Lenovo C40 Series, Hardware Maintenance 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 adapter . . . . . . . . . . . . 22
Removing the stand base . . . . . . . . . . 23
Removing the foot cover . . . . . . . . . . . 24
Replacing the memory module . . . . . . . . 25
Replacing the hard disk drive . . . . . . . . . 26
Removing the stand holder . . . . . . . . . . 27
Removing the middle cover . . . . . . . . . 28
Replacing the optical drive . . . . . . . . . . 31
Replacing the power switch board . . . . . . . 33
Replacing the converter board . . . . . . . . 34
Removing the EMI cover . . . . . . . . . . . 35
Replacing the system fan . . . . . . . . . . 36
Replacing the heat-sink . . . . . . . . . . . 37
Replacing the speaker system . . . . . . . . 39
Replacing the Wi-Fi card. . . . . . . . . . . 40
Removing the rear deco . . . . . . . . . . . 41
Replacing the motherboard. . . . . . . . . . 43
Replacing the camera . . . . . . . . . . . . 44
Replacing the LED panel module . . . . . . . 46
Chapter 8. FRU lists . . . . . . . . . . 49
Chapter 9. FRU lists . . . . . . . . . . 59
Chapter 10. General information . . . 69
Additional Service Information . . . . . . . . 69
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