HP Rp5700 Quick Setup & Getting Started (Combo) - Page 26

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes - ram

Get HP Rp5700 - Point of Sale System PDF manuals and user guides
UPC - 884420470731
View all HP Rp5700 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 26 highlights

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching. Look for the LED on the system board. If the LED is illuminated, the system still has power. Power off the computer and remove the power cord before proceeding. NOTE: If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. Recommended actions in the following table are listed in the order in which they should be performed. Not all diagnostic lights and audible codes are available on all models. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer on. None Green Power LED flashes every two seconds. None Red Power LED flashes 2 two times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Computer in Suspend to RAM mode (some models only) or normal Suspend mode. None required. Press any key or move the mouse to wake the computer. Processor thermal 1. protection activated: A fan may be blocked or not turning. 2. OR The heatsink/fan assembly is not Ensure that the computer air vents are not blocked and the processor cooling fan is running. Open hood, press power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header. 18 Quick Setup & Getting Started ENWW

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes
This section covers the front panel LED codes as well as the audible codes
that may occur before or during POST that do not necessarily have an error
code or text message associated with them.
WARNING!
When the computer is plugged into an AC power
source, voltage is always applied to the system board. To reduce
the risk of personal injury from electrical shock and/or hot surfaces,
be sure to disconnect the power cord from the wall outlet and allow
the internal system components to cool before touching.
Look for the LED on the system board. If the LED is illuminated, the
system still has power. Power off the computer and remove the
power cord before proceeding.
NOTE:
If you see flashing LEDs on a PS/2 keyboard, look for
flashing LEDs on the front panel of the computer and refer to the
following table to determine the front panel LED codes.
Recommended actions in the following table are listed in the order
in which they should be performed.
Not all diagnostic lights and audible codes are available on all
models.
Table 3
Diagnostic Front Panel LEDs and Audible Codes
Activity
Beeps
Possible Cause
Recommended Action
Green Power LED On.
None
Computer on.
None
Green Power LED
flashes every two
seconds.
None
Computer in
Suspend to RAM
mode (some models
only) or normal
Suspend mode.
None required. Press any key or move
the mouse to wake the computer.
Red Power LED flashes
two times, once every
second, followed by a
two second pause.
Beeps stop after fifth
iteration but LEDs
continue until problem is
solved.
2
Processor thermal
protection activated:
A fan may be blocked
or not turning.
OR
The heatsink/fan
assembly is not
1.
Ensure that the computer air vents
are not blocked and the processor
cooling fan is running.
2.
Open hood, press power button,
and see if the processor fan spins.
If the processor fan is not spinning,
make sure the fan's cable is
plugged onto the system board
header.
18
Quick Setup & Getting Started
ENWW