Service and Maintain

C–8 390742-002 Service Reference Guide, dc7600
POST Error Messages
Network Server Mode
Active and No
Keyboard Attached
Keyboard failure while
Network Server Mode
enabled.
Reconnect keyboard with computer
turned off.
Check connector for bent or missing
pins.
Ensure that none of the keys are
depressed.
Replace keyboard.
Parity Check 2 Parity RAM failure. Run Computer Setup and diagnostic
utilities.
System will not boot
without fan.
CPU fan not installed or
disconnected in VSFF
chassis.
Open hood, press the power button, and
see if the processor fan spins. If not
spinning, make sure the fan cable is
plugged into the system board. Ensure
the heatsink is properly seated.
If the heatsink is properly installed and
the fan connected but does not spin,
replace the heatsink-fan assembly.
POST Error Messages (Continued)
Screen Message Probable Cause Recommended Action