I had to spin the CPU fan, but I couldn’t just screw it back on - I had to remove the cables, remove the motherboard, screw everything back, praying that nothing old would fall apart (the computer is 7 years old). But in the end, everything started right away. Windows 10 saw all 32GB of memory without any difficulty. MB H87M-E, for it 1600MHz memory is the maximum speed, so there is no point in paying for something more expensive.
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