Troubleshooting Guide www.hp.com A–7
POST Error Messages
602-Diskette Boot
Record Error
Diskette in Drive A not
bootable.
Replace the diskette.
605-Diskette Drive
Type Error
Mismatch in drive type. 1. Run Computer Setup.
2. Disconnect any other diskette
controller devices (tape drives).
3. Clear CMOS. (See Appendix B,
“Password Security and Resetting
CMOS.”)
610-External
Storage Device
Failure
External tape drive not
connected.
Reinstall tape drive or press F1 and allow
system to reconfigure without the drive.
611-Primary Floppy
Port Address
Assignment Conflict
Configuration error. Run Computer Setup.
612-Secondary
Floppy Port Address
Assignment Conflict
Configuration error. 1. Run Computer Setup.
2. Remove expansion cards.
3. Clear CMOS. (See Appendix B,
“Password Security and Resetting
CMOS.”)
660-Display cache
is detected
unreliable
Integrated graphics
controller display cache
is not working properly
and will be disabled.
Replace system board if minimal graphics
degrading is an issue.
912-Computer
Cover Has Been
Removed Since Last
System Startup
Computer cover was
removed since last system
startup.
No action required.
914-Hood Lock Coil
is not Connected
Smart Cover Lock
mechanism is missing or
not connected.
1. Reconnect or replace hood locking
mechanism.
2. Reseat or replace hood locking
mechanism cable.
Numeric Codes and Text Messages (Continued)
Code/Message Probable Cause Recommended Action