Lenovo C50-30 Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility.. 13 - service manual

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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 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 cord 22 Removing the stand base 23 Removing the foot cover 24 Replacing the memory module 25 Replacing the hard disk drive 26 Replacing the optical drive 27 Removing the stand holder 29 Removing the middle cover 30 Replacing the converter board 32 Removing the EMI cover 33 Replacing the Wi-Fi card 34 Replacing the heat-sink 35 Replacing the system fan 37 Replacing the speaker system 38 Replacing the power switch board 39 Replacing the motherboard 40 Removing the rear deco 42 Replacing the camera 43 Replacing the LED panel module 44 Chapter 8. FRU lists 49 Chapter 9. General information . . . . 59 Additional Service Information 59 © Copyright Lenovo 2014 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
Exiting the Lenovo BIOS Setup Utility program . .
17
Chapter6.Symptom-to-FRU Index . . 19
Harddiskdrivebooterror
..........
19
PowerSupplyProblems
...........
19
POSTerrorcodes
.............
20
Undeterminedproblems
...........
20
Chapter7.Replacinghardware
....
21
Generalinformation
.............
21
Replacingthekeyboardandmouse
......
22
Replacingthepowercord
..........
22
Removingthestandbase
..........
23
Removingthefootcover
...........
24
Replacingthememorymodule
........
25
Replacingtheharddiskdrive
.........
26
Replacingtheopticaldrive
..........
27
Removingthestandholder
..........
29
Removingthemiddlecover
.........
30
Replacingtheconverterboard
........
32
RemovingtheEMIcover
...........
33
ReplacingtheWi-Ficard
...........
34
Replacingtheheat-sink
...........
35
Replacingthesystemfan
..........
37
Replacingthespeakersystem
........
38
Replacingthepowerswitchboard
.......
39
Replacingthemotherboard
..........
40
Removingthereardeco
...........
42
Replacingthecamera
............
43
ReplacingtheLEDpanelmodule
.......
44
Chapter8.FRUlists
..........
49
Chapter9.Generalinformation
....
59
AdditionalServiceInformation
........
59
© Copyright Lenovo 2014
iii