HP Pro Mini 260 G9 Desktop PC Maintenance and Service Guide - Page 87

communicate the processor is not detected., POST error messages

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● Blink error code sequences continue until the computer is unplugged or the power button is pressed. NOTE: Not all diagnostic lights and audible codes are available on all models. The red LED blinks to represent the major error category (long blinks). The white LED blinks to represent the minor error category (short blinks). For example, '3.5' indicates 3 long red blinks and 5 short white blinks to communicate the processor is not detected. Table 7-3 Interpreting POST diagnostic front panel lights and audible codes Category Major/minor code Description BIOS Hardware 2.2 The main area (DXE) of BIOS has become corrupted, and there is no recovery binary image available. 2.3 The embedded controller policy requires the user to enter a key sequence. 2.4 The embedded controller is checking or recovering the boot block. 3.2 The embedded controller has timed out waiting for BIOS to return from memory initialization. 3.3 The embedded controller has timed out waiting for BIOS to return from graphics initialization. 3.4 The system board displays a power failure (crowbar).* 3.5 The processor is not detected.* 3.6 The processor does not support an enabled feature. Thermal 3.7 The access panel/top cover has been opened since last boot. 4.2 A processor over temperature condition has been detected.* 4.3 An ambient temperature over temperature condition has been detected. 4.4 An MXM over temperature condition has been detected. System board 5.2 5.3 5.4 5.5 The embedded controller cannot find valid firmware. The embedded controller has timed out waiting for the BIOS. The embedded controller has timed out waiting for BIOS to return from system board initialization. The embedded controller rebooted the system after a possible lockup condition had been detected through the use of a System Health Timer, Automated System Recovery Timer, or other mechanism. * Indicates hardware-triggered event; BIOS controls all other events. 80 Chapter 7 POST error messages

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●
Blink error code sequences continue until the computer is unplugged or the power button is pressed.
NOTE:
Not all diagnostic lights and audible codes are available on all models.
The red LED blinks to represent the major error category (long blinks). The white LED blinks to represent the
minor error category (short blinks). For example, ‘3.5’ indicates 3 long red blinks and 5 short white blinks to
communicate the processor is not detected.
Table 7-3
Interpreting POST diagnostic front panel lights and audible codes
Category
Major/minor code
Description
BIOS
2.2
The main area (DXE) of BIOS has become corrupted, and there is no
recovery binary image available.
2.3
The embedded controller policy requires the user to enter a key
sequence.
2.4
The embedded controller is checking or recovering the boot block.
Hardware
3.2
The embedded controller has timed out waiting for BIOS to return
from memory initialization.
3.3
The embedded controller has timed out waiting for BIOS to return
from graphics initialization.
3.4
The system board displays a power failure (crowbar).*
3.5
The processor is not detected.*
3.6
The processor does not support an enabled feature.
3.7
The access panel/top cover has been opened since last boot.
Thermal
4.2
A processor over temperature condition has been detected.*
4.3
An ambient temperature over temperature condition has been
detected.
4.4
An MXM over temperature condition has been detected.
System board
5.2
The embedded controller cannot find valid firmware.
5.3
The embedded controller has timed out waiting for the BIOS.
5.4
The embedded controller has timed out waiting for BIOS to return
from system board initialization.
5.5
The embedded controller rebooted the system after a possible
lockup condition had been detected through the use of a
System Health Timer, Automated System Recovery Timer, or other
mechanism.
* Indicates hardware-triggered event; BIOS controls all other events.
80
Chapter 7
POST error messages