HP dx2310 Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 69

POST Error Messages

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C POST Error Messages An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. Recommended Actions are to be taken in incremental steps. Perform one step at a time and continue only if the action does not cure the problem. POST Error Messages Screen Message BIOS ROM checksum error - System halted CMOS battery failed CMOS checksum error Defaults loaded CPU at xxxx Press ESC to skip memory test HARD DISK INSTALL FAILURE Probable Cause The checksum of the BIOS code in the BIOS chip is incorrect, indicating the BIOS code may have become corrupt. The CMOS battery is no longer functional. Checksum of CMOS is incorrect, so the system loads the default equipment configuration. A checksum error may indicate that CMOS has become corrupt. A weak battery may have caused this error. Displays the running speed of the CPU. A remind message, not an error. Cannot find or initialize the hard drive controller or the drive. Recommended Action Replace the BIOS Replacement battery. Check the battery and replace if necessary. Not an error, no action request The user may press Esc to skip the full memory test. Make sure the controller is installed correctly. If no hard drives are installed, be sure the Hard Drive selection in Setup is set to NONE. Service Reference Guide 490778-001 C-1

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Service Reference Guide
490778-001
C–1
C
POST Error Messages
An error message results if the Power-On Self-Test (POST) encounters a problem. This test runs
when the system is turned on, checking assemblies within the computer and reporting any errors
found.
Not all computers use all of the codes listed.
Recommended Actions are to be taken in incremental steps. Perform one step at a time and
continue only if the action does not cure the problem.
POST Error Messages
Screen Message
Probable Cause
Recommended Action
BIOS ROM checksum
error - System halted
The checksum of the BIOS
code in the BIOS chip is
incorrect, indicating the
BIOS code may have
become corrupt.
Replace the BIOS
CMOS battery failed
The CMOS battery is no
longer functional.
Replacement battery.
CMOS checksum error -
Defaults loaded
Checksum of CMOS is
incorrect, so the system
loads the default
equipment configuration.
A checksum error may
indicate that CMOS has
become corrupt. A weak
battery may have caused
this error.
Check the battery and replace if
necessary.
CPU at xxxx
Displays the running
speed of the CPU.
Not an error, no action request
Press ESC to skip
memory test
A remind message, not
an error.
The user may press Esc to skip the full
memory test.
HARD DISK INSTALL
FAILURE
Cannot find or initialize
the hard drive controller
or the drive.
Make sure the controller is installed
correctly. If no hard drives are installed,
be sure the Hard Drive selection in Setup
is set to NONE.