I'm hoping someone out there can help or enlighten me,
I have a HP Elite 8100 which decided to play up, Firstly it wouldn't boot (no display) and then the PSU fan went fast and noised, I checked the PSU with a DVM and all seemed ok, at this point I assumed it was the motherboard and replaced it, nope.. the fan still went rapid and no boot up, I then bought a new PSU and still the problem occurred.
I when restored the original motherboard and still no joy ...
So now I thought I'll try with just one of the 4x4gb Ram stick and it booted normally!! ... I continued to try with a second 4Gb RAM stick and again it booted ok!!, now the issue occurs when I try to start the PC with 3 or 4 RAM sticks.
I have tried all 4 of the RAM singerly and they all work fine ...so no faulty components.
Just to add I had been running this machine for around 2 years with 16gb of RAM (4X4gb) with OS Windows 10 (64), so why now after 2 years would it decided it doesn't like this.
OS is all up to date and so is the BOIS (no upgrades needed)
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