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Lenovo ThinkCentre 7490 PC
Manufacturer:
Model:
ThinkCentre 7490
Date:
2012
Class:
Type:
SubType:
Service Manual
Manual type:
Service Manual
Pages:
282
Size:
10.57 Mbytes (11085145 Bytes)
Language:
english
Revision:
Fourth Edition
Manual-ID:
0A22504
Date:
2012 02 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2019 10 12
MD5:
f372c7c2a8611dcd38942d2a15c408ca
Downloads:
5361

Information

Hardware Maintenance Manual Chapter 1. About this manual ... 1 Important safety information ... . 1 Important information about replacing RoHS compliant FRUs ... . 1 Chapter 2. Safety information ... 3 General safety ... . . . . . 3 Electrical safety ... . . . . . 3 Voltage-selection Switch ... . . . . . 5 Safety inspection guide ... . . . . . 5 Handling electrostatic discharge-sensitive devices ... . 6 Grounding requirements ... . 29 Lenovo ThinkVantage Tools ... . 29 Lenovo Welcome ... . 29 Lenovo Solution Center ... . 29 SimpleTap ... . 29 Information resources ... . 29 Specifications ... . 29 Specifications: 4165, 7179, 7182, 7490, 7493, 7511, and 7521 ... . 30 Specifications: 7181, 7189, 7239, 7492, 7507, 7513, and 7529 ... . 31 Chapter 4. General checkout ... . 33 Problem determination tips ... . 33 Chapter 5. Diagnostic programs . . . 35 Lenovo ThinkVantage Toolbox ... . . 35 Lenovo Solution Center ... . . 35 PC-Doctor for DOS ... . . 36 Creating a diagnostic disc ... . . 36 Running the diagnostic program from the diagnostic disc ... . . 36 Navigating through the diagnostic programs . 36 Running tests ... . . 36 Viewing the test log ... . . 38 Chapter 6. Using the Setup Utility program ... . 39 Starting the Setup Utility program . . . . . . . 39 Viewing or changing settings . . . . . . . . . 39 Using passwords ... . . . . . . . . 40 Administrator password ... . . . Setting, changing, or deleting a password . . Enabling or disabling a device ... . . . Selecting a startup device ... . . . Selecting a temporary startup device . . . . Viewing or changing the startup device sequence ... . . . Exiting the Setup Utility program ... . . . Chapter 7. Symptom-to-FRU index . . Hard disk drive boot error . . . . . . . . . . Power Supply Problems . . . . . . . . . . . Diagnostic error codes . . . . . . . . . . . Beep symptoms ... . . . . . . . . . POST error codes ... . . . . . . . . . Miscellaneous error messages . . . . . . . . Undetermined problems . . . . . . . . . . . Chapter 8. Installing or replacing hardware: 4165, 7179, 7182, 7490, 7493, 7511, and 7521 ... . Locations ... . Locating connectors, controls, and indicators on the front of your computer ... . Locating connectors and parts on the rear of your computer ... . Locating components ... . Locating internal drives ... . Handling static-sensitive devices ... . Installing or replacing hardware ... . Installing external options ... . Removing the computer cover ... . Removing and reinstalling the front bezel . . Installing or replacing a PCI card ... . Installing or replacing a memory module . . . Replacing the battery ... . Replacing the power supply assembly . . . Replacing the heat sink and fan assembly . . Replacing the microprocessor ... . Replacing the optical drive ... . Replacing the Hard disk drive ... . Replacing the card reader ... . Replacing the front audio and USB assembly ... . Replacing the rear fan assembly ... . Replacing the system board ... . Completing the parts replacement ... . 98 Chapter 9. Installing or replacing hardware: 7181, 7189, 7239, 7492, 7507, 7513, and 7529 ... . 101 Locations ... . 101 Locating connectors, controls, and indicators on the front of your computer ... . 101 Locating connectors and parts on the rear of your computer ... . 102 Locating components ... . 104 Locating internal drives ... . 105 Handling static-sensitive devices ... . 106 Installing or replacing hardware ... . 106 Installing external options ... . 106 Removing the computer cover ... . 107 Removing and reinstalling the front bezel . . 108 Accessing the system board components and drives ... . 109 Installing or replacing a PCI card ... . 110 Installing or replacing a memory module . . . 113 Replacing the battery ... . 115 Replacing the heat sink and fan assembly . . 116 Replacing the microprocessor ... . 119 Replacing the power supply assembly . . . 121 Replacing the optical drive ... . 125 Replacing the Hard disk drive ... . 128 Replacing the card reader ... . 131 Replacing the front fan assembly ... . 132 Replacing the system board ... . 134 Completing the parts replacement ... . 138 Chapter 10. FRU lists ... . 141 Overall: MT 7181, 7189, 7492, 7507, 7513, 7529, and 7239 ... . 141 Mechanical FRUs ... . 148 Keyboard and Mouse ... . 151 Adapters and miscellaneous FRUs ... . 180 Power Cords ... . 182 Recovery discs ... . 188 Windows 7 Starter Recovery CD ... . 188 Windows 7 Home Basic 32 Recovery CD . . 190 Windows 7 Home Premium 32 Recovery CD ... . 191 Windows 7 Home Premium 64 Recovery CD ... . 197 Windows XP Professional 32 Recovery CD . . 198 Windows Vista Business 32 Recovery CD . . 199 Overall: MT 4165, 7179, 7182, 7490, 7493, 7511, and 7521 ... . 200 Mechanical FRUs ... . 207 Keyboard and Mouse ... . 210 Adapters and miscellaneous FRUs ... . 239 Power Cords ... . 241 Recovery discs ... . 247 Windows 7 Starter Recovery CD ... . 247 Windows 7 Home Basic 32 Recovery CD . . 249 Windows 7 Home Premium 32 Recovery CD ... . 250 Windows 7 Home Premium 64 Recovery CD ... . 259 Chapter 11. Additional service information ... . 261 Security features ... . 261 Hardware-controlled passwords ... . 261 Operating system password ... . 261 Vital Product Data ... . 261 BIOS levels ... . 261 Updating (flashing) the BIOS from your operating system ... . 262 Recovering from a POST and BIOS update failure ... . 262 Power management ... . 263 Advanced Configuration and Power Interface (ACPI) BIOS ... . 263 Automatic Power-On features ... . 263 Chapter 12. Getting information, help, and service ... 265 Information resources ... . . . 265 Lenovo ThinkVantage Tools ... . . . 265 Lenovo Welcome ... . . . 265 Access Help ... . . . 265 Safety and warranty ... . . . 265 Lenovo Web site (http://www.lenovo.com) . . 266 Help and service ... . . . 266 Using the documentation and diagnostic programs ... . . . 266 Calling for service ... . . . 266 Using other services ... . . . 267 Appendix A. Notices ... . 269 Television output notice ... . 270 European conformance CE mark ... . 270 Trademarks ... . 270 Index ... . 271

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