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Control panel message Description Recommended action
1151-Serial Port A Address Conflict
Detected
Both external and internal serial ports are
assigned to COM1.
1. Remove any serial port expansion
cards.
2. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 243.)
3. Reconfigure card resources and/or run
Computer Setup or Windows utilities.
1152-Serial Port B Address Conflict
Detected
Both external and internal serial ports are
assigned to COM2.
1. Remove any serial port expansion
cards.
2. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 243.)
3. Reconfigure card resources and/or 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 serial port expansion
cards.
2. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 243.)
3. Reconfigure card resources and/or run
Computer Setup or Windows utilities.
1720-SMART Hard Drive Detects Imminent
Failure
Hard drive is about to fail. (Some hard
drives have a hard drive firmware patch that
will fix an erroneous error message.)
1. Determine if hard drive is giving correct
error message. Enter Computer Setup
and run the Drive Protection System
test under Storage > DPS Self-test.
2. Apply hard drive firmware patch
if applicable. (Available at
http://www.hp.com/support.)
3. Back up contents and replace hard
drive.
1796-SATA Cabling Error One or more SATA devices are improperly
attached. For optimal performance, the
SATA 0 and SATA 1 connectors must be
used before SATA 2 and SATA 3.
Ensure SATA connectors are used in
ascending order. For one device, use SATA
0. For two devices, use SATA 0 and SATA
1. For three devices, use SATA 0, SATA 1,
and SATA 2.
1801-Microcode Patch Error Processor is not supported by ROM BIOS. 1. Upgrade BIOS to proper version.
2. Change the processor.
Table C-1 Numeric Codes and Text Messages (continued)
POST Numeric Codes and Text Messages 193