Compaq Compaq Evo Desktop, 177620-006 manual Control Panel. If the problem, Reference Guide for

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Post Error Messages

Numeric Codes and Text Messages

Code/Message	Beeps	Probable Cause	Recommended Action

102-System	None	DMA, timers, and so	1.	Clear CMOS.
Board Failure		forth.	2.	Remove expansion boards.
			2.	Remove expansion boards.
			3.	Replace the system board.

103-System	None	DMA, timers, and so	1.	Clear CMOS.
Board Failure		forth.	2.	Remove expansion boards.
			2.	Remove expansion boards.
			3.	Replace the system board.

150-SafePost	None	A PCI expansion card	1.	Restart the computer.
Active		is not responding.	2.	Disable SafePost.
			2.	Disable SafePost.
			3.	If the expansion card
				does not respond, replace
				the card.

162-System	2S*	Configuration incorrect.	Run Computer Setup.
Options Not Set		RTC (real-time clock)	Reset the date and time under
		RTC (real-time clock)	Reset the date and time under
		battery may need to	Control Panel. If the problem
		be replaced. Battery	persists, replace the RTC
		life is approximately	battery. See the Hardware
		3–5 years.	Reference Guide for
			instructions on installing a new

battery, or contact your Compaq authorized dealer or reseller for RTC battery replacement.

*L = Long, S = Short

A–2	Troubleshooting Guide

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Contents Troubleshooting Guide Troubleshooting Guide Sixth Edition May Document Part Number Contents Installing Scsi Drivers for Windows NT Installation Index Computer Diagnostic Features Compaq Diagnostics for WindowsMenu Bar-File, Categories, Navigation, Level, Tab, Help Installing Compaq Diagnostics for Windows Tabs-Overview, Test, Status, Log, ErrorUsing Categories in Compaq Diagnostics for Windows Running Diagnostic Tests in Compaq Diagnostics for Windows Computer Diagnostic Features Compaq Configuration Record Utility Running Configuration Record UtilityCompaq Remote Diagnostics Enabling Agent Window FileStarting the Remote Diagnostics Enabling Agent Protecting Your Software Restoring Your SoftwareTroubleshooting Without Diagnostics Helpful Hints Solving General Problems Solving General ProblemsProblem Cause Solution Control Panel Computer Setup See the Hardware Reference GuideNum Lock key Solving Power Supply Problems Solving Power Supply ProblemsSolving Power Supply Problems Solving Diskette Problems Solving Diskette ProblemsUse Computer Setup to check Accessories System Tools Under Error-checking, clickClick Start Programs ScanDiskOrder Storage Storage OptionsSolving Hard Drive Problems Solving Hard Drive ProblemsPower-On Controllers in Storage Storage Power-On OptionsOptions Storage Boot Order list Solving Display Problems Solving Display ProblemsSolving Display Problems Solving Display Problems Solving Audio Problems Solving Audio ProblemsFrom the Control Panel Audio Devices, then clickSolving Audio Problems Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer ProblemsSolving Keyboard and Mouse Problems Solving Keyboard ProblemsClick Shut Down or Turn Off Computer. The Turn OffSolving Mouse Problems To select Shut Down or TurnSolving Hardware Installation Problems Solving Hardware Installation ProblemsSolving Hardware Installation Problems Solving Network Problems Solving Network ProblemsUnder the Computer Setup Using the Compaq Restore CD Use the Computer Setup to disable the embedded NICSolving Processor Problems Solving Processor ProblemsSolving Memory Problems Solving Memory ProblemsSolving Memory Problems Solving Scsi Problems Solving Scsi ProblemsStorage Boot Order, and enable Storage Controller Order,Solving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Solving Software Problems Solving Software ProblemsContacting Compaq Customer Support Numeric Codes and Text Messages Post Numeric Codes and Text MessagesCode/Message Beeps Probable Cause Recommended Action Control Panel. If the problem Reference Guide forControl Panel Computer Hardware Reference Guide forNumeric Codes and Text Messages Hardware Reference Guide Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages ROM Bios Run Computer Setup Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes Activity Beeps Probable Cause Recommended ActionNum Lock LED On Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes Second on select Password Security and Resetting Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Using the Cmos ButtonCmos button Using Computer Setup to Reset Cmos Drive Protection System DPS Introducing the Drive Protection SystemAccessing DPS Through Compaq Diagnostics for Windows Panel Compaq DiagnosticsAccessing DPS Through Computer Setup Select Storage IDE DPS Self-TestSetting up Analog/Digital Audio Output Microsoft Windows 98 and Microsoft WindowsMicrosoft Windows NT Microsoft Windows XPClick Properties Click Settings Installing Scsi Drivers for Windows NT Installation Installing Scsi Drivers for Windows NT Installation Index Index-2 Protecting