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POST Numeric Codes and Text Messages
This section covers those POST errors that have numeric codes associated with them. The section
also includes some text messages that may be encountered during POST.
NOTE: The computer will beep once after a POST text message is displayed on the screen.
Table 8-1 Numeric Codes and Text Messages
Control panel message Description Recommended action
101-Option ROM Checksum Error System ROM checksum. 1. Verify the correct ROM.
2. Flash the ROM if needed.
3. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 146.)
4. Replace the system board.
103-System Board Failure DMA or timers. 1. Clear CMOS. (See Appendix B,
Password Security and Resetting
CMOS on page 146.)
2. Replace the system board.
162-System Options Not Set Configuration incorrect.
RTC (real-time clock) battery may need to
be replaced.
Run Computer Setup and check the
configuration in Advanced > Onboard
Devices.
Reset the date and time under Control
Panel. If the problem persists, replace the
RTC battery. See the Removal and
Replacement section for instructions on
installing a new battery, or contact an
authorized dealer or reseller for RTC battery
replacement.
163-Time & Date Not Set Invalid time or date in configuration
memory.
RTC (real-time clock) battery may need to
be replaced.
Reset the date and time under Control
Panel (Computer Setup can also be used).
If the problem persists, replace the RTC
battery. See the Removal and Replacement
section for instructions on installing a new
battery, or contact an authorized dealer or
reseller for RTC battery replacement.
163-Time & Date Not Set CMOS jumper may not be properly
installed.
Check for proper placement of the CMOS
jumper if applicable.
164-MemorySize Error Memory amount has changed since the last
boot (memory added or removed).
Press the F1 key to save the memory
changes.
164-MemorySize Error Memory configuration incorrect. 1. Run Computer Setup or Windows
utilities.
2. Make sure the memory module(s) are
installed properly.
3. If third-party memory has been added,
test using HP-only memory.
4. Verify proper memory module type.
POST Numeric Codes and Text Messages 135