RAID Level . . . . . . . . . . . . . . . 41
Configuring the system BIOS to enable SATA
RAID functionality . . . . . . . . . . . . 41
Creating RAID volumes . . . . . . . . . . 42
Deleting RAID volumes . . . . . . . . . . 42
Resetting disks to non-RAID . . . . . . . . 42
Chapter 6. Troubleshooting,
diagnostics, and recovery . . . . . . . 45
Startup problems . . . . . . . . . . . . 46
Audio problems . . . . . . . . . . . . . 46
CD or DVD problems . . . . . . . . . . . 47
Intermittent problems . . . . . . . . . . . 48
Storage drive problems . . . . . . . . . . 48
Ethernet LAN problems . . . . . . . . . . 49
Wireless LAN problem . . . . . . . . . . 50
Bluetooth problems . . . . . . . . . . . 50
Performance problems . . . . . . . . . . 51
Serial connector problem . . . . . . . . . 52
USB device problems
Software and driver problems . . . . . . . 53
Chapter 7. Hardware removal and
installation . . . . . . . . . . . . . . . 57
Handling static-sensitive devices . . . . . . . . 57
Preparing your computer and removing the
computer cover . . . . . . . . . . . . . . . 57
Installing or replacing hardware
External options . . . . . . . . . . . . . 58
Front bezel . . . . . . . . . . . . . . . 58
PCIe card . . . . . . . . . . . . . . . 59
M.2 solid-state drive . . . . . . . . . . . 61
Coin-cell battery . . . . . . . . . . . . . 64
Memory module . . . . . . . . . . . . . 65
Optical drive . . . . . . . . . . . . . . 68
Hard disk drive in the front-access storage
enclosure . . . . . . . . . . . . . . . 71
Device in the Multi-drive Conversion Kit
Solid-state drive . . . . . . . . . . . . . 89
Heat sink and fan assembly . . . . . . . . 93
Power supply assembly . . . . . . . . . . 95
Primary hard disk drive . . . . . . . . . . 99
Secondary hard disk drive . . . . . . . . . 101
Completing the parts replacement . . . . . . . 105
Chapter 8. Getting information, help,
and service . . . . . . . . . . . . . . . 109
Information resources . . . . . . . . . . . . 109
Accessing the user guide in various
languages . . . . . . . . . . . . . . . 109
Windows help system
Safety and warranty . . . . . . . . . . . 109
Lenovo Web site. . . . . . . . . . . . . 109
Lenovo Support Web site . . . . . . . . . 110
Frequently asked questions . . . . . . . . 110
Help and service . . . . . . . . . . . . . . 110
Calling for service . . . . . . . . . . . . 110
Using other services . . . . . . . . . . . 111
Purchasing additional services . . . . . . . 111
Appendix A. System memory
speed. . . . . . . . . . . . . . . . . . 113
Appendix C. Regulatory
information . . . . . . . . . . . . . . . 117
Federal Communications Commission
Declaration of Conformity . . . . . . . . . 117
Brazil audio notice . . . . . . . . . . . . . . 119
Mexico wireless-radio compliance information . . . 119
Additional regulatory information . . . . . . . . 120
Appendix D. WEEE and recycling
information . . . . . . . . . . . . . . . 121
Important WEEE information . . . . . . . . . . 121
Recycling information for Japan . . . . . . . . 121
Recycling information for Brazil. . . . . . . . . 122
Battery recycling information for Taiwan . . . . . 122
Battery recycling information for the European
Union . . . . . . . . . . . . . . . . . . . 123
Appendix E. Restriction of
Hazardous Substances (RoHS)
Directive . . . . . . . . . . . . . . . . 125
Appendix F. ENERGY STAR model
information . . . . . . . . . . . . . . . 127
Appendix G. Notices. . . . . . . . . . 129
Appendix H. Trademarks . . . . . . . 131
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P320 User Guide
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