Lenovo Computer Monitor 7098 Bedienungsanleitung Seite 95
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- Inhaltsverzeichnis
- LESEZEICHEN
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Removing the cover
Important
Read Chapter 2, “Safety information,” on page 3 and “Handling electrostatic
discharge-sensitive devices” on page 6 before opening the cover.
This procedure describes how to remove the cover.
1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down the
operating system, and turn off all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer.
4. Remove any locking devices such as a padlock that secure the cover.
5. If the cover is secured with thumbscrews, remove them.
6. Press the button near the front of the computer cover and slide the cover to the
rear.
Chapter 8. Replacing FRUs- Rocky computers 89
- 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
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- Machine Type 6177 202
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- English (models) 46R5059 1 334
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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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