Solving Problems 159Solving ProblemsThis chapter helps you identify and solve problems that might occur whileyou are using the system.Resetting the SystemSome problems can be solved simply by resetting the system. A systemreset clears memory, and resets many registers to initial startup values. Ifthe data in memory or any registers has become corrupt or has beenimproperly set during operation, a system reset will correct the problem.Table 33 lists the various ways in which the system can be reset.Initial System StartupProblems that occur at initial system startup are usually caused by incorrectinstallation or configuration. Hardware failure is a less frequent cause.Checklist• Are all cables correctly connected and secured?• Are all cables correctly connected and secured?• Are the processors fully seated in their slots on the system board?• Are all ISA and PCI cards fully seated in their slots on the systemboard?• Are all switch and jumper settings on the system board correct?Table 33: System Reset MethodsKey or Button Type of ResetCTRL+ALT+DEL Soft boot reset, which clears system memory and reloadsthe operating system.Reset button Clear system memory, restart POST, and reload theoperating system.Power off/on Cold boot reset, which clears system memory, restartsPOST, reloads the operating system, and halts power to allperipherals.
