3.1 Troubleshoot Windows: Failure to Boot or No OS Found 3. Software Troubleshooting (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002 This entry is part 198 of 278 in the series Comptia A+ (Plus) 220-1002 Series Failure to Boot No OS Found Author: Previous Article 3.1 Troubleshoot Windows: Limited Connectivity Next Article 3.1 Troubleshoot Windows: Application Crashes Latest Posts Storage Area Network (SAN) APM and ACPI Acceptable Use Policy