Table Of Contents - Lenovo IdeaCentre T540 User Manual

Contents
About this documentation . . . . . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 5
Connect to networks . . . . . . . . . . . . . . 5
Connect to the wired Ethernet . . . . . . . . 5
Connect to Wi-Fi (for selected models) . . . . . 5
Use Lenovo Vantage . . . . . . . . . . . . . . 5
Purchase accessories . . . . . . . . . . . . . 6
Chapter 3. Troubleshooting,
diagnostics, and recovery . . . . . . . . 7
Basic procedure for resolving computer problems . . 7
Troubleshooting . . . . . . . . . . . . . . . 7
Startup problems . . . . . . . . . . . . . 8
Audio problems . . . . . . . . . . . . . . 9
Network problems . . . . . . . . . . . . . 9
Performance problems . . . . . . . . . .
Storage drive problems . . . . . . . . . .
Serial connector problems . . . . . . . . .
Software problems . . . . . . . . . . . .
Recovery . . . . . . . . . . . . . . . . .
Restore system files and settings to an earlier
point . . . . . . . . . . . . . . . . .
Restore your files from a backup . . . . . .
Reset your computer . . . . . . . . . . .
Use advanced options . . . . . . . . . .
Windows automatic recovery. . . . . . . .
Create and use a recovery USB device . . . .
Update the device driver . . . . . . . . .
© Copyright Lenovo 2019
Chapter 4. CRU replacement . . . . . 17
What are CRUs . . . . . . . . . . . . . . .
Replace a CRU . . . . . . . . . . . . . . .
Power cord . . . . . . . . . . . . . . .
Computer cover . . . . . . . . . . . . .
Front bezel . . . . . . . . . . . . . . .
Memory module . . . . . . . . . . . . .
Storage drive . . . . . . . . . . . . . .
PCI Express card . . . . . . . . . . . .
M.2 solid-state drive . . . . . . . . . . .
M.2 solid-state-drive bracket . . . . . . . .
Power supply assembly . . . . . . . . . .
Coin-cell battery . . . . . . . . . . . . .
Chapter 5. Help and support . . . . . 41
Self-help resources . . . . . . . . . . . . .
Call Lenovo . . . . . . . . . . . . . . . .
Before you contact Lenovo . . . . . . . .
Lenovo Customer Support Center . . . . . .
Purchase additional services. . . . . . . . . .
12
Appendix A. Important safety
13
information . . . . . . . . . . . . . . . 45
13
Appendix B. Accessibility and
13
ergonomic information . . . . . . . . 59
13
Appendix C. Compliance
14
information . . . . . . . . . . . . . . . 63
14
14
Appendix D. Notices and
14
trademarks . . . . . . . . . . . . . . . 75
14
14
15
17
17
17
19
20
21
24
28
30
33
34
37
41
42
42
42
43
i