Screen message Probable cause Recommended action
163—Time and Date Not Set Invalid time or date in configuration
memory.
RTC battery might need replacement.
CMOS jumper might not be properly
installed.
1. Set the date and time from the Control Panel or in
the Computer Setup (F10) Utility (depending on
the operating system).
2. If the problem persists, replace the RTC battery.
164—Memory Size Error Memory configuration is incorrect. 1. Run the Computer Setup (F10) Utility or Windows
utilities.
2. Verify that the memory modules (if any) are
installed properly.
3. If third-party memory has been added, test using
HP memory only.
4. Verify proper memory module type.
201—Memory Error RAM failure. 1. Run the Computer Setup (F10) utiltiy or Windows
utilities.
2. Be sure that memory and continuity modules are
installed correctly.
3. Verify proper memory module type.
4. Remove and replace memory modules one at a
time to isolate faulty modules.
5. Replace faulty memory modules.
6. If error persists after replacing memory modules,
replace the system board.
202—Memory Type Mismatch Memory modules do not match. Replace memory modules with matched sets.
207—ECC Corrected Single
Bit Errors in Memory Socket(s)
y,y
Single-bit ECC error. 1. Verify proper memory module type.
2. Insert the DIMM in 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 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. Insert the DIMM in another memory socket.
3. Replace module with a DIM conforming to the
SPD standard.
214—DIMM Configuration
Warning
DIMMs not installed correctly (not
paired correctly).
See the illustration on the side access panel for the
correct memory configurations, and reseat the DIMMs
accordingly.
215—Memory Mismatch
Warning
There are one or more mismatched
pairs of DIMMs between channel A and
channel B. Some memory has been
disabled. Install matching pairs or
remove the mismatched DIMMs from
channel B.
See the illustration on the side access panel for the
correct memory configurations, and reseat the DIMMs
accordingly.
Table 5-18 POST error messages (continued)
136 Chapter 5 System diagnostics and troubleshooting ENWW