Contents
Chapter 1. About this manual . . . . . . . . . . . . . . . . 1
Important Safety Information . . . . . . . . . . . . . . . . . 1
Chapter 2. Safety information . . . . . . . . . . . . . . . . 3
General safety . . . . . . . . . . . . . . . . . . . . . . 3
Electrical safety
. . . . . . . . . . . . . . . . . . . . . 4
Safety inspection guide . . . . . . . . . . . . . . . . . . . 5
Handling electrostatic discharge-sensitive devices . . . . . . . . . . 6
Grounding requirements . . . . . . . . . . . . . . . . . . . 7
Safety notices . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 3. General information. . . . . . . . . . . . . . . . 11
Specifications . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 4. General Checkout . . . . . . . . . . . . . . . . 13
Chapter 5. Using the Setup Utility . . . . . . . . . . . . . . . 15
Starting the Lenovo BIOS Setup Utility program . . . . . . . . . . . 15
Viewing and changing settings. . . . . . . . . . . . . . . . . 15
Using passwords . . . . . . . . . . . . . . . . . . . . . 15
Enabling or disabling a device . . . . . . . . . . . . . . . . . 18
Selecting a startup device . . . . . . . . . . . . . . . . . . 19
Exiting the Lenovo BIOS Setup Utility program
Chapter 6. Symptom-to-FRU Index . . . . . . . . . . . . . . 23
Hard disk drive boot error . . . . . . . . . . . . . . . . . . 23
Power Supply Problems . . . . . . . . . . . . . . . . . . . 23
Additional Service Information . . . . . . . . . . . . . . . . . 24
POST error codes . . . . . . . . . . . . . . . . . . . . . 24
Undetermined problems . . . . . . . . . . . . . . . . . . . 25
Chapter 7. Locations . . . . . . . . . . . . . . . . . . . 27
Identifying internal components . . . . . . . . . . . . . . . . 27
Identifying parts on the system board
. . . . . . . . . . . . . . 30
Chapter 8. Replacing hardware. . . . . . . . . . . . . . . . 33
General information . . . . . . . . . . . . . . . . . . . . 33
Cleaning rear dust screen . . . . . . . . . . . . . . . . . . 34
Replacing the keyboard and mouse . . . . . . . . . . . . . . . 35
© Copyright Lenovo 2017
iii
Содержание 90H9
Страница 2: ......
Страница 18: ...12 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 20: ...14 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 28: ...22 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 32: ...26 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 38: ...32 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 68: ...62 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 70: ...64 Lenovo Legion Y720T Hardware Maintenance Manual ...
Страница 71: ......
Страница 72: ......