Lenovo X300 Manual do Utilizador descarregar pdf (Página 104)

Table 28. Removal steps of system board, fan assembly, and base cover

assembly (continued)

Step Screw (quantity) Color Torque

4 M2 × 4 mm, bind-head, nylon-coated (3) Black 0.167 Nm

(1.7

kgfcm)

Turn the system board over, and then disconnect the fan assembly from the

system board.

When installing: Make sure that the fan connector is attached to the system

board firmly.

96 ThinkPad X300 Hardware Maintenance Manual

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 141 142

ThinkPad 1
Contents 5
About this manual 7
Safety information 9
General safety 10
Electrical safety 11
Safety inspection guide 13
Grounding requirements 14
Safety information 7 15
Safety notice 2 16
Safety notice 3 17
Safety notice 4 18
Safety information 11 19
Safety notice 6 20
Safety notice 7 20
Safety notice 8 21
Laser compliance statement 22
Safety information 15 23
How to use error message 26
Product definition 27
Using eSupport 28
Using the HMM 28
General checkout 31
What to do first 32
Checkout guide 33
Testing the computer 34
General checkout 27 35
PC-Doctor for Windows 36
Power system checkout 37
Checking the AC adapter 37
Checking the battery pack 38
Black (-) 39
Passwords 42
Power-on password 42
Hard-disk password 43
Supervisor password 43
Power management 45
Screen blank mode 45
Standby mode 45
Hibernation mode 46
Symptom-to-FRU index 47
Numeric error codes 47
nnnn 48
Error messages 51
Beep symptoms 52
No-beep symptoms 52
LCD-related symptoms 53
Intermittent problems 54
Undetermined problems 54
ThinkPad X300 55
2 13456789 57
FRU tests 59
Fn key combinations 61
90 degrees more 63
(Cross-section) 63
180 degrees more 63
Retaining serial numbers 64
ThinkPad X300 57 65
ThinkPad X300 59 67
1010 Battery pack 68
ThinkPad X300 61 69
ThinkPad X300 63 71
1040 DIMM 72
ThinkPad X300 65 73
ThinkPad X300 67 75
1060 Wireless USB adapter 77
ThinkPad X300 71 79
1070 Keyboard 80
ThinkPad X300 73 81
ThinkPad X300 75 83
1080 Optical drive 84
1090 Backup battery 85
ThinkPad X300 79 87
ThinkPad X300 81 89
1120 Keyboard bezel 90
ThinkPad X300 83 91
ThinkPad X300 85 93
1140 Speaker assembly 95
1150 LCD assembly 96
ThinkPad X300 89 97
When installing: 98
ThinkPad X300 91 99
ThinkPad X300 93 101
ThinkPad X300 95 103
ThinkPad X300 97 105
2010 LCD bezel assembly 107
ThinkPad X300 101 109
ThinkPad X300 103 111
2030 Integrated camera 112
2040 Antenna assembly 113
ThinkPad X300 107 115
ThinkPad X300 109 117
ThinkPad X300 111 119
Locations 120
Front view 120
Rear view 121
Bottom view 121
Parts list 122
Overall 123
ThinkPad X300 117 125
ThinkPad X300 119 127
LCD FRUs 128
Keyboard 129
Miscellaneous parts 130
ThinkPad X300 123 131
AC adapters 132
Power cords 133
Recovery discs 134
ThinkPad X300 127 135
Common service tools 137
Notices 139
Trademarks 140
Part Number: 42X4239_01 142
(1P) P/N: 42X4239_01 142

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