
Contents
Chapter 1. About this manual . . . . .
1
Important Safety Information . . . . . . . . .
1
Chapter 2. Safety information . . . . .
3
General safety . . . . . . . . . . . . . . .
3
Electrical safety . . . . . . . . . . . . . .
3
Safety inspection guide . . . . . . . . . . .
5
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . .
5
Grounding requirements . . . . . . . . . . .
6
Safety notices . . . . . . . . . . . . . . .
6
Chapter 3. General information . . . .
9
Specifications . . . . . . . . . . . . . . .
9
Chapter 4. General Checkout . . . . .
11
Chapter 5. Using the Setup Utility. . .
13
Starting the Lenovo BIOS Setup Utility program
.
13
Viewing and changing settings . . . . . . . .
13
Using passwords. . . . . . . . . . . . . .
13
Enabling or disabling a device
. . . . . . . .
15
Selecting a startup device . . . . . . . . . .
16
Changing booting mode . . . . . . . . . . .
17
Exiting the Lenovo BIOS Setup Utility program . .
17
Chapter 6. Symptom-to-FRU Index . .
19
Hard disk drive boot error . . . . . . . . . .
19
Power Supply Problems . . . . . . . . . . .
19
POST error codes . . . . . . . . . . . . .
20
Undetermined problems . . . . . . . . . . .
20
Chapter 7. Replacing hardware . . . .
21
General information . . . . . . . . . . . . .
21
Replacing the keyboard and mouse . . . . . .
22
Replacing the power adapter . . . . . . . . .
22
Removing the rear cover . . . . . . . . . . .
24
Replacing the hard disk drive . . . . . . . . .
29
Replacing a memory module . . . . . . . . .
31
Replacing the optical drive . . . . . . . . . .
32
Replacing the system fan . . . . . . . . . .
33
Replacing the Wi-Fi card. . . . . . . . . . .
34
Replacing the speaker system . . . . . . . .
35
Replacing the power switch board . . . . . . .
36
Replacing the I/O Shielding. . . . . . . . . .
37
Replacing the motherboard or the heat-sink
module
. . . . . . . . . . . . . . . . .
38
Replacing the camera . . . . . . . . . . . .
40
Replacing the converter board . . . . . . . .
41
Replacing the LED panel. . . . . . . . . . .
42
Chapter 8. FRU lists-C20–00 . . . . .
47
Chapter 9. Additional Service
Information . . . . . . . . . . . . . .
55
© Copyright Lenovo 2015, 2015
iii
Содержание C20-00
Страница 1: ...Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual Machine Types F0BB C20 00 ...
Страница 2: ......
Страница 3: ...Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual Machine Types F0BB C20 00 ...
Страница 6: ...iv Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 8: ...2 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 16: ...10 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 18: ...12 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 24: ...18 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 33: ...Chapter 7 Replacing hardware 27 ...
Страница 34: ...Step 11 Lift up the rear cover as shown 28 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 49: ...Chapter 7 Replacing hardware 43 ...
Страница 52: ...46 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...
Страница 60: ...54 Lenovo C20 00 Non Touch All In One PC Hardware Maintenance Manual ...