What should I do if I get a 164-Memory Size Error or 201-Memory Error during POST?
These errors indicate an incorrect memory configuration. Run Setup by pressing F10, then check that the DIMMs are properly seated, are the correct type, and are HP compatible. If the issue persists, remove DIMMs one at a time and reboot to isolate the faulty DIMM, or replace the system board. (Page 2)
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