Lenovo ThinkCentre Chromebox, Руководство по техническому обслуживанию аппаратной части

Страница: 3 / 112

Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Read this first: Important
safety information. . . . . . . . . . . . 1
Power cords and power adapters . . . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Glass parts notice . . . . . . . . . . . . . . 4
Safety inspection guide . . . . . . . . . . . . 4
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . . . 4
Grounding requirements . . . . . . . . . . . . 5
Safety notices (multi-lingual translations) . . . . . 5
Chapter 2. Product overview . . . . . 27
Locations. . . . . . . . . . . . . . . . . 27
Locating connectors, controls, and indicators
on the front of your computer . . . . . . .
27
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . .
28
Locating components . . . . . . . . . . 30
Locating major FRUs and CRUs . . . . . . 30
Locating parts on the system board . . . . 32
Locating the machine type and model label . 34
Features . . . . . . . . . . . . . . . . . 34
Specifications . . . . . . . . . . . . . . . 36
Chapter 3. Using your computer . . . 37
Registering your computer . . . . . . . . . . 37
Frequently asked questions . . . . . . . . . 37
Chapter 4. You and your computer . . 39
Accessibility and comfort . . . . . . . . . . 39
Arranging your workspace . . . . . . . . 39
Comfort . . . . . . . . . . . . . . . 39
Glare and lighting . . . . . . . . . . . . 40
Air circulation . . . . . . . . . . . . . 40
Electrical outlets and cable lengths . . . . . 40
Accessibility information . . . . . . . . . 40
Moving your computer to another country or
region . . . . . . . . . . . . . . . . . .
41
Chapter 5. Security . . . . . . . . . . 43
Attaching a Kensington-style cable lock. . . . . 43
Chapter 6. Preventing problems . . . 45
Basics . . . . . . . . . . . . . . . . . . 45
Cleaning your computer . . . . . . . . . . . 45
Computer . . . . . . . . . . . . . . . 45
Display screen . . . . . . . . . . . . . 45
Moving your computer . . . . . . . . . . . 46
Chapter 7. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
47
Basic troubleshooting . . . . . . . . . . . . 47
Troubleshooting procedure . . . . . . . . . . 47
Troubleshooting . . . . . . . . . . . . . . 48
Audio problems . . . . . . . . . . . . 48
Intermittent problems . . . . . . . . . . 48
Monitor problems. . . . . . . . . . . . 49
Networking problems . . . . . . . . . . 49
Insufficient free storage drive space . . . . 50
Serial connector cannot be accessed . . . . 50
Software problems . . . . . . . . . . . 50
My USB connectors cannot be accessed . . 51
Chapter 8. Service checkout and
symptom-to-FRU index . . . . . . . .
53
Service checkout. . . . . . . . . . . . . . 53
Problem determination tips . . . . . . . . 53
Symptom-to-FRU index . . . . . . . . . . . 54
Power supply problems . . . . . . . . . 54
Miscellaneous error conditions . . . . . . 54
Undetermined problems . . . . . . . . . 56
Overview of the USB recovery shim . . . . . . 56
Chapter 9. Installing or replacing
hardware . . . . . . . . . . . . . . .
61
Handling static-sensitive devices . . . . . . . 61
Installing or replacing hardware . . . . . . . . 61
Installing external options . . . . . . . . 61
Replacing the ac power adapter . . . . . . 61
Removing the front cover. . . . . . . . . 63
Replacing the system fan. . . . . . . . . 65
Replacing a memory module . . . . . . . 66
Replacing the system board frame . . . . . 68
Replacing the power button board . . . . . 69
Replacing the coin-cell battery . . . . . . 71
Replacing the M.2 storage drive . . . . . . 72
Replacing the M.2 Wi-Fi card module . . . . 73
Replacing the M.2 Wi-Fi antennas . . . . . 74
Replacing the reset button board . . . . . 78
Replacing the system board . . . . . . . 79
Completing the parts replacement . . . . . 81
© Copyright Lenovo 2015 i