Screen message Probable cause Recommended action
1152—Serial Port 2 Address
Conflict Detected
Both external and internal serial ports
are assigned to COM2.
1. Remove any Comm 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 Comm 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.
Reset the IRQ.
1202—MIDI Port Address
Conflict Detected
Device IRQ address conflicts with
another device.
Reset the IRQ.
1203—Game Port Address
Conflict Detected
Device IRQ address conflicts with
another device.
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.
1780—Disk 0 Failure The drive is not installed correctly or
has failed.
1. Be sure that any jumpers are set correctly, and
that power and drive cables are connected, both
to the drive and 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.
1781—Disk 1 Failure The drive is not installed correctly or
has failed.
1. Be sure that any jumpers are set correctly and that
power and drive cables are connected, both to the
drive and the system board.
2. Verify that the cables are the correct cables for
your computer model. If this message persists,
you may need service for your workstation.
1782—Disk Controller Failure Hard drive circuitry error. 1. Run Computer Setup (F10 Setup).
2. Clear CMOS.
3. Verify cable seating/jumper settings.
4. Run hard drive diagnostics.
5. Disconnect additional drives.
6. Run the Drive Protection System test if available.
7. Replace the hard drive.
8. Replace the system board.
Table 5-18 POST error messages (continued)
128 Chapter 5 System diagnostics and troubleshooting ENWW
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