Acer Aspire 4750Z Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 90

Error Message List Error Messages Failure Fixed Disk Stuck Key Keyboard error Keyboard Controller Failed Keyboard locked - Unlock key switch Monitor type does not match CMOS - Run Setup Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn System battery is dead - Replace and run Setup System CMOS checksum bad - Default configuration used System timer error Real time clock error Previous boot incomplete - Default configuration used Memory size found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed FRU/Action in Sequence Reconnect hard disk drive connector. "Load Default Settings" in BIOS Setup Utility. Hard disk drive System board see "Keyboard or Auxiliary Input Device Check" on page 78. see "Keyboard or Auxiliary Input Device Check" on page 78. see "Keyboard or Auxiliary Input Device Check" on page 78. Unlock external keyboard Run "Load Default Settings" in BIOS Setup Utility. BIOS ROM System board DIMM System board DIMM System board Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. DIMM System board Check the drive is defined with the proper diskette type in BIOS Setup Utility See "External Diskette Drive Check" on page 78. Check the drive is defined with the proper diskette type in BIOS Setup Utility System board System board DIMM System board DIMM System board 82 Chapter 4