Applied Biosystems 7900HT Fast Real-Time PCR System and SDS ...

Chapter 8TroubleshootingTable 8-4Troubleshooting Software and Computer ProblemsObservation Possible Cause Recommended ActionComputer is slow whenanalyzing data, opening orclosing dialog boxes, andother software processesThe computer will not logonto the Windows OperatingSystemThe computer will not bootup at allHard drive isfragmentedHard drive is almostfullLogon window doesnot appearYou are not logged onas the AdministratorAfter the abovesolutions have beentried, the problem isstill not fixedCables are notconnected or are notseated properlyAfter the abovesolution has beentried, the problem isstill not fixedDefragment the hard drive asexplained on “Defragmentingthe Hard Drive” on page 7-54.Remove or archive existingdata files as explained on“Archiving SDS Files” onpage 7-54.Restart the computer and logonto your computer.1. Logoff of your computer.2. Logon again as theAdministrator.Contact Dell for troubleshootingthe computer hardware or OS.Check the cables.The boot disk is corrupted.1. Boot directly off of theWindows NT ® OperatingSystem Installation CD.2. Boot off of the emergencydisk.3. Reload the Windows NTOperating System from theCD.Contact Dell for troubleshootingthe computer hardware.8-16 Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User GuideDRAFTSeptember 1, 2004 11:39 am, CH_Trouble.fm