HP Dc7100 Troubleshooting Guide - Page 73

Run Computer Setup. If Setup already, Run Computer Setup and Diagnostic

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POST Error Messages Numeric Codes and Text Messages (Continued) Code/Message Probable Cause Recommended Action 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, SATA1, and SATA 2. 1800-Temperature Alert Internal temperature exceeds specification. 1. Check that computer air vents are not blocked and the processor cooling fan is running. 2. Verify processor speed selection. 3. Replace the processor. 4. Replace the system board. 1801-Microcode Patch Error Processor is not supported by ROM BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor. Invalid Electronic Serial Number Electronic serial number has become corrupted. 1. Run Computer Setup. If Setup already has data in the field or will not allow the serial number to be entered, download from www.hp.com and run SP5572.EXE (SNZERO.EXE). 2. Run Computer Setup and try to enter serial number under Security, System ID, then save changes. Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode enabled. 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. Troubleshooting Guide www.hp.com A-11

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Troubleshooting Guide
www.hp.com
A–11
POST Error Messages
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,
SATA1, and SATA 2.
1800-Temperature
Alert
Internal temperature
exceeds specification.
1. Check that computer air vents are not
blocked and the processor cooling
fan is running.
2. Verify processor speed selection.
3. Replace the processor.
4. Replace the system board.
1801-Microcode
Patch Error
Processor is not
supported by
ROM BIOS.
1. Upgrade BIOS to proper version.
2. Change the processor.
Invalid Electronic
Serial Number
Electronic serial number
has become corrupted.
1. Run Computer Setup. If Setup already
has data in the field or will not allow
the serial number to be entered,
download from
www.hp.com
and run
SP5572.EXE (SNZERO.EXE).
2. Run Computer Setup and try to enter
serial number under Security, System
ID, then save changes.
Network Server
Mode Active and
No Keyboard
Attached
Keyboard failure while
Network Server Mode
enabled.
1. Reconnect keyboard with computer
turned off.
2. Check connector for bent or missing
pins.
3. Ensure that none of the keys are
depressed.
4. Replace keyboard.
Parity Check 2
Parity RAM failure.
Run Computer Setup and Diagnostic
utilities.
Numeric Codes and Text Messages
(Continued)
Code/Message
Probable Cause
Recommended Action