Aspire 5220/5520/5520G User's Guide
Page 104
...alphabetical order together with common system problems. Read it before calling a technician if a problem occurs. Error messages Corrective action CMOS battery bad Contact your dealer or an authorized service center. type error I/O parity error Contact your dealer or an authorized service center.... The following table lists the error messages in the BIOS utility to open the computer yourself; CMOS checksum error Contact your dealer or an authorized service center. keyboard connected Keyboard interface error Contact your dealer or an...
...alphabetical order together with common system problems. Read it before calling a technician if a problem occurs. Error messages Corrective action CMOS battery bad Contact your dealer or an authorized service center. type error I/O parity error Contact your dealer or an authorized service center.... The following table lists the error messages in the BIOS utility to open the computer yourself; CMOS checksum error Contact your dealer or an authorized service center. keyboard connected Keyboard interface error Contact your dealer or an...
Aspire 5220/5520/5520G Service Guide
Page 85
..."Keyboard or Auxiliary Input Device Check" on page 87. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. System CMOS checksum bad - Battery critical LOW In this situation BIOS will shut down system, no message will show message.... at offset: nnnn DIMM System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. CPU BIOS Update Code Mismatch 2. Unlock key switch Unlock external keyboard Monitor type does not match...
..."Keyboard or Auxiliary Input Device Check" on page 87. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. System CMOS checksum bad - Battery critical LOW In this situation BIOS will shut down system, no message will show message.... at offset: nnnn DIMM System board Extended RAM Failed at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. CPU BIOS Update Code Mismatch 2. Unlock key switch Unlock external keyboard Monitor type does not match...
Aspire 5220/5520/5520G Service Guide
Page 86
... conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - System board Run "Load Default Settings" in Sequence RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Run "Load Default Settings" in BIOS ... drive Hard disk drive System board 93 Chapter 4 Default configuration used Memory size found FRU/Action in BIOS Setup Utility. RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility See "External...
... conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - System board Run "Load Default Settings" in Sequence RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Run "Load Default Settings" in BIOS ... drive Hard disk drive System board 93 Chapter 4 Default configuration used Memory size found FRU/Action in BIOS Setup Utility. RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility See "External...