Screen message Probable cause Recommended action
110—Out of memory space for 
option ROMs
Option ROM for a device could not run 
because of memory constraints.
Run the Computer Setup (F10) Utility to disable 
unneeded option ROMs, and to enable ACP1/USB 
Buers at Top of Memory.
162—Systems Options Error RTC power (CMOS battery) is lost 1. Run Computer Setup (F10) Utility and set 
default settings.
2. Replace the CMOS battery.
3. Replace the system board.
163—Time and Date Not Set
●
Invalid time or date in 
conguration 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 changed Memory conguration is incorrect. 1. Run the Computer Setup (F10) Utility or the 
Windows utilities.
2. Verify that the memory modules are installed 
properly.
3. If third-party memory has been added, test 
the memory conguration using HP memory.
4. Verify the memory module type.
201—Memory Error RAM failure. 1. Run the Computer Setup (F10) Utility or the 
Windows utilities.
2. Be sure that memory modules are installed 
correctly.
3. Verify the memory module type.
4. Remove and replace memory modules one at 
a time to isolate faulty modules.
5. Replace faulty memory modules.
6. If the error persists after replacing memory 
modules, replace the system board.
202—Memory Type Mismatch Memory modules do not match. Replace the memory modules with matched sets.
203—Memory module failed 
self-test and failing rank was 
disabled
Defective memory module. Replace the memory module.
204—Memory module failed and 
user rank was disabled
Improper module load. Reseat the memory module correctly.
205—Memory high temperature 
detected
Insucient memory module cooling. Verify that a memory module cooling fan is installed 
and operating.
206—Memory setup invalid Memory congured incorrectly. Recongure the memory modules in the proper 
slots.
207—Incompatible DIMMs 
detected
DIMMs are installed that do not fulll 
system requirements.
1. Verify that the memory module type matches 
computer requirements.
2. Insert the DIMM in the proper memory socket.
3. Replace the DIMM if the problem persists.
Diagnostic codes and errors 67