I have 8GB installed on Win 7 Professional 64 bit. For some reason Control Panel reports that 4GB are recognized but unusable (screenshot attached). Any ideas what I can do to get that 4GB back?
Do you have the "Memory remap" option enabled on the BIOS? if not, please enable it. if you can't find it inside the BIOS. then boot into Windows, type "msconfig" without the quotes on the search bar, run as administrator, go to the boot tab, click on advanced settings and uncheck "Maximum Memory". (the top right option)
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