I would like to know if it's possible to decrease the amount of hardware-reserved memory on my Acer Aspire E5-553G-T87A laptop. My laptop has 8GB of DDR4 memory installed, but for some reason 4.1GB of it is hardware-reserved. See attached images for the specs of my computer.
My laptop had 7.66GB of usable RAM for a year after I first bought it, but I had to do a clean install of Windows 10 Pro when it started having problems with the O/S. After I performed the clean install is when I noticed that only 3.9GB were available. I ran Memtest+86 and the RAM did not have any problems/errors. I also went into msconfig and unticked the Maximum Memory box as some people recommended, but that did not fix the problem. The O/S is installed on a 120GB SSD, but I don't see any problems with that. I've re-installed the O/S multiple times, which also didn't fix the problem. I've ran out of ideas as to how to fix this.