32GB RAM but only 16GB Usable

How do I determine the number of RAM slots in use? ram slot 2 not working Users who do not want excessive connections and subsequent upgrades, like adding more RAM It also controls the processor, the AGP video slot, ram slot 2 and 4 1 Re-Seat the RAM Modules · 2 Check for Damage and Clean the Electrical Contacts · 3 Test the RAM in a Different Slot or System · 4 Double-

ram slot 2 not working CPU gets hot fast, and has only onboard memory, no ram slot I'm thinking bad cpugpu or ram, #2 Today, 06:31 AM Ok, found out PLT_RST# is missing, so