Troubleshooting Guide

Troubleshooting Guide www.hp.com A–5
POST Error Messages
202-Memory Type
Mismatch
Memory modules do not
match each other.
Replace memory modules with matched
sets.
213-Incompatible
Memory Module in
Memory Socket(s) X,
X, ...
A memory module
in memory socket
identified in the error
message is missing
critical SPD information,
or is incompatible with
the chipset.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace DIMM with a module
conforming to the SPD standard.
214-DIMM
Configuration
Warning
Populated DIMM
Configuration is not
optimized.
Rearrange the DIMMs so that each
channel has the same amount of memory.
219-ECC Memory
Module Detected
ECC Modules not
supported on this
Platform
Recently added memory
module(s) support ECC
memory error correction.
1. If additional memory was recently
added, remove it to see if the problem
remains.
2. Check product documentation for
memory support information.
301-Keyboard Error Keyboard failure. 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.
303-Keyboard
Controller Error
I/O board keyboard
controller.
1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
304-Keyboard or
System Unit Error
Keyboard failure. 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.
Numeric Codes and Text Messages (Continued)
Code/Message Probable Cause Recommended Action