Screen Message Probable Cause Recommended Action
961-Uncorrectable data ECC
on replay error
Bad DIMM or improperly installed
DIMM
CAUTION: Disconnect AC power from the
workstation before reseating or replacing components
because there is power to the system board even when
the workstation is powered down.
Try reseating the DIMMs and make sure that they are
inserted correctly. If the problem persists, remove or
replace the DIMMs one by one until the problem DIMM
is isolated.
1151–Serial Port 1 Address
Conflict Detected.
Both external and internal serial ports
are assigned to COM1.
1. Remove any COM port expansion cards.
2. Clear CMOS.
3. Reconfigure card resources and run Computer
Setup (F10 Setup).
4. Run Computer Setup or Windows utilities.
1155–Serial Port Address
Conflict Detected.
Both external and internal serial ports
are assigned to same IRQ.
1. Remove any COM port expansion cards.
2. Clear CMOS.
3. Reconfigure card resources and run Computer
Setup (F10 Setup).
4. Run Computer Setup or Windows utilities.
1201–System Audio Address
Conflict Detected.
Device IRQ address conflicts with
another device. (Usually due to an
add-in audio card.)
Reset the IRQ.
1202–MIDI Port Address
Conflict Detected.
Device IRQ address conflicts with
another device. (Usually due to an
add-in audio card.)
Reset the IRQ.
1203–Game Port Address
Conflict Detected.
Device IRQ address conflicts with
another device. (Usually due to an
add-in audio card.)
Reset the IRQ.
1720 SMART Hard Drive
Detect Imminent Failure.
Hard drive is about to fail. (Some hard
drives have a firmware patch that will
fix an erroneous error message.)
1. Determine if hard drive is giving correct error
message.
2. Run the Drive Protection System test if applicable.
3. Apply firmware patch if applicable
(see
http://www.hp.com/support).
4. Back up contents and replace hard drive.
1783–Disk 0 Failure. The drive is not installed correctly or
has failed.
1. Be sure that power and drive cables are connected
to the drive and to the system board.
2. Verify that the cables are the correct cables for
your computer model.
3. If this message persists, you might need service
for your workstation.
1784–Disk 1 Failure. The drive is not installed correctly or
has failed.
1. Be sure that power and drive cables are connected
to the drive and to the system board.
2. Verify that the cables are the correct cables for
your computer model.
If this message persists, you might need service for
your workstation.
Table 5-18 POST error messages (continued)
ENWW POST error messages 133
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