Message/Symptom FRU/ActionNon-system disk or disk error-type message witha known-good diagnostic diskette. 1. Diskette Drive2. System Board3. Diskette Drive Cable4. Riser cardDrives not recognized by the Fixed Disk diagnostic(e.g., you have six drives but the fixed disk testonly shows three)1. Remove the first drive that does not show upand rerun the Fixed Disk diagnostic. If theremaining drives then show up, replace thedrive you removed.Hang during Fixed Disk diagnostic 1. Remove the hard file being tested at the timeof the hang.2. Rerun the diagnostic.3. If successful, replace the drive you removed.Other display symptoms not listed above(including blank or illegible display) 1. See “Display” on page 322. System Board3. DisplayPower-on indicator or hard disk drive in-use lightnot on, but computer works correctly 1. Power Supply2. System Board3. LED CablesPrinter problems 1. See “Printer” on page 29Program loads from the hard disk with aknown-good diagnostics diskette in the first3.5-inch diskette drive1. Run Setup2. Diskette Drive3. Diskette Drive Cable4. System Board5. Riser card6. Power SupplyRPL computer cannot access programs from itsown hard disk. 1. If network administrator is using LCCMHybrid RPL, check startup sequence:a. First device - networkb. Second device - hard disk2. Hard disk driveRPL computer does not RPL from server 1. Check startup sequence2. Check the network adapter LED statusChapter 2. Types 6568/6569/6648/6649 89
