Error Symptoms Action/FRU Power Supply, Other Problems | IBM 2274

Error Symptoms		Action/FRU

Power Supply

Pressing power switch does	1.	Power switch cable
not turn off system. (Only		assembly
unplug power cord from	2.	“Power Supply” on page
electrical outlet can turn off		69
system.)

Pressing power switch does	1.	Ensure the power
not turn on system.		override switch (situated
		at the back of the
		machine, just above the
		connector for the power
		cable) is not set to off.
	2.	Power switch cable
		assembly

Executing software	1.	Load default settings.
shutdown from Windows98	2.	Reload software from
Start menu does not turn off		Recovery CD.
system. (Only pressing
power switch can turn off
the system).

No system power, or power	1.	“Power Supply” on page
supply fan is not running.		69
	2.	System board.

Other Problems

Any other problems.	1.	See “Undetermined
		Problems” on page 74

Check Procedures 53

Image 87

IBM 2274 manual Error Symptoms Action/FRU Power Supply, Other Problems

Contents

Hardware Maintenance Service for Service Level a Page Contents Electrical input Operating Requirements Check ProceduresDiagnostic Aids System Backup Battery Safety Inspection Guide Parts/Test Point LocationsParts Catalog Appendix A. FRU Number List Appendix B. Online SupportIndex Voltage Supply Range Voltage Switch Setting Voltage Supply Switch Settings To Connect To Disconnect Safety Information Do not Para Desconectar Para Conectar Cuidado Cuidado Page Xiv Page Xvi Connexion Déconnexion Xviii Page Kabel anschließen Kabel lö sen Vorsicht Achtung Xxii Instrumenten betrachten und den Strahlungsbereich meiden Per collegare Per scollegare Pericolo Xxiv Attenzione Attenzione Xxvi Page Instrucciones de Conexió n Desconexió n Xxviii Peligro Page Categorie Laser Compliance Statement HelpCenter Trademarks Preface Appendix A, FRU Number Index contains partNumbers listed in numerical order Xxxiv General Information Introduction Product Overview ProcessorMemory External Port Diskette DriveHard Disk Drive Power Management DVD-ROM DriveMultimedia Power Supply Internal CablingMonitor Not included with some models Mouse Keyboard Interface Hardware Interfaces USB Cmos Reset Power-On Password Flash Bios Update Procedure Type ADMICFG.EXE/ type 01 05 Type BIOS-contained Model Number and Serial Number Working with the Configuration/Setup Utility Menu Bios Configuration/Setup Utility Keys Function Changing Parameter Settings Save & Exit Settings Devices and I/O ports Viewing System Information, and Product Data Onboard Parallel Port Onboard Parallel ModeECP Mode Use DMA Onboard Serial Port Onboard Sound IDE Prefetch ModeMPU-401 --Enabled USB Mouse Support Startup Options Keyboardless Operation Setting a Power-On Password Delete Power-On Password Changing the Power-On Password External Cache Advanced SetupVideo Bios Shadow CPU Internal Cache Power Management Setup PM Control by APM HDD Power DownDoze Mode Suspend Mode Video Off Method Activity MonitorPrimary Intr Date Month Power On by PCI CardRTC Alarm Resume Modem Ring ResumePage Specifications Operating Requirements Check Procedures Index of Symptoms, Messages, Error Codes, or Start Read the Following Insert diagnostics diskette in the diskette drive 007 005 009 Index of Symptoms, Messages, Error Codes, or Beeps Page Bios Error Codes Action/FRU Messages Post Error Codes and Messages List Post Error Codes and Messages List Post Error Codes and Messages List Post Error Codes and Messages List Bios Error Beeps Action/FRU Bios Error Beeps List Error Symptoms List Error Symptoms Action/FRU Processor / Processor FanSystem Board and Memory Diskette Drive Error Symptoms Action/FRU Check Procedures CN6 HDD Hard Disk Drive Error Symptoms Action/FRU CD/DVD-ROM Drive Date and Time on Video and Monitor Keyboard Diagnostic ProgramParallel/Serial Ports Joystick Other Problems Error Symptoms Action/FRU Power Supply Factory-Installed Storage Devices Troubleshooting Select Utility from the menu 003 005 Page 002 Factory-Installed Modem Card Modem adapter functions normally End Select Program, then select Accessories, Hyper TerminalSelect an on-line service station, dial and connect to it Start Microsoft Windows Select the Start icon Audio Not Supported by Diagnostics Program 008 Select Settings, then select Control Panel004 006Page CD/DVD-ROM Drive Replace CD/DVD-ROM drive End IBM Desktop System HMM Replace system board End Follow the screen instructions to run the Memory test Memory Replace the system board End KeyboardKeyboard is functioning normally End Try with a known good keyboard Mouse is functioned normally End MouseTest right left button and check if right left button works Test mouse cursor movement 011 Try with a known good mouse010 Replace the mouse End Disconnect the power cord from the back of the system unit Power Supply Pin-hole side view Replace the power supply End Check Procedures Replace the on/off switch cable assembly Monitor Is the Screen READABLE? YES, Read AHEAD. NO, GO to Step Dimm Undetermined ProblemsPage IBM Desktop System HMM Diagnostic Aids Introduction Power-On Self Test Page Using the Diagnostic Diskette Diagnostic Diskette Using Diagnostic Program from Recovery CD Submenu Selections Diagnostics Program Features Diagnostic Program Main Menu Selections Repair Information Removals and Replacements Handling ESD-Sensitive Parts Bay Identifying the Parts of the System Unit Adapter card slots Adapter card connectorsPower supply Adapter cards Cover Page Bay Panels Bay 1- 5.25-In. Bay Internal or External Access Page Page Front Panel Power Supply Adapter Cards MemoryDIMM AMD K7 Duron Processor Page System Backup Battery Indicator LED and Cable System Board Page IBM Desktop System HMM Parts/Test Point Locations Parts/Test Point Locations Introduction Jumper/Settings Function System Board Jumpers ConnectorsSystem Board Jumper Setting System Board Connector Functions CN6 Power Supply Connectors and Voltages Power Supply Output Pin AssignmentPin Voltage Cable Color +5Vdc Green Ground Black No connect Red Network Cards RJ-45 connector is used Accton Parts/Test Point Locations Factory-Installed Modem Card Layout Askey GVC Factory-Installed Modem Card Connector FunctionsFunction Connect to RJ11 connector Telephone line Nvidia M64 w/ TV Out, 32MB Nvidia NV10 w/ TV Out, 32MB Video Cards D Signal Pin Assignments Pin SignalOptional output from monitor IBM Desktop System HMM In. Hard Disk Drive Jumper Settings J50 Description Lite-on CD-ROM Drive CD-ROM Emergency-exit option CD-ROM Front Panel Introduction CD-ROM Drive Rear Panel Connectors and Jumpers CD-ROM Drive Rear Panel Connectors and JumpersFunction Connect to CD-ROM R/W Front Panel Introduction CD-ROM R/W Drive CD-ROM R/W Drive Rear Panel Connectors and Jumpers DVD-ROM Front Panel Introduction DVD-ROM Drive Front Panel and Emergency-Exit DVD-ROM Drive Rear Panel Connectors and Jumpers DVD-ROM Drive Rear Panel Connectors and JumpersFunction Connect Dimm Configurations Pin Signal Name System Board Connector Pin SignalsMonitor Port Signals Serial Port Signals Parallel Port Signals Mouse Port SignalsKeyboard Port Signals Diskette Drive Cable Connector Signals IDE Cable Connector Signals Safety Inspection Guide General Guidelines Parts Catalog Parts Catalog Country Language Version Abbreviations Index Number System AssemblyAssembly 1 System Uni Asm IBM Desktop System HMM Assembly 2 Diskette, Hard Drive and Zip Drive Assembly 3 CD/DVD-ROM Drive Assembly 4 Power Cord Assembly 5 Keyboard and Mouse FRU Number Asm-Index FRU Number List 20L2197 Online Support Appendix B. Online Support InformationPage Index Audio Check ProcedurePage Page