Screen Message Probable Cause Recommended Action
CMOS jumper might not be properly
installed.
164–Memory Size Error. The system memory size is different or
memory configuration has changed
from the last startup.
1. Pressing F1 will record the configuration.
2. If the problem persists, be sure memory modules
(if any) are installed correctly.
3. If third-party memory has been added, test using
HP memory only.
4. Verify proper memory module type.
201–Memory Error. The memory test performed during
startup failed.
1. Run Computer Setup (F10 Setup) or Windows
utilities.
2. Ensure that memory modules are installed
correctly.
3. Verify proper memory module type.
4. Remove and replace memory modules one at a
time to isolate faulty module.
5. Replace the faulty memory modules.
6. If error persists after replacing memory modules,
replace the system board.
202–Mixed 533 and 667 MHz
memory detected.
Memory modules do not match each
other.
Replace memory modules with matched sets.
207–Incompatible memory
modules detected.
Incompatible memory module(s)
detected.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace memory module if problem persists.
209–Incompatible FBD
memory modules detected.
Incompatible memory modules
detected.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace memory module if problem persists.
210–Incompatible memory
modules (AMBs) detected.
Incompatible memory module(s)
detected. Mismatched Advanced
Memory Buffer (AMB) IC.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace memory module if problem persists.
211–Memory warning
condition detected.
An unknown issue with one of the
DIMMs has been detected.
1. Verify proper memory module type.
2. Try another memory socket.
3. Replace memory module if problem persists.
212–Failed Processor. Processor has failed to initialize. 1. Reseat the processor in its socket.
2. If the processor does not respond, replace it.
213–Incompatible ECC
Memory Module in memory
Socket(s).
The memory modules in the system
are either not all ECC, or not all non-
ECC. This could also be caused
because the DIMM is missing critical
SPD information.
1. Verify that all memory modules are ECC or non-
ECC.
2. Replace memory module if problem persists.
Table 5-18 POST error messages (continued)
124 Chapter 5 System diagnostics and troubleshooting ENWW
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