Chapter 24
Troubleshooting Operating Systems and Security
THE FOLLOWING COMPTIA A+ 220-1002 EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
- ✓ 3.1 Given a scenario, troubleshoot Microsoft Windows OS problems.
- Common symptoms: Slow performance, Limited connectivity, Failure to boot, No OS found, Application crashes, Blue screens, Black screens, Printing issues, Services fail to start, Slow bootup, Slow profile load
- Common solutions: Defragment the hard drive, Reboot, Kill tasks, Restart services, Update network settings, Reimage/reload OS, Roll back updates, Roll back devices drivers, Apply updates, Repair application, Update boot order, Disable Windows services/applications, Disable application startup, Safe boot, Rebuild Windows profiles
- ✓ 3.2 Given a scenario, troubleshoot and resolve PC security issues.
- Common symptoms: Pop-ups, Browser redirection, Security alerts, Slow performance, Internet connectivity issues, PC/OS lockup, Application crash, OS updates failures...