Personal Computer User Manual

ManualsBrandsLenovo ManualsDesktop2555

100

Table Of Contents

Important safety information
- Service and upgrades
- Static electricity prevention
- Power cords and power adapters
- Extension cords and related devices
- Plugs and outlets
- External devices
- Heat and product ventilation
- Operating environment
- Modem safety information
- Laser compliance statement
- Power supply statement
- Cleaning and maintenance
Chapter 1. Product overview
- Features
- Specifications
- Software overview
- Locations
Chapter 2. Using your computer
- Frequently asked questions
- Using the keyboard
- Using the wheel mouse
- Adjusting audio
- Using CDs and DVDs
Chapter 3. You and your computer
- Accessibility and comfort
- Register your computer with Lenovo
- Moving your computer to another country or region
  - Voltage-selection switch
  - Replacement power cords
Chapter 4. Security
- Security features
- Locking the computer cover
- Attaching an integrated cable lock
- Using passwords
  - BIOS passwords
  - Windows passwords
- Configuring the fingerprint reader
- Using and understanding firewalls
- Protecting data against viruses
Chapter 5. Installing or replacing hardware
- Handling static-sensitive devices
- Installing or replacing hardware
Chapter 6. Recovery information
- Creating and using recovery media
  - Creating recovery media
  - Using recovery media
- Performing backup and recovery operations
  - Performing a backup operation
  - Performing a recovery operation
- Using the Rescue and Recovery workspace
- Creating and using a rescue medium
  - Creating a rescue medium
  - Using a rescue medium
- Reinstalling preinstalled applications and device drivers
- Reinstalling software programs
- Reinstalling device drivers
- Solving recovery problems
Chapter 7. Using the Setup Utility program
- Starting the Setup Utility program
- Viewing and changing settings
- Using passwords
- Enabling or disabling a device
- Selecting a startup device
  - Selecting a temporary startup device
  - Selecting or changing the startup device sequence
- Enabling ErP compliance mode
- ICE performance mode
- ICE thermal alert
- Exiting the Setup Utility program
Chapter 8. Configuring RAID
- RAID Level
- Configuring the system BIOS to enable SATA RAID functionality
- Creating RAID volumes
- Deleting RAID volumes
- Resetting disks to non-RAID
Chapter 9. Updating system programs
- Using system programs
- Updating (flashing) the BIOS from a disc
- Updating (flashing) the BIOS from your operating system
- Recovering from a POST/BIOS update failure
Chapter 10. Preventing problems
- Keeping your computer current
- Cleaning and maintenance
- Moving your computer
Chapter 11. Troubleshooting and diagnostics
- Basic troubleshooting
- Troubleshooting procedure
- Troubleshooting
- Lenovo Solution Center
Chapter 12. Getting information, help, and service
- Information resources
- Help and service
Appendix A. Notices
- Trademarks
Appendix B. Regulatory information
- Export classification notice
- Electronic emissions notices
  - Federal Communications Commission Declaration of Conformity
- Additional regulatory information
Appendix C. WEEE and recycling information
- Important information for the European Directive 2002/96/EC
- Recycling information
- Recycling information for Brazil
- Battery recycling information for Taiwan
- Battery recycling information for the European Union
Appendix D. ENERGY STAR model information
Appendix E. Ek Bilgiler
Appendix F. Servis istasyonlari
Index

Chapter11.Troubleshootinganddiagnostics

Thischapterprovidesinformationaboutdiagnosingandtroubleshootingcomputerproblems.Ifyour

computerproblemisnotdescribedhere,seeChapter12“Gettinginformation,help,andservice”onpage

103

foradditionaltroubleshootingresources.

Basictroubleshooting

Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport

telephonenumbers,refertotheThinkStationSafety,Warranty,andSetupGuidethatcomeswithyour

computerorgototheLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

switch.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,

makesurethatitisswitchedon.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Themonitorscreenisblank.

Verifythat:

•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe

appropriatemonitorconnectoronthecomputer.

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking

electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector

onthegraphicscard.

Thekeyboarddoesnotwork.

Verifythat:

•Thecomputeristurnedon.

•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.

•Nokeysarestuck.

Themousedoesnotwork.

Verifythat:

•Thecomputeristurnedon.

•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.

•Themouseisclean.Referto“Opticalmouse”onpage83

forfurtherinformation.