Table 9-5 POST codes, reasons for stopping, and actions (2/2)
POST
Reasons for stopping and actions
code
The video feature is not working properly.
When a video card is installed in an
39
88
expansion slot, make sure that the video card
is installed properly.
There might be a problem with an extension
5C
board.
5E
Remove the extension board from the slot
82
and install the board in another slot. Then,
F8
check if the extension board operates
F9
properly.
There might be a problem with a serial
device.
Verify that serial devices are connected
93
correctly and that the connected devices
work properly.
There might be a problem with a USB
34
device.
53
Verify that USB devices are connected
83
correctly and that the connected devices
84
work properly.
POST
Reasons for stopping and actions
code
A0
The CPU might not be working properly.
C2
There might be a problem with the boot
device.
Verify that the HDDs and the DVD drive are
5C
installed properly. If they are installed
properly, the boot device might not be
working properly.
There might be a problem with a storage
medium (HDDs, USB memory, or similar).
25
Verify that they are installed properly. If they
38
are installed properly, the storage medium
might have failed.
The rotation of system fan 1 is abnormal.
Read the description of fan failure in 9.2.2
E1
(1) and take action accordingly.
The rotation of the CPU fan 2 is abnormal.
Read the description of fan failure in 9.2.2
E2
(1) and take action accordingly.
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9. TROUBLESHOOTING