Lenovo Computer Monitor 7098 Bedienungsanleitung Seite 151
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- Inhaltsverzeichnis
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Replacing the power switch/LED assembly
This procedure describes how to remove and replace the power switch/LED
assembly.
1. Remove the computer cover. See “Removing the cover” on page 117.
2. Remove the front bezel. See “Removing and replacing the front bezel” on
page 118
3. Disconnect the power switch/LED assembly cable from the system board. See
the system board illustration for your machine type at “System board
connectors” on page 116.
4. Note the power switch/LED assembly cable routing and the position of the
two LEDs.
5. Remove the switch/LED from the bezel.
6. Route the cable for the new power switch/LED assembly through the hole in
the chassis and to the system board.
7. Install the new power switch/LED assembly into the bezel. Make sure that the
LEDs are in the correct position.
8. Connect the power switch/LED cable to the system board.
9. Reinstall the front bezel.
10. Go to “Completing the FRU replacement” on page 147.
Chapter 9. Replacing FRUs - Tower Computers 145
- ThinkCentre 3
- Hard ware Maintenan ce Manual 3
- Contents 5
- Chapter 1. About this manual 7
- 2 Hardware Maintenance Manual 8
- Chapter 2. Safety information 9
- 4 Hardware Maintenance Manual 10
- Voltage-selection switch 11
- Safety inspection guide 11
- 6 Hardware Maintenance Manual 12
- Grounding requirements 13
- 8 Hardware Maintenance Manual 14
- CAUTION: 16
- ≥18 kg ≥32 kg ≥55 kg 32
- For all machine types 47
- Chapter 4. General Checkout 49
- Chapter 5. Diagnostics 51
- PC-Doctor for DOS 52
- Creating diagnostic diskettes 52
- Running tests 53
- Test results 54
- Viewing the test log 55
- Viewing and changing settings 57
- Using passwords 57
- Password considerations 57
- User Password 58
- Administrator Password 58
- Selecting a startup device 58
- Advanced settings 59
- Hard disk drive boot error 61
- Power Supply Problems 61
- Diagnostic error codes 62
- Beep symptoms 84
- POST error codes 85
- Miscellaneous error messages 87
- Undetermined problems 88
- Replacing the power supply 100
- Replacing the system board 102
- Hardware Maintenance Manual 104
- Replacing the microprocessor 105
- Replacing the hard disk drive 109
- Replacing an optical drive 111
- Replacing the diskette drive 112
- Replacing a PCI adapter 116
- Locations 120
- Rear connectors 120
- Computer components 121
- System board connectors 122
- Removing the cover 123
- Replacing a memory module 134
- 8. Replace the front bezel 149
- Replacing the CMOS battery 152
- Front connectors 156
- Opening the cover 160
- Replacing an adapter card 162
- Replacing the battery 165
- Replacing the fan assembly 183
- Chapter 11. FRU lists 187
- Chapter 11. FRU lists 183 189
- Chapter 11. FRU lists 185 191
- Chapter 11. FRU lists 187 193
- Chapter 11. FRU lists 189 195
- Chapter 11. FRU lists 191 197
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- Machine Type 6177 202
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- English (models) 46R5059 1 334
- Machine Type 7098 335
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- Hungarian (models) 45R9891 1 424
- Slovakian (models) 45R9892 1 424
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- Security features 791
- Hardware controlled Passwords 791
- Operating system password 791
- Vital product data 791
- BIOS levels 791
- Power management 793
- Automatic Power-On features 793
- Appendix. Notices 795
- Television output notice 796
- Trademarks 796
- Part Number: 45C6545 798
- Printed in USA 798
- (1P) P/N: 45C6545 798
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