Lenovo IdeaCentre B520 Instrukcja Użytkownika Strona 5
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- Contents 1
- Hardware Maintenance Manual 2
- About this manual 3
- Chapter 1. About this manual 5
- Safety information 6
- Electrical safety 7
- Safety inspection guide 9
- Grounding requirements 10
- Safety notices 11
- 10 12
- 11 13
- General information 14
- General Checkout 15
- Problem determination tips 16
- Using the Setup Utility 17
- Using passwords 18
- Power-On Password 19
- Selecting a startup device 20
- 19 21
- Symptom-to-FRU Index 22
- Beep symptoms 23
- POST error codes 23
- Locations 24
- 23 25
- Left and right view 25
- 24 26
- Rear view 26
- 25 27
- Hardware components 27
- 26 28
- 27 29
- Replacing hardware 30
- Removing the computer cover 31
- Removing the back deco 32
- Removing the computer stand 33
- Replacing a memory module 34
- 33 35
- Replacing the optical drive 36
- 35 37
- 36 38
- Replacing the hard disk drive 39
- 38 40
- Removing the EMI cover 41
- Replacing the converter board 42
- Replacing the system fan 43
- Replacing the heatsink 44
- Replacing the CPU 45
- 44 46
- 45 47
- Replacing the rear I/O module 48
- Replacing the speaker system 49
- Replacing the 3D module 50
- Replacing the TV tuner card 51
- Replacing the WLAN card 52
- 51 53
- Replacing the power supply 54
- Replacing the touch module 55
- Replacing the motherboard 56
- Replacing the LED panel 57
- Replacing the keyboard 58
- Replacing the mouse 59
- Replacing the power cord 60
- FRU lists 61
- 60 62
- 61 63
- 62 64
- 63 65
- 64 66
- 65 67
- 66 68
- 67 69
- 68 70
- Additional Service 71
- Information 71
- Statement 72
- 71 73
- Trademarks 73
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