A+ Operating Systems Technologies Exam Objectives

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DOMAIN 3.0: Diagnosing and Troubleshooting

This domain requires the ability to apply knowledge to diagnose and troubleshoot common problems relating to Windows 9x and Windows 2000. This includes understanding normal operation and symptoms relating to common problems.

Content Limits

3.1 Recognize and interpret the meaning of common error codes and startup messages from the boot sequence, and identify steps to correct the problems.

Content may include the following:
	Safe Mode
	No operating system found
	Error in CONFIG.SYS line XX
	Bad or missing COMMAND.COM
	HIMEM.SYS not loaded
	Missing or corrupt HIMEM.SYS
	SCSI
	Swap file
	NT boot issues
	Dr. Watson
	Failure to start GUI
	Windows Protection Error
	Event Viewer – Event log is full
	A device referenced in SYSTEM.INI, WIN.INI, Registry is not found

3.2 Recognize common problems and determine how to resolve them.

Content may include the following:
	Eliciting problem symptoms from customers
	Having customer reproduce error as part of the diagnostic process
	Identifying recent changes to the computer environment from the user
	Troubleshooting Windows-specific printing problems
	Print spool is stalled
	Incorrect/incompatible driver for print
	Incorrect parameter
	Other Common problems
	General Protection Faults
	Illegal operation
	Invalid working directory
	System lock up
	Option (Sound card, modem, input device) or will not function
	Application will not start or load
	Cannot log on to network (option – NIC not functioning)
	TSR (Terminate Stay Resident) programs and virus
	Applications don’t install
	Network connection
	Viruses and virus types
	What they are
	Sources (floppy, emails, etc.)
	How to determine presence

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