Lenovo IdeaCentre A540 Series - Chapter 1. Meet your computer

Contents
About this documentation . . . . . . . . iii
Chapter 1. Meet your computer. . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Bottom . . . . . . . . . . . . . . . . . . . 7
Features and specifications . . . . . . . . . . . 8
Statement on USB transfer rate . . . . . . . . 9
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . 11
Adjust the computer stand . . . . . . . . . . 11
Get started with Windows 10 . . . . . . . . . 11
Windows account . . . . . . . . . . . . 11
Set up face recognition . . . . . . . . . . 12
Windows user interface . . . . . . . . . . 12
Connect to networks . . . . . . . . . . . . . 13
Connect to the wired Ethernet . . . . . . . 13
Connect to Wi-Fi networks. . . . . . . . . 13
Lenovo Vantage and Lenovo PC Manager . . . . 13
Use the multi-touch screen . . . . . . . . . . 14
Use multimedia . . . . . . . . . . . . . . . 17
Use audio . . . . . . . . . . . . . . . 17
Use the camera . . . . . . . . . . . . . 17
Connect to an external display . . . . . . . 17
Chapter 3. Explore your computer . . 19
Manage power . . . . . . . . . . . . . . . 19
Set power button behaviors . . . . . . . . 19
Set the power plan . . . . . . . . . . . . 19
Transfer data . . . . . . . . . . . . . . . . 19
Connect to a Bluetooth-enabled device. . . . 19
Use the optical drive . . . . . . . . . . . 20
Use a media card . . . . . . . . . . . . 20
Chapter 4. Troubleshooting and
recovery . . . . . . . . . . . . . . . . 21
Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 21
Troubleshooting . . . . . . . . . . . . . . 21
Startup problems . . . . . . . . . . . . 22
Screen problems . . . . . . . . . . . . 23
Audio problems . . . . . . . . . . . . . 24
Network problems . . . . . . . . . . . . 25
Performance problems . . . . . . . . . . 27
CD or DVD problems . . . . . . . . . . . 28
Software problems. . . . . . . . . . . . 29
Recovery . . . . . . . . . . . . . . . . . 29
Restore system files and settings to an earlier
point . . . . . . . . . . . . . . . . . 29
Restore your files from a backup . . . . . . 29
Reset your computer . . . . . . . . . . . 29
Use advanced options
. . . . . . . . . . 29
Windows automatic recovery. . . . . . . . 30
Create and use a recovery USB device . . . . 30
Update the device driver . . . . . . . . . 31
Chapter 5. CRU replacement . . . . . 33
What are CRUs . . . . . . . . . . . . . . . 33
Replace a CRU . . . . . . . . . . . . . . . 33
Storage drive . . . . . . . . . . . . . . 33
Hinge cover . . . . . . . . . . . . . . 36
Chapter 6. Help and support . . . . . 41
Self-help resources . . . . . . . . . . . . . 41
Call Lenovo . . . . . . . . . . . . . . . . 42
Before you contact Lenovo . . . . . . . . 42
Lenovo Customer Support Center . . . . . . 43
Purchase additional services. . . . . . . . . . 43
Appendix A. Important safety
information . . . . . . . . . . . . . . . 45
Appendix B. Accessibility and
ergonomic information . . . . . . . . 59
Appendix C. Compliance
information . . . . . . . . . . . . . . . 63
Appendix D. Notices and
trademarks . . . . . . . . . . . . . . . 75
© Copyright Lenovo 2019 i