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ThinkCentre 7721
Lenovo ThinkCentre 7721 Manuals
Manuals and User Guides for Lenovo ThinkCentre 7721. We have
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Lenovo ThinkCentre 7721 manuals available for free PDF download: Maintenance Manual, Hardware Maintenance Manual, User Manual
Lenovo ThinkCentre 7721 Maintenance Manual (394 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 14.21 MB
Table of Contents
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Important Information about Replacing the Rohs Compliant Frus
8
Chapter 2. Safety Information
9
General Safety
9
Electrical Safety
9
Voltage-Selection Switch
11
Safety Inspection Guide
11
Handling Electrostatic Discharge-Sensitive Devices
12
Grounding Requirements
13
Safety Notices (Multi-Lingual Translations)
13
Chapter 3. General Information
45
Lenovo Care
45
Additional Information Resources
45
Specifications
46
For Machine Types: 7515, 7523, 7569, 7611, 7706, 7717, 7719, 7749, and 7774
46
For Machine Types: 7522, 7560, 7610, 7705, 7715, 7718, 7721, 7773, and 7799
46
For All Machine Types
47
Chapter 4. General Checkout
49
Problem Determination Tips
49
Chapter 5. Diagnostics
51
Lenovo System Toolbox
51
PC-Doctor for Windows PE
51
Running Diagnostics from the Rescue and Recovery Workspace
52
PC-Doctor for DOS
52
Creating a Diagnostic CD/DVD Image
52
Running Diagnostics from the Disc
52
Navigating through the Diagnostics Programs
53
Running Tests
53
Viewing the Test Log
54
Chapter 6. Using the Setup Utility
55
Starting the Setup Utility Program
55
Viewing and Changing Settings
55
Using Passwords
55
Password Considerations
56
Power-On Password
56
Privileged Access Password
56
Setting, Changing, and Deleting a Password
56
Enabling or Disabling a Device
57
Selecting a Startup Device
57
Selecting a Temporary Startup Device
57
Selecting or Changing the Startup Device Sequence
58
Advanced Settings
58
Exiting from the Setup Utility Program
58
Chapter 7. Symptom-To-FRU Index
59
Hard Disk Drive Boot Error
59
Power Supply Problems
59
Diagnostic Error Codes
60
Disc
61
Flash the System and Retest. See "Updating (Flashing) the BIOS from a
61
Flash the System and Retest. See "Updating (Flashing) the BIOS from a Disc
63
Go to "Undetermined Problems" on Page
63
If a Component Is Called Out, Make Sure
63
It Is Connected And/Or Enabled. See Chapter 6, "Using the Setup Utility
63
No Action
64
Diskette Drive Cable/If a Component Is Called Out, Make Sure It Is Connected And/Or Enabled
66
Diskette Drive
66
Diskette Drive Cable
66
If a Component Is Called Out, Make Sure It Is Connected And/Or Enabled
66
Go to "Undetermined Problems" on Page 80 2. Flash the System and Re-Test
66
Replace Component under Function Test
66
System Board
66
Replace the Component that Is Called out in Warning Statement
79
Beep Symptoms
82
POST Error Codes
83
Miscellaneous Error Messages
85
Undetermined Problems
86
Chapter 8. Replacing Frus (Machine Types: 7515, 7523, 7569, 7611, 7706, 7717, 7719, 7749, and 7774.)
89
Locating Connectors on the Front of Your Computer
90
Locating Connectors on the Rear of Your Computer
91
Removing the Computer Cover
92
Locating Components
94
Locating Parts on the System Board
95
Removing and Reinstalling the Front Bezel
95
Installing or Replacing a Memory Module
96
Installing or Replacing an Adapter Card
98
Replacing the Battery
101
Replacing the Power Supply Assembly
102
Replacing the Heat Sink and Fan Assembly
104
Replacing the Microprocessor
106
Replacing the System Board
109
Replacing the Primary Hard Disk Drive
111
Replacing the Secondary Hard Disk Drive
113
Replacing the Optical Drive
116
Replacing the Diskette Drive or Card Reader
118
Replacing the Front Fan Assembly
119
Replacing the Rear Fan Assembly
121
Replacing the Internal Speaker
123
Replacing the Front Audio and USB Assembly
125
Completing the FRU Replacement
126
Chapter 9. Replacing Frus (Machine Types: 7522, 7560, 7610, 7705, 7715, 7718, 7721, 7773, and 7799.)
129
Locating Connectors on the Front of the Computer
130
Locating Connectors on the Rear of the Computer
131
Opening the Computer Cover
132
Accessing the System Board Components and Drives
133
Locating Components
134
Locating Parts on the System Board
135
Installing or Replacing a Memory Module
136
Installing or Replacing an Adapter Card
138
Replacing the Battery
140
Replacing the Hard Disk Drive
142
Replacing the Optical Drive
143
Replacing the Power Supply Assembly
146
Replacing the Heat Sink and Fan Assembly
148
Replacing the Microprocessor
150
Replacing the System Board
153
Replacing the Card Reader
155
Replacing the Front Audio and USB Assembly
156
Replacing the Internal Speaker
157
Completing the FRU Replacement
161
Chapter 10. FRU Lists
163
Machine Type 7515
163
Machine Type 7522
177
Machine Type 7523
190
Machine Type 7560
202
Machine Type 7569
214
Machine Type 7610
227
Machine Type 7611
240
Machine Type 7705
253
Machine Type 7706
265
Machine Type 7715
277
Machine Type 7717
289
Machine Type 7718
301
Machine Type 7719
313
Machine Type 7721
325
Machine Type 7749
337
Machine Type 7773
349
Machine Type 7774
361
Machine Type 7799
373
Chapter 11. Additional Service Information
385
Security Features
385
Hardware Controlled Passwords
385
Operating System Password
385
Vital Product Data
385
BIOS Levels
385
Updating (Flashing) the BIOS from a Disc
386
Recovering from a POST/BIOS Update Failure
386
Power Management
387
Automatic Configuration and Power Interface (ACPI) BIOS
387
Automatic Power-On Features
387
Appendix. Notices
389
Television Output Notice
390
Trademarks
390
Index
391
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Lenovo ThinkCentre 7721 Hardware Maintenance Manual (292 pages)
Machine Types: 7515, 7522, 7523, 7560, 7569, 7610, 7611, and 7705
Brand:
Lenovo
| Category:
Desktop
| Size: 5.04 MB
Table of Contents
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Important Information about Replacing the Rohs Compliant Frus
8
Chapter 2. Safety Information
9
General Safety
9
Electrical Safety
9
Voltage-Selection Switch
11
Safety Inspection Guide
11
Handling Electrostatic Discharge-Sensitive Devices
12
Grounding Requirements
13
Safety Notices (Multi-Lingual Translations)
13
Chapter 3. General Information
45
Lenovo Thinkvantage Tools
45
Lenovo Care
45
Access Help
45
Additional Information Resources
46
Specifications
47
For Machine Types: 7515, 7523, 7569, and 7611
47
For Machine Types: 7522, 7560, 7610, and 7705
47
For All Machine Types
47
Chapter 4. General Checkout
49
Problem Determination Tips
49
Chapter 5. Diagnostics
51
Lenovo Thinkvantage Toolbox
51
Lenovo System Toolbox
51
PC-Doctor for Rescue and Recovery
52
PC-Doctor for DOS
52
Creating a Diagnostic Disc
52
Running the Diagnostic Program from the Diagnostic Disc
53
Navigating through the Diagnostics Programs
53
Running Tests
53
Viewing the Test Log
55
Chapter 6. Using the Setup Utility Program
57
Starting the Setup Utility Program
57
Viewing and Changing Settings
57
Using Passwords
57
Password Considerations
58
Set Power-On Password
58
Set Administrator Password
58
Setting, Changing, or Deleting a Password
58
Enabling or Disabling a Device
59
Selecting a Startup Device
59
Selecting a Temporary Startup Device
59
Viewing or Changing the Startup Device Sequence
60
Exiting the Setup Utility Program
60
Chapter 7. Symptom-To-FRU Index
61
Hard Disk Drive Boot Error
61
Power Supply Problems
61
Diagnostic Error Codes
62
Beep Symptoms
83
POST Error Codes
84
Miscellaneous Error Messages
86
Undetermined Problems
87
Chapter 8. Replacing Frus (Machine Types: 7515, 7523, 7569, and 7611.)
89
Locating Connectors on the Front of Your Computer
90
Locating Connectors on the Rear of Your Computer
91
Removing the Computer Cover
92
Locating Components
94
Locating Parts on the System Board
95
Removing and Reinstalling the Front Bezel
95
Installing or Replacing a Memory Module
96
Installing or Replacing a PCI Card
98
Replacing the Battery
101
Replacing the Power Supply Assembly
102
Replacing the Heat Sink and Fan Assembly
104
Replacing the Microprocessor
106
Replacing the System Board
109
Replacing the Primary Hard Disk Drive
111
Replacing the Secondary Hard Disk Drive
113
Replacing the Optical Drive
116
Replacing the Diskette Drive or Card Reader
118
Replacing the Front Fan Assembly
119
Replacing the Rear Fan Assembly
121
Replacing the Internal Speaker
123
Replacing the Front Audio and USB Assembly
125
Completing the FRU Replacement
126
Chapter 9. Replacing Frus (Machine Types: 7522, 7560, 7610, and 7705.)
129
Locating Connectors on the Front of Your Computer
130
Locating Connectors on the Rear of Your Computer
131
Opening the Computer Cover
132
Accessing the System Board Components and Drives
133
Locating Components
134
Locating Parts on the System Board
135
Installing or Replacing a Memory Module
136
Installing or Replacing an Adapter Card
138
Replacing the Battery
140
Replacing the Hard Disk Drive
142
Replacing the Optical Drive
143
Replacing the Power Supply Assembly
146
Replacing the Heat Sink and Fan Assembly
148
Replacing the Microprocessor
150
Replacing the System Board
153
Replacing the Card Reader
155
Replacing the Front Audio and USB Assembly
156
Replacing the Internal Speaker
157
Completing the FRU Replacement
161
Chapter 10. FRU Lists
163
Machine Type 7515
163
Machine Type 7522
181
Machine Type 7523
199
Machine Type 7560
212
Machine Type 7569
226
Machine Type 7610
239
Machine Type 7611
253
Machine Type 7705
268
Chapter 11. Additional Service Information
283
Security Features
283
Hardware Controlled Passwords
283
Operating System Password
283
Vital Product Data
283
BIOS Levels
283
Updating (Flashing) BIOS from a Disc
284
Updating (Flashing) BIOS from Your Operating System
284
Recovering from a POST/BIOS Update Failure
284
Power Management
285
Automatic Configuration and Power Interface (ACPI) BIOS
285
Automatic Power-On Features
285
Appendix. Notices
287
Television Output Notice
288
Trademarks
288
Index
289
Lenovo ThinkCentre 7721 User Manual (80 pages)
User Manual
Brand:
Lenovo
| Category:
Desktop
| Size: 1.53 MB
Table of Contents
Table of Contents
5
Important Safety Information
7
Chapter 1. Product Overview
9
Features
9
Specifications
12
Software Overview
13
Software Provided with Your Windows Operating System
13
Antivirus Software
14
Locations
14
Locating Connectors on the Front of Your Computer
14
Locating Connectors on the Rear of Your Computer
15
Locating Components
17
Locating Parts on the System Board
18
Chapter 2. Installing Options and Replacing Hardware
19
Handling Static-Sensitive Devices
19
Installing Options and Replacing Hardware
19
Installing External Options
19
Opening the Computer Cover
20
Accessing the System Board Components and Drives
21
Installing or Replacing a Memory Module
21
Installing or Replacing an Adapter Card
23
Installing Internal Drives
25
Drive Specifications
26
Connecting a Sata Drive
28
Replacing the Hard Disk Drive
29
Replacing the Optical Drive
31
Replacing the Battery
33
Replacing the Power Supply Assembly
35
Replacing the Heat Sink and Fan Assembly
37
Replacing the Microprocessor
39
Replacing the Keyboard
42
Replacing the Mouse
42
Completing the Parts Replacement
43
Installing Security Features
45
Integrated Cable Lock
45
Password Protection
45
Erasing Lost or Forgotten Passwords (Clearing CMOS)
46
Chapter 3. Recovery Information
47
Creating and Using Product Recovery Discs
47
Performing Backup and Recovery Operations
48
Using the Rescue and Recovery Workspace
50
Creating and Using Rescue Media
51
Creating and Using a Recovery Repair Diskette
52
Recovering or Installing Device Drivers
52
Setting a Rescue Device in the Startup Sequence
53
Solving Recovery Problems
53
Chapter 4. Using the Setup Utility
55
Starting the Setup Utility Program
55
Copyright Lenovo
55
Viewing and Changing Settings
55
Using Passwords
55
Password Considerations
56
Power-On Password
56
Privileged Access Password
56
Setting, Changing, and Deleting a Password
56
Enabling or Disabling a Device
57
Selecting a Startup Device
57
Selecting a Temporary Startup Device
57
Selecting or Changing the Startup Device Sequence
58
Advanced Settings
58
Exiting from the Setup Utility Program
58
Chapter 5. Updating System Programs
59
Using System Programs
59
Updating (Flashing) BIOS from a Disc
59
Updating (Flashing) BIOS from Your Operating System
60
Recovering from a POST/BIOS Update Failure
60
Chapter 6. Troubleshooting and Diagnostics
63
Basic Troubleshooting
63
Diagnostic Programs
64
Lenovo System Toolbox
65
PC-Doctor for Windows PE
65
PC-Doctor for DOS
66
Cleaning the Mouse
66
Optical Mouse
66
Non-Optical Mouse
67
Chapter 7. Getting Information, Help, and Service
69
Information Resources
69
Online Books Folder
69
Lenovo Care
69
Lenovo Welcome
70
Access Help
70
Safety and Warranty
70
Lenovo Web Site (Http://Www.lenovo.com)
70
Help and Service
71
Using the Documentation and Diagnostic Programs
71
Calling for Service
71
Using Other Services
72
Purchasing Additional Services
72
Appendix. Notices
73
Television Output Notice
74
Trademarks
74
Index
75
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