HP Dc7900 Troubleshooting Guide - Page 60

Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 912-Computer Cover Has Been Removed Since Last System Startup Computer cover was removed since last system startup. No action required. 917-Front Audio Not Connected Front audio harness has been detached or Reconnect or replace front audio harness. unseated from motherboard. 918-Front USB Not Connected Front USB harness has been detached or unseated from motherboard. Reconnect or replace front USB harness. 921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this device and the system or PCI Express Link could not be retrained to an x1. Try rebooting the system. If the error reoccurs, the device may not work with this system 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 61.) 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 61.) 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 61.) 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 1. have a hard drive firmware patch that will fix an erroneous error message.) 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. 1797-SATA Drivelock is not supported in RAID mode. Drivelock is enabled on one or more SATA hard drives, and they cannot be accessed while the system is configured for RAID mode. Either remove the Drivelocked SATA device or disable the Drivelock feature. To disable the Drivelock feature, enter Computer Setup, change Storage > Storage Options > SATA 54 Appendix A POST Error Messages ENWW