Aspire 7520 / 7520G User's Guide EN
Page 106
If the problem cannot be resolved, contact your dealer or an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer. CMOS checksum error Contact your dealer or an authorized service center. keyboard connected Keyboard interface error Contact your dealer or an authorized service center. See "Requesting ...
If the problem cannot be resolved, contact your dealer or an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer. CMOS checksum error Contact your dealer or an authorized service center. keyboard connected Keyboard interface error Contact your dealer or an authorized service center. See "Requesting ...
Aspire 7520 / 7520G Service Guide
Page 83
...RAM Failed 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. "Load Default Settings" in BIOS Setup Utility. System board Chapter 4 77 Thermal critical High In this ... no message will shut down system, not show . Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Default configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. IDE Primary Channel Master Drive Error (THe causes ...
...RAM Failed 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. "Load Default Settings" in BIOS Setup Utility. System board Chapter 4 77 Thermal critical High In this ... no message will shut down system, not show . Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Default configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. IDE Primary Channel Master Drive Error (THe causes ...
Aspire 7520 / 7520G Service Guide
Page 84
... Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - DIMM System board Check the drive is defined with the proper diskette type in Sequence RTC... battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Enter Setup and see if fixed disk and drive A: are properly identified. Default configuration used...
... Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - DIMM System board Check the drive is defined with the proper diskette type in Sequence RTC... battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Enter Setup and see if fixed disk and drive A: are properly identified. Default configuration used...