HP dx2310 manual POST Error Messages

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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	The checksum of the BIOS	Replace the BIOS
error - System halted	code in the BIOS chip is
	incorrect, indicating the
	BIOS code may have
	become corrupt.
CMOS battery failed	The CMOS battery is no	Replacement battery.
	longer functional.

CMOS checksum error -	Checksum of CMOS is
Defaults loaded	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	Not an error, no action request
	speed of the CPU.
Press ESC to skip	A remind message, not	The user may press Esc to skip the full
memory test	an error.	memory test.
HARD DISK INSTALL	Cannot find or initialize	Make sure the controller is installed
FAILURE	the hard drive controller	correctly. If no hard drives are installed,
	or the drive.	be sure the Hard Drive selection in Setup
		is set to NONE.

Service Reference Guide 490778-001 C–1