HP 1155 Maintenance And Service Manual page 136

Control panel message
201-Memory Error
213-Incompatible Memory Module in
Memory Socket(s) X, X, ...
214-DIMM Configuration Warning
219-ECC Memory Module Detected ECC
Modules not supported on this Platform
301-Keyboard Error
303-Keyboard Controller Error
304-Keyboard or System Unit Error
510-Flash Screen Image Corrupted
511-CPU Fan not Detected
Description
RAM failure.
A memory module in memory socket
identified in the error message is missing
critical SPD information, or is incompatible
with the chipset.
Populated DIMM Configuration is not
optimized.
Recently added memory module(s) support
ECC memory error correction.
Keyboard failure.
I/O board keyboard controller.
Keyboard failure.
Flash Screen image has errors.
CPU fan is not connected or may have
malfunctioned.
Recommended action
1. Ensure memory modules are correctly
installed.
2. Verify proper memory module type.
3. Remove and replace the identified
faulty memory module(s).
4. If the error persists after replacing
memory modules, replace the system
board.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace DIMM with a module
conforming to the SPD standard.
Rearrange the DIMMs so that each channel
has the same amount of memory.
1. If additional memory was recently
added, remove it to see if the problem
remains.
2. Check product documentation for
memory support information.
1. Reconnect keyboard with computer
turned off.
2. Check connector for bent or missing
pins.
3. Ensure that none of the keys are
depressed.
4. Replace keyboard.
1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
1. Reconnect the keyboard with computer
turned off.
2. Ensure that none of the keys are
depressed.
3. Replace the keyboard.
4. Replace the system board.
Reflash the system ROM with the latest
BIOS image.
1. Reseat CPU fan.
2. Reseat fan cable.
3. Replace CPU fan.
POST Numeric Codes and Text Messages 129