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3496, 3493DFU manual
Models:
3493
3496
3493DFU
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Troubleshooting
Specification
Install
FAQ
Replacement power cords
Maintenance
Wireless LAN problem
Solving recovery problems
Diagnostic programs
Adjusting audio
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Contents
ThinkCentre User Guide
Third Edition September Copyright Lenovo
Contents
Appendix A. Notices 115
Index
Iv ThinkCentre User Guide
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
Modem safety information
Operating environment
Power supply statement
Cleaning and maintenance
Laser compliance statement
ThinkCentre User Guide
Features
Product overview
System management features
Connectivity
Input/Output I/O features
Power supply
Security features
Preinstalled software programs
Specifications
Weight
Accessing Lenovo programs on the Windows 7 operating system
Accessing Lenovo programs from Control Panel
Lenovo programs
Accessing Lenovo programs on the Windows 8 operating system
An introduction to Lenovo programs
Communications Utility
Lenovo Settings
Lenovo Solution Center
Password Manager
Power Manager
Rescue and Recovery
System Update
Locations
SimpleTap
Front connector, control, and indicator locations
Locating connectors on the rear of your computer
Connector Description
Locating components
Component locations
Locating parts on the system board
System board part locations
Locating internal drives
Drive bay locations
Machine type and model label
Machine type and model label
Using your computer
Frequently asked questions
Accessing Control Panel on the Windows 8 operating system
Where can I find help about the Windows operating system?
Using the keyboard
Using Windows shortcut keys
Using the blue ThinkVantage button
Using a fingerprint reader
Using the wheel mouse
Adjusting audio
Setting the volume from the desktop
Adding the volume icon to the taskbar
Setting the volume from Control Panel
Using CDs and DVDs
Sound section, click Adjust system volume
Handling and storing CD and DVD media
Playing a CD or DVD
Recording a CD or DVD
ThinkCentre User Guide
Accessibility and comfort
You and your computer
Arranging your workspace
Comfort
Glare and lighting
Air circulation
Electrical outlets and cable lengths
Voltage-selection switch
Registering your computer
Moving your computer to another country or region
Replacement power cords
Security features
Security
Installing a padlock
Locking the computer cover
Using passwords
Bios passwords
Attaching an integrated cable lock
Windows passwords
Configuring the fingerprint reader
Using and understanding firewalls
Protecting data against viruses
Security
ThinkCentre User Guide
Installing or replacing hardware
Installing or replacing hardware
Installing external options
Handling static-sensitive devices
Removing and reinstalling the front bezel
Removing the computer cover
What to do next
Removing the front bezel
Accessing the system board components and drives
Pivoting the drive bay assembly upward
Installing or replacing a PCI card
Lowering the drive bay assembly
Removing a PCI card
Installing or replacing a memory module
Removing a memory module
Replacing the battery
Opening the retaining clips
Install a new battery
Pivoting the drive bay assembly
Replacing the hard disk drive
Removing the hard disk drive
Installing the hard disk drive
Replacing the optical drive
Slide the optical drive out of the front of the computer
Installing a new optical drive
Replacing the power supply assembly
Installing the optical drive
ThinkCentre User Guide
Removing the heat sink fan duct
Installing the power supply assembly
Replacing the heat sink and fan assembly
Installing the heat sink fan duct
Removing the heat sink fan duct
Removing the heat sink and fan assembly
Replacing the microprocessor
What to do next
Accessing the microprocessor
Installing the microprocessor
Replacing the system fan assembly
Removing the system fan assembly
Replacing the front audio and USB assembly
Installing the system fan assembly
Replacing the WiFi units
Removing the front audio and USB assembly
Removing the WiFi adapter card
Removing the WiFi card module
Removing the WiFi antenna cables
Installing the WiFi units
Removing the WiFi card module
Installing the WiFi card module
Installing or removing the rear WiFi antenna
Installing the rear WiFi antenna
Removing the rear WiFi antenna
Installing the rear WiFi antenna
Installing or removing the front WiFi antenna
Installing the front WiFi antenna
Removing the front WiFi antenna
Installing the front WiFi antenna
Removing the front WiFi antenna
Replacing the keyboard or mouse
Completing the parts replacement
Reinstalling the computer cover
Obtaining device drivers
Recovery information
Recovery information for the Windows 7 operating system
Creating and using recovery media
Performing backup and recovery operations
Creating recovery media
Using recovery media
Performing a backup operation
Using the Rescue and Recovery workspace
Performing a recovery operation
Click the Restore your system from a backup icon
Creating and using a rescue medium
Using a rescue medium
Creating a rescue medium
Reinstalling preinstalled applications and device drivers
Reinstalling preinstalled applications
Reinstalling preinstalled device drivers
Reinstalling software programs
Reinstalling device drivers
Solving recovery problems
Recovery information for the Windows 8 operating system
Refreshing your computer
ThinkCentre User Guide
Using the Setup Utility program
Starting the Setup Utility program
Viewing and changing settings
Password considerations
Power-On Password
Administrator Password
Hard Disk Password
Erasing lost or forgotten passwords clearing Cmos
Enabling or disabling a device
Enabling ErP compliance mode
Selecting a startup device
Selecting a temporary startup device
Selecting or changing the startup device sequence
Exiting the Setup Utility program
ThinkCentre User Guide
Using system programs
Updating flashing the Bios from a disc
Updating system programs
Updating flashing the Bios from your operating system
Recovering from a POST/BIOS update failure
Click Download Drivers & Software Click Use Quick Path
Preventing problems
Keeping your computer current
Getting the latest device drivers for your computer
Updating your operating system
Using System Update
Basics
Cleaning your computer
Computer
Keyboard
Optical mouse
Good maintenance practices
Cleaning a glass-screen surface
Moving your computer
Preventing problems
ThinkCentre User Guide
Troubleshooting and diagnostics
Basic troubleshooting
Troubleshooting procedure
Troubleshooting
Audio problems
No audio in Windows
CD problems
Sound comes from one external speaker only
No audio in DOS applications or games
DVD problems
CD or DVD does not work
Black screen instead of DVD video
DVD movie will not play
No audio or intermittent audio while playing DVD movie
Playback is very slow or choppy
Invalid disc or no disc found message
Intermittent problems
Keyboard, mouse, or pointing device problems
All or some keys on the keyboard do not work
Wireless keyboard does not work
Mouse or pointing device does not work
Pointer on the screen does not move smoothly with the mouse
Fingerprint reader does not work
Monitor problems
Wrong characters appear on the screen
Image appears to be flickering
Image is discolored
Networking problems
Ethernet problems
Your computer cannot connect to the network
Click Start Control Panel Click Hardware and Sound
Wireless LAN problem
Wake on LAN feature is not working
Adapter stops working for no apparent reason
Option problems
Wireless WAN problem
Bluetooth problem
An option that was just installed does not work
Performance and lockup problems
Click Disk Cleanup
An option that previously worked does not work now
Insufficient free hard disk drive space
Excessive number of fragmented files
Insufficient memory
Printer problems
Serial port problems
Software problems
Software does not work as expected
USB problems
Diagnostic programs
Lenovo Solution Center
Creating a diagnostic disc
Running the diagnostic program from a diagnostic disc
Lenovo ThinkVantage Toolbox
PC-Doctor for DOS
ThinkCentre User Guide
Getting information, help, and service
Help and service
Using the documentation and diagnostic programs
Calling for service
Lenovo Support Web site
Using other services
Purchasing additional services
ThinkCentre User Guide
Appendix A. Notices
115
Trademarks
Appendix B. Regulatory information
Export classification notice
Television output notice
Electronic emissions notices
Industry Canada Class B emission compliance statement
Additional regulatory information
ThinkCentre User Guide
Appendix C. Weee and recycling information
Important Weee information
Recycling information
121
Battery recycling information for Taiwan
Recycling information for Brazil
Battery recycling information for the European Union
ThinkCentre User Guide
China RoHS Turkish RoHS
Ukraine RoHS
125
India RoHS
Index
127
PCI card
129
ThinkCentre User Guide