HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 171
Run Computer Setup. If Setup already, SP5572.EXE SNZERO.EXE.
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POST Error Messages POST Error Messages (Continued) Screen Message 1796-SATA Cabling Error 1800-Temperature Alert Probable Cause 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. Internal temperature exceeds specification. 1801-Microcode Patch Error 1802-Processor Not Supported Processor not supported by ROM BIOS. Recently installed processor may not be supported by the system board. Invalid Electronic Serial Electronic serial number Number. has become corrupted. Recommended Action 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. Check that computer air vents are not blocked and the processor cooling fan is running. Verify processor speed selection. Replace the processor. Replace the system board. Upgrade BIOS to proper version. Change the processor. If processor was recently replaced, restore the original processor to see if the problem remains. Check product documentation for processor support information. Run Computer Setup. If Setup already has data in the field or will not allow the serial number to be entered, download from http://www.hp.com and run SP5572.EXE (SNZERO.EXE). Run Computer Setup and try to enter serial number under Security, System ID, then save changes. Service Reference Guide, dx7200 390812-001 C-7