Hardware Maintenance Manual
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...the front audio/USB assembly . . . . 111 Replacing the power switch/LED assembly . . . 112 Replacing the CMOS battery 113 Completing the FRU replacement 114 Chapter 9. Contents Chapter 1. Hard disk drive boot error 55 Power Supply Problems 55 ...error messages 81 Undetermined problems 82 Chapter 8. General Checkout . . . . . 43 Problem determination tips 43 Chapter 5. Symptom-to-FRU Index . . . 55 © Lenovo 2005, 2009. About this manual . . . . . 1 Important Safety Information 1 Important information about replacing RoHS compliant FRUs 2 Chapter 2. Safety information . . . ...
...the front audio/USB assembly . . . . 111 Replacing the power switch/LED assembly . . . 112 Replacing the CMOS battery 113 Completing the FRU replacement 114 Chapter 9. Contents Chapter 1. Hard disk drive boot error 55 Power Supply Problems 55 ...error messages 81 Undetermined problems 82 Chapter 8. General Checkout . . . . . 43 Problem determination tips 43 Chapter 5. Symptom-to-FRU Index . . . 55 © Lenovo 2005, 2009. About this manual . . . . . 1 Important Safety Information 1 Important information about replacing RoHS compliant FRUs 2 Chapter 2. Safety information . . . ...
Hardware Maintenance Manual
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CMOS Battery 2. System board System board System board 1. See "Flash update procedures" on page 396 2. Video Ram 2. Run Setup 2. Video cable 2. Symptom-to-FRU Index 61 System ..." on page 396 2. Diagnostic Error Code 001-286-XXX 001-287-XXX 001-288-XXX System Timer failure 001-292-XXX System CMOS RAM error 001-293-XXX System CMOS Battery 001-298-XXX System RTC date/time update failure 001-299-XXX System RTC periodic interrupt failure 001-300-XXX System RTC...
CMOS Battery 2. System board System board System board 1. See "Flash update procedures" on page 396 2. Video Ram 2. Run Setup 2. Video cable 2. Symptom-to-FRU Index 61 System ..." on page 396 2. Diagnostic Error Code 001-286-XXX 001-287-XXX 001-288-XXX System Timer failure 001-292-XXX System CMOS RAM error 001-293-XXX System CMOS Battery 001-298-XXX System RTC date/time update failure 001-299-XXX System RTC periodic interrupt failure 001-300-XXX System RTC...
Hardware Maintenance Manual
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POST does the following operations. POST Error Message CMOS battery failed Description/Action The CMOS battery is no keys are installed, make sure the hard disk drive selection in Setup is working If the POST detects a problem, an error message appears ... down the memory areas being tested. CMOS checksum error - Make sure the keyboard is correctly installed. CPU at nnnn Press Esc to -FRU Index 79 Checksum of the microprocessor. If POST detects an error during POST. A single problem can cause several error messages to a weak CMOS battery. POST error codes Each time you...
POST does the following operations. POST Error Message CMOS battery failed Description/Action The CMOS battery is no keys are installed, make sure the hard disk drive selection in Setup is working If the POST detects a problem, an error message appears ... down the memory areas being tested. CMOS checksum error - Make sure the keyboard is correctly installed. CPU at nnnn Press Esc to -FRU Index 79 Checksum of the microprocessor. If POST detects an error during POST. A single problem can cause several error messages to a weak CMOS battery. POST error codes Each time you...
Hardware Maintenance Manual
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... drive connector 9 IDE connector 10 Power connector 11 Front fan connector 12 SATA IDE connectors (4) 13 Front panel connector 14 Front USB connectors (2) 15 Battery 16 Clear CMOS/Recovery jumper 17 Serial (COM) connector 18 PCI adapter card slots 19 Mono (speaker) connector 20 Front audio connector 21 CD-IN connector 22...
... drive connector 9 IDE connector 10 Power connector 11 Front fan connector 12 SATA IDE connectors (4) 13 Front panel connector 14 Front USB connectors (2) 15 Battery 16 Clear CMOS/Recovery jumper 17 Serial (COM) connector 18 PCI adapter card slots 19 Mono (speaker) connector 20 Front audio connector 21 CD-IN connector 22...
Hardware Maintenance Manual
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... turn on for information about replacing and disposing of the ThinkCentre Safety and Warranty Guide, go to replace the CMOS battery. Tower Computers 113 To obtain a copy of the battery. To replace the CMOS battery: 1. See "Locating parts on the system board" on how to : http://www.lenovo.com/support This section provides instructions on page 89...
... turn on for information about replacing and disposing of the ThinkCentre Safety and Warranty Guide, go to replace the CMOS battery. Tower Computers 113 To obtain a copy of the battery. To replace the CMOS battery: 1. See "Locating parts on the system board" on how to : http://www.lenovo.com/support This section provides instructions on page 89...
Hardware Maintenance Manual
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...IDE connector 10 Power connector 11 Front system fan connector 12 SATA IDE connectors (4) 13 Front panel connector 14 Front USB connectors (2) 15 Battery 16 Clear CMOS/Recovery jumper 17 Serial (COM) connector 18 PCI adapter card slots (2) 19 Mono (speaker) connector 20 Front audio connector 21 CD-...repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support You might need to remove the drive bay assembly to...
...IDE connector 10 Power connector 11 Front system fan connector 12 SATA IDE connectors (4) 13 Front panel connector 14 Front USB connectors (2) 15 Battery 16 Clear CMOS/Recovery jumper 17 Serial (COM) connector 18 PCI adapter card slots (2) 19 Mono (speaker) connector 20 Front audio connector 21 CD-...repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support You might need to remove the drive bay assembly to...
Hardware Maintenance Manual
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... to replace the CMOS battery. Replacing FRUs - An error message is turned on page 140. Desktop computers 123 Remove the cover. Important Refer to : http://www.lenovo.com/support This section provides instructions on page 119. 3. Remove the old battery. 5. See ".... To replace the CMOS battery: 1. Install the new battery. 6. Chapter 9. If the CMOS battery fails, the date, time, and configuration information (including passwords) are lost. Go to "Completing the FRU replacement" on for information about replacing and disposing of the ThinkCentre Safety and Warranty Guide...
... to replace the CMOS battery. Replacing FRUs - An error message is turned on page 140. Desktop computers 123 Remove the cover. Important Refer to : http://www.lenovo.com/support This section provides instructions on page 119. 3. Remove the old battery. 5. See ".... To replace the CMOS battery: 1. Install the new battery. 6. Chapter 9. If the CMOS battery fails, the date, time, and configuration information (including passwords) are lost. Go to "Completing the FRU replacement" on for information about replacing and disposing of the ThinkCentre Safety and Warranty Guide...