Diagnosing and recovering from problems 10-17
Error codes and messages

When you see error codes and messages on your screen, find the error code or

message in the following table, then take the applicable corrective action or actions.

Table 4: Error codes and messages

Error codes Error messages Corrective actions
161 CMOS battery failed 1.Load the default setting in Setup and
reboot the system.
162 CMOS checksum error 1.Make sure the equipm ent (diskette
drive, hard disk drive, keyboard,
mouse, etc.) are connected properly
and are defined correctly in BIOS
Setup.
2.Load default settings in setup.
3.Replace the CM OS battery.
164 Memory size error 1. Determine if memory has been added
or removed since the last boot.
201 Memory test fail 1.Deter mine if the memory modules are
properly seated in the DIMM sockets,
then reboot the system.
2.Replace the m emory module.
301 Keyboard error or
no Keyboard present 1.Determine if the keyboard cable is
connected properly and is defined
correctly in BIOS Setup.
2.If the error still shows after doing option
1, change your keyboard. It may be
defective.
662 Floppy disk fail (80) 1.Unable to reset floppy subsystem. Load
the default Setup setting.
662 Floppy disk(s) fail (40) 1.Floppy Type dismatch. Check the BIOS
Setting.
Note: If any of the errors persist after performing the listed corrective actions, see “Chapter
2. HelpWare support and services” for information on obtaining service.