Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 67

4-3-4 4-4-1 4-4-2 4-4-3 4-4-4 Time-of-day clock stopped Serial-port test failure Parallel-port test failure Math coprocessor failure Cache test failure Bad battery or defective system board Faulty I/O chip (defective system board) Faulty system board Faulty microprocessor chip or system board Defective microprocessor or system board System error messages typically are presented on the screen during the POST but can occur any time an error is detected by the system. System messages are very useful in troubleshooting the system. Some of these messages require operator intervention to solve; others indicate fatal errors that must be solved before the system will reboot. Table 3-2 lists the system error messages that can occur and the probable cause for each message. BIOS found faulty disk sector or could not find particular disk sector. Diskette drive or harddisk drive controller cannot send data to associated drive. Command entered does not exist or is not in pathname specified. Diskette drive or harddisk drive controller detected uncorrectable read error. Faulty diskette/tape drive subsystem or hard-disk drive subsystem (defective system board). Faulty interface cable or connector. Bad command. Faulty diskette/tape drive subsystem or hard-disk drive subsystem (defective system board). Hard-disk drive or associated controller defective. Beep Codes and Error Messages 3-3