Lenovo C20-30 Lenovo C20 Series Touch All-In-One PC Hardware Maintenance Manua - Page 5

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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 30 Replacing a memory module 32 Replacing the optical drive 33 Replacing the system fan 34 Replacing the Wi-Fi card 35 Replacing the speaker system 36 Replacing the power switch board 37 Replacing the motherboard or the heat-sink module 38 Replacing the I/O Shielding 40 Replacing the camera 41 Replacing the converter board 42 Replacing the LED panel 43 Chapter 8. FRU lists 45 Chapter 9. FRU lists 55 Chapter 10. Additional Service Information 65 © Copyright Lenovo 2014, 2015 iii

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Contents
Chapter1.Aboutthismanual
.....
1
ImportantSafetyInformation
.........
1
Chapter2.Safetyinformation
.....
3
Generalsafety
...............
3
Electricalsafety
..............
3
Safetyinspectionguide
...........
5
Handling electrostatic discharge-sensitive
devices
.................
5
Groundingrequirements
...........
6
Safetynotices
...............
6
Chapter3.Generalinformation
....
9
Specifications
...............
9
Chapter4.GeneralCheckout
.....
11
Chapter5.Using the Setup Utility. . . 13
Starting the Lenovo BIOS Setup Utility program .
13
Viewingandchangingsettings
........
13
Usingpasswords
..............
13
Enablingordisablingadevice
........
15
Selectingastartupdevice
..........
16
Changingbootingmode
...........
17
Exiting the Lenovo BIOS Setup Utility program . .
17
Chapter6.Symptom-to-FRUIndex. . 19
Harddiskdrivebooterror
..........
19
PowerSupplyProblems
...........
19
POSTerrorcodes
.............
20
Undeterminedproblems
...........
20
Chapter7.Replacinghardware
....
21
Generalinformation
.............
21
Replacingthekeyboardandmouse
......
22
Replacingthepoweradapter
.........
22
Removingtherearcover
...........
24
Replacingtheharddiskdrive
.........
30
Replacingamemorymodule
.........
32
Replacingtheopticaldrive
..........
33
Replacingthesystemfan
..........
34
ReplacingtheWi-Ficard
...........
35
Replacingthespeakersystem
........
36
Replacingthepowerswitchboard
.......
37
Replacing the motherboard or the heat-sink
module
.................
38
ReplacingtheI/OShielding
..........
40
Replacingthecamera
............
41
Replacingtheconverterboard
........
42
ReplacingtheLEDpanel
...........
43
Chapter8.FRUlists
..........
45
Chapter9.FRUlists
..........
55
Chapter10.AdditionalService
Information
..............
65
© Copyright Lenovo 2014, 2015
iii