanttostartrst.
3.PressFn+F10tosavethechangesandrestartthesystem.
102UserGuide