HP EliteOne 800 Maintenance & Service Guide HP EliteOne 800 G1 All-in-One - Page 188

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. Control panel message 101-Option ROM Checksum Error 103-System Board Failure 162-System Options Not Set 163-Time & Date Not Set 163-Time & Date Not Set 164-MemorySize Error Description Recommended action 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 189.) 4. Replace the system board. DMA or timers. 1. Clear CMOS. (See Appendix B, Password security and resetting CMOS on page 189.) 2. Replace the system board. 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. 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. CMOS jumper may not be properly installed. Check for proper placement of the CMOS jumper if applicable. Memory amount has changed since the last boot (memory added or removed). Press the F1 key to save the memory changes. 178 Chapter 10 POST error messages