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As you are using a laptop with an Intel® Optane™ Memory, I recommend you to contact ACER* directly about this issue. The Intel® Optane™ Memory should come enabled on laptops, so they should provide assistance on this issue, especially if you have recently bought the laptop.
I haven’t seen this issue with the Intel® Optane™ Memory, however a Desktop system is not the same as a laptop system, so it may be possible that this issue was caused by something else besides the Intel® Optane™ Memory. Laptops usually come with additional features added by the manufacturer so before making any changes in the system, it’s always better to contact the manufacturer for assistance.
Have a nice day.