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Lenovo
Desktop & all-in-one
M series desktop (lenovo)
M4350 Desktop (Lenovo) - Type 90AG
M4350 Desktop (Lenovo) - Type 90AG
Lenovo M4350 User Guide
5 Important safety information
5 Service and upgrades
5 Static electricity prevention
6 Power cords and power adapters
6 Extension cords and related devices
6 Plugs and outlets
7 External devices
7 Heat and product ventilation
8 Operating environment
8 Modem safety information
8 Laser compliance statement
9 Power supply statement
9 Cleaning and maintenance
11 Chapter 1. Product overview
11 Specifications
11 Locations
12 Locating connectors, controls, and indicators on the front of your computer
13 Locating connectors on the rear of your computer
14 Locating parts on the system board
17 Chapter 2. You and your computer
17 Accessibility and comfort
17 Arranging your workspace
17 Comfort
18 Glare and lighting
18 Air circulation
18 Electrical outlets and cable lengths
19 Moving your computer to another country or region
19 Voltage-selection switch
19 Replacement power cords
21 Chapter 3. Security
21 Locking the computer cover
22 Attaching an integrated cable lock
22 Using passwords
22 BIOS passwords
23 Windows passwords
23 Using and understanding firewalls
25 Chapter 4. Recovery information
25 Recovery information for the Windows 8 operating system
26 Using Rescue System
29 Chapter 5. Using the Setup Utility program
29 Starting the Setup Utility program
29 Viewing and changing settings
29 Using passwords
30 Password considerations
30 Power-On Password
30 Administrator Password
30 Hard Disk Password
30 Setting, changing, and deleting a password
31 Enabling or disabling a device
31 Selecting a startup device
31 Selecting a temporary startup device
31 Selecting or changing the startup device sequence
32 Enabling ErP compliance mode
32 Exiting the Setup Utility program
35 Chapter 6. Preventing problems
35 Keeping your computer current
35 Getting the latest device drivers for your computer
35 Updating your operating system
36 Cleaning and maintenance
36 Basics
36 Cleaning your computer
37 Good maintenance practices
38 Moving your computer
39 Chapter 7. Troubleshooting and diagnostics
39 Basic troubleshooting
40 Troubleshooting procedure
40 Troubleshooting
41 Audio problems
42 CD problems
43 DVD problems
44 Intermittent problems
44 Keyboard, mouse, or pointing device problems
45 Monitor problems
47 Networking problems
49 Performance and lockup problems
51 Printer problems
51 Serial port problems
52 USB problems
53 Appendix A. Notices
54 Trademarks
55 Appendix B. Regulatory information
55 Export classification notice
55 Television output notice
55 Electronic emissions notices
55 Federal Communications Commission Declaration of Conformity
57 Additional regulatory information
59 Appendix C. WEEE and recycling statements
59 Important WEEE information
59 Recycling information
60 Recycling information for Brazil
60 Battery recycling information for Taiwan
60 Battery recycling information for the European Union
63 Appendix D. Restriction of Hazardous Substances Directive (RoHS)
63 European Union RoHS
63 China RoHS
63 Turkish RoHS
64 Ukraine RoHS
64 India RoHS
65 Appendix E. China Energy Label
67 Appendix F. ENERGY STAR model information