Options 3-39Device TroubleshootingOne beep indicates that the computer has completed its power-on self-test. If intermittentbeeping occurs, turn off the computer and try again. If the beeping persists, see Section 4“Maintenance and Troubleshooting.”Table Section 3-7 summarizes problems that may develop after installing a hard disk driveand lists in sequential order suggested corrective actions.Table Section 3-7 Optional 5 1/4-Inch Device Problems and SolutionsProblem Symptom SolutionNo power Power lamp on computerstatus panel will not light.1. Check that the power cord is plugged into theAC connector on the computer. Check that theother end of the cord is plugged into a liveproperly grounded AC power outlet.Operatingsystem doesnot bootAn invalid configurationmessage is displayed. 1. Press F1 to run setup and view parameters.2. Check installation of the operating system onthe hard disk.3. Check to see if the system will boot from adiskette drive.Keyboard ormousemalfunctionMonitor has prompt, butcannot input data.1. Check that the keyboard is plugged in.2. Check that the mouse is plugged in.Diskette drivedoes not workLamp on drive panel doesnot light when diskette isloaded.1. Check power and signal cable connectionsbetween diskette drive, system board, and powersupply.2. Check that system configuration matchesdiskette drive signal connectors (end connectoris A middle connector is B).3. Check diskette drive jumpers or switches,and setup configuration.4. Swap the diskette signal and power cablesbetween drives.5. Replace diskette drive.6. Replace system board.
