37Keysight E5052B Signal Source AnalyzerInstallation Guide3 TroubleshootingThis chapter describes the troubleshooting during start up and the procedureof the operating system (OS) recovery when the Windows OS has beendamaged.Troubleshooting during StartupWhen you encounter the problem during start up, see Table 3-1. Systemrecovery saves most of problems.Table 3-1 Troubleshooting during startupSymptom SolutionTurning on (|) the standby switch does notstart up the system.Confirm that the power cable is properlyplugged in.Confirm that the line switch on the rearpanel is turned onThe system starts up, but it automaticallyshuts down immediately.Execute the system recovery.The system starts up, but it enters theservice mode (The instrument status barin the lower right part of the screendisplays SVC in red).The measurement screen appears afterstartup, but the power on test failed,appearing against a red background inthe instrument message/warning area inthe lower left part of the screen.