POST error codes
Each time you turn on the system, it performs a series of tests that check the operation of the system and
some options. This series of tests are called the
Power-On Self-Test
, or
POST
. POST checks the following
operations:
• Some basic system-board operations
• Memory operation
• Video operation
• Whether the boot drive is working
If the POST detects a problem, an error message appears on the screen. A single problem might cause
several error messages to appear. When you correct the cause of the first error message, the other error
messages probably will not appear on the screen the next time.
Error code
POST error message
Description/Action
0135
CPU fan failure
System fan failure
Auxiliary fan failure
This error message is displayed
when a fan fails and the system
might be overheating.
Press F1 to enter Setup, F2 to
resume.
0162
Setup data integrity check failure
This error indicates the checksum
of BIOS Setup data in NVRAM is
bad.
In BIOS Setup, the “Save
Changes and Exit” operation is
needed in order to clear this error.
0164
Memory configuration change has
occurred
This error message is displayed
when the memory configuration is
changed.
Press F1 to enter Setup, F2 to
resume.
1762
Storage device configuration change
has occurred
This error message is displayed
when a hard disk drive change or
an optical drive change has been
made.
In BIOS Setup, the “Save
Changes and Exit” operation is
needed in order to clear this error.
Miscellaneous error conditions
Message/Symptom
FRU/Action
Changing display colors
Display/Monitor
Computer will
not
power-off. See “Hard disk drive boot
1. Power Switch
2. System Board
3. Riser card, if installed.
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