Miscellaneous error messagesMessage/Symptom FRU/ActionCMOS Backup Battery inaccurate 1. CMOS Backup Battery (see “Safetyinformation” on page 153)2. System BoardChanging colors 1. DisplayComputer will not power-off. See “PowerSupply Errors” on page 47. 1. Power Switch2. System Board3. Riser cardComputer will not RPL from server 1. Ensure that network is in startupsequence as first device or first deviceafter diskette2. Ensure that network adapter is enabledfor RPL3. Network adapter (Advise networkadministrator of new MAC address)Computer will not Wake On LAN (ifapplicable) 1. Check power supply and signal cableconnections to network adapter2. Ensure that the operating system settingsare set to enable Wake on LAN3. Ensure Wake On LAN feature is enabledin Setup/Configuration (see “Starting theIBM Setup Utility program” on page 19)4. Ensure network administrator is usingcorrect MAC address5. Ensure no interrupt or I/O addressconflicts6. Network adapter (advise networkadministrator of new MAC address)Dead computer. See “Power Supply Errors”on page 47. 1. Power Supply2. System Board3. Riser cardDiskette drive in-use light remains on ordoes not light when drive is active. 1. Diskette Drive2. System Board3. Diskette Drive Cable4. Riser cardFlashing cursor with an otherwise blankdisplay. 1. System Board2. Primary Hard Disk Drive3. Hard Disk Drive Cable4. Riser cardIncorrect memory size during POST 1. Run the Memory tests2. Memory Module3. System BoardChapter 7. Symptom-to-FRU Index 87
