3.4 Troubleshoot Mobile OS Application Issues: Touchscreen Non-Responsive or Inaccurate
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Touchscreen non-responsive Inaccurate touch screen response
Month: June 2002
3.4 Troubleshoot Mobile OS Application Issues: Connectivity
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Intermittent wireless No wireless connectivity No Bluetooth connectivity Cannot broadcast to external monitor
3.3 Best Practice Procedures for Malware Removal
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Identify and research malware symptoms. Quarantine the infected systems. Disable System Restore (in Windows). Remediate the infected systems. Update the anti-malware software. Scan and use removal techniques (safe mode, pre-installation…
3.2 Common Security Issue Symptoms: Access Denied, Invalid Certificate, Logs
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Access denied Invalid certificate (trusted root CA) System/application log errors
3.2 Common Security Issue Symptoms: Hijacked Email
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Responses From Users Regarding Email Automated Replies from Unknown Sent Email
3.2 Common Security Issue Symptoms Part 3
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Rogue antivirus Spam Renamed system files Disappearing files File Permission Changes
3.2 Common Security Issue Symptoms Part 2
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Internet connectivity issues PC/OS lockup Application crash OS updates failures
3.2 Common Security Issue Symptoms Part 1
3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Pop-ups Browser redirection Security alerts Slow performance