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11-24-2018 07:26 AM
Computer is locking up occasionally with high speed fan. Force shutdown and it will sometimes start up with a normal power on. Other times I need to remove RAM, reinsert and it will power up fine. So I began to examine replacing RAM as an option. But when I go through system checks it reports all RAM as okay, so I am not sure if the RAM or motherboard are to blame.
But in the process of researching, I noticed that the specs on the machine say there are 4 DIMM slots. I can only find two. When I remove both DIMMs I see 4GB of RAM. With both DIMMs installed I have 20GB of RAM. With one DIMM it is 12 GB of RAM.
Now to the questions. Are there RAM slots hidden somewhere on the motherboard beyond my bifocal viewing range? It is a Pegatron. Computer SKU is E3W48AV#ABA.
Is there a way to test the RAM and/or motherboard to determine the cause of the lockup issue?