HP dx7200 HP Compaq Business PC dx7200 MT Service Reference Guide, 1st edition - Page 166
POST Error Messages, Onboard, Devices, Control, Panel, Screen Message, Probable Cause
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POST Error Messages POST Error Messages (Continued) Screen Message 162-System Options Not Set Probable Cause Configuration incorrect. RTC (real-time clock) battery may need to be replaced. 163-Time & Date Not Set 164-Memory Size Error Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. CMOS jumper may not be properly installed. Memory amount has changed since the last boot (memory added or removed). Memory configuration is incorrect. 201-Memory Error RAM failure. 202-Memory Type Mismatch Memory modules do not match each other. Recommended Action Run Computer Setup (F10 Setup) and check configuration of Onboard Devices. Set the date and time under Control Panel or in F10 Setup depending on the operating system. If the problem persists, replace the RTC battery. Set the date and time under Control Panel or in F10 Setup depending on the operating system. If the problem persists, replace the RTC battery. Check for proper placement of the CMOS jumper, if applicable. Press the F1 key to save the memory changes. Run Computer Setup (F10 Setup). Make sure memory module(s) (if any) are installed properly. If third party memory has been added, test using HP-only memory. Verify proper memory module type. Run Computer Setup (F10 Setup) or Windows utilities. Ensure memory and continuity modules are installed correctly. Verify proper memory module type. Remove and replace the identified faulty memory module(s). If the error persists after replacing memory modules, replace the system board. Replace memory modules with matched sets. C-2 390812-001 Service Reference Guide, dx7200