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6.3.1. Visual Reference Guide

This section provides quick visual references for key concepts covered in the exam.

Windows Tools

ToolPurposeAccess
Task ManagerMonitor processes, performance, startup appsCtrl+Shift+Esc
Device ManagerManage hardware driversdevmgmt.msc
Disk ManagementPartition and format drivesdiskmgmt.msc
Event ViewerView system logseventvwr.msc
ServicesManage Windows servicesservices.msc

Common Stop Codes (BSOD)

Stop CodeCommon Cause
IRQL_NOT_LESS_OR_EQUALDriver issue, faulty RAM
KERNEL_SECURITY_CHECK_FAILUREDriver incompatibility
SYSTEM_SERVICE_EXCEPTIONCorrupt system files, driver issue
CRITICAL_PROCESS_DIEDCritical system process crashed
INACCESSIBLE_BOOT_DEVICEBoot drive not found, corrupt boot sector

Security Threat Indicators

SymptomPossible Cause
Pop-ups outside browserSystem-level adware
Browser homepage changedBrowser hijacker
High CPU when idleCryptominer malware
Unexpected data usageMalware communicating with C&C server
Fake security warningsScareware / rogue antivirus

Troubleshooting Decision Tree

Alvin Varughese
Written byAlvin Varughese
Founder•15 professional certifications