HP P EliteBook 745 G6 User Manual

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 7-2 Front panel LEDs and audible code indications
Component
tested
Major/
minor
code Error condition
Notebook
Caps
Lock/Num
Lock LED Desktop Action
BIOS 2.2 The main area (DXE) of BIOS has
become corrupted and there is
no recovery binary image
available
CAP/NUM
Blink = 2
2.2 - Power
LED
(red.white)
Follow the Crisis Recovery instructions at
http://support.hp.com/us-en/document/
c02693833/.
2.3 The embedded controller policy
requires the user to enter a key
sequence (SureStart 2.0)
CAP/NUM
Blink = 8
2.3 - Power
LED
(red.white)
If you want an analysis of the event that
caused Sure Start recovery, replace the
board and send the bad board back.
Otherwise, press this key combination to
restore BIOS and boot: Up Arrow + Down
Arrow + Esc.
2.4 The embedded controller is
recovering the boot block or
DXE. Because it takes 10 sec or
so to load the DXE image and get
video in the DXE case, this blink
code is necessary. (SureStart)
Battery LED
White and
Amber
blinking
2.4 - Power
LED
(red.white)
Wait for DXE recovery to complete.
Hardware 3.2 The embedded controller has
timed out waiting for BIOS to
return from memory
initialization
CAP/NUM
Blink = 3
3.2 - Power
LED
(red.white)
System board replacement.
3.3 The embedded controller has
timed out waiting for BIOS to
return from graphics
initialization ( 4/13- Graphics
adaptor not found)
CAP/NUM
Blink = 4
3.3 - Power
LED
(red.white)
If the system has an MXM module, try a
dierent MXM module. Otherwise, the
board most likely needs to be replaced.
3.4 The system board displays a
power failure (crowbar) *
CAP/NUM
Blink = 5
3.4 - Power
LED
(red.white)
System board replacement.
System
board
5.2 The embedded controller cannot
nd valid rmware
CAP/NUM
Blink = 7 (2
BB failure)
Battery LED
Blinking = 1
Hz (3 B
failure)
5.2 - Power
LED
(red.white)
System board replacement.
5.3 The embedded controller has
timed out waiting for the BIOS
CAP/NUM
Blink = 1
Not
implemented
System board replacement.
79

HP P EliteBook 745 G6 Specifications

General

Brand	HP
Model	P EliteBook 745 G6
Category	Laptop
Language	English