Lenovo Aptiva Hardware Maintenance Manual (HMM) for Aptiva 2173, 2178 and 2179 - Page 399
CMOS Backup
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Miscellaneous error messages Message/Symptom FRU/Action CMOS Backup Battery inaccurate. 1. CMOS Backup Battery See page "Safety information" on page 434. 2. System Board Changing colors. 1. Display Computer will not power-off. See "Power supply" on page 327. 1. Power Switch 2. System Board Computer will not RPL from server 1. Ensure Network is in startup sequence as first device or first device after diskette. 2. Ensure Network adapter is enabled for RPL. 3. Network adapter (Advise network administrator of new MAC address) Computer will not Wake On LAN 1. Check power supply and signal cable connections to network adapter. 2. Ensure Wake On LAN feature is enabled in Setup/Configuration. See "Setup Utility program" on page 339. 3. Ensure network administrator is using correct MAC address. 4. Ensure no interrupt or I/O address conflicts. 5. Network adapter (Advise network administrator of new MAC address) Dead computer. See "Power supply" on page 327. 1. Power Switch 2. Power Supply 3. System Board Diskette drive in-use light remains on or does not light when drive is active. 1. Diskette Drive 2. System Board 3. Diskette Drive Cable Flashing cursor with an otherwise blank display. 1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable Incorrect memory size during POST. 1. Run the Memory tests. 2. Memory Module 3. System Board IntelliStation - 6868/6878 389