Screen message
Probable cause
Recommended action
515—CPU Overtemp
occurred
Insufficient processor cooling or
processor defect.
1.
If necessary, add a heatsink to the processor and
ensure proper operation.
2.
Replace the processor.
516—Chipset fan not detected Chipset fan missing, disconnected, or
defective.
1.
Ensure that the fan is installed and connected
properly.
2.
Replace the fan.
517—Low power CPU
heatsink(s) detected for high
power CPUs
Inadequate heatsink is installed.
Replace the low power heatsink with a high power
heatsink.
518—Power supply wattage
insufficient for hardware
configuration
Workstation configuration requires
more power than the power supply can
provide.
1.
Reduce the workstation power consumption.
2.
Replace the power supply with a high output
power supply.
601—Diskette Controller Error Diskette controller circuitry or diskette
drive circuitry incorrect.
1.
Run the Computer Setup (F10) utility.
2.
Verify cabling and replace defective cables if
necessary.
3.
Clear CMOS.
4.
Replace the diskette drive.
5.
Replace the system board.
605—Diskette Drive Type
Error
Mismatch in drive type.
1.
Run the Computer Setup (F10) Utility.
2.
Disconnect any other diskette controller devices
(tape drives).
3.
Clear the CMOS.
610—External Storage Device
Failure
External storage device is not
detected, is improperly connected, or
is defective.
1.
Verify that the external device is present and
connected properly.
2.
Replace the external device.
611—Primary Floppy Port
Address Assignment Conflict
The flexible disk drive is configured at
a previously assigned address.
Select a new address for the flexible disk drive.
912—Computer Cover Has
Been Removed Since Last
System Start Up
N/A
No action required.
914— Hood Lock Coil is not
Connected
Mechanism is missing or is not
connected.
1.
Reconnect or replace the missing mechanism.
2.
Reseat or replace the missing mechanism cable.
916—Power Button Not
Connected
Power button cable is disconnected
from the system board.
Reconnect the cable and restart.
917—Front Audio Not
Connected
Front Audio mechanism is missing or
is not connected.
1.
Replace or reconnect the missing front audio
mechanism to the system board.
2.
Reseat or replace the missing mechanism cable.
918—Front USB Not
Connected
Front USB mechanism is missing or is
not connected.
1.
Replace or reconnect the missing Front USB
mechanism to the system board..
2.
Reseat or replace the missing mechanism cable.
Table 6-10
POST error messages (continued)
172 Chapter 6 Diagnostics and troubleshooting
ENWW