Windows 10: Windows 10 2004 19041.450 - Half of my RAM is "hardware reserved"

Ever since the update to version 2004, build 19041.450, the task manager shows half of my RAM as being hardware reserved. I have 2 sticks of 8GB RAM, on version 1903 and 1909, the task manager would show 16GB of RAM, with about 45MB hardware reserved. After the update to 2004, I now have 8.1GB hardware reserved. I've tried changing BIOS settings, updating the BIOS, and even completely replacing the motherboard with no success.


Hardware:

Old motherboard: Gigabyte GA-AB350M-Gaming-3, BIOS versions F20, F25, and F31.

New motherboard: ASRock B450M-Pro4, BIOS versions P3.50 and P3.90.

CPU: AMD Ryzen 5 2600

RAM: 2x8GB Samsung DDR4-2133 running at 2133 MHz

GPU: EVGA 1050Ti 4GB

SSD: Kingston 220 GB, primary drive

HDD: Toshiba 2TB, secondary drive


All the drivers are up to date according to their respective manufacturers and windows update.


I've seen the same issues discussed in the forums, but there were no obvious solution, it was always pointing to a BIOS issue. However, it used to work fine before the update to 2004, and I've tried 2 motherboards with 5 various BIOS versions.

:)

 

Half RAM allocated to "Hardware Reserve"


Hello everyone. I really hope you can help me. I'm at the end of my rope.

First off, my specs:
Gigabyte 990FXA-UD3 mobo
AMD FX 8350 CPU
2 x G skill 4 GB sticks
EVGA 660 Ti GPU
OS on SSD
2 x 1 TB mechanical drives

Only half my RAM is showing as usable. The rest is shoved into hardware reserved. It doesn't matter what channels I use or even what RAM I use, it cuts whatever is in there by HALF. I even tried 4 sticks, cuts 16GB into 8GB.

I've tried CLEAN installs of Windows 10 AND 8.1, still cuts in half.

I've send mobo back to gigabyte, they tested and found no problem.

I tried a different CPU, still cut in half.

I tried different GPU, still RAM halved.

I've tried editing registry, unchecking that box for "maximum memory" in the msconfig boot menu. I've looked all through the BIOS and tweeked different settings. Nothing.

I'm hoping someone can help. I don't know what else to do here.

Included are screenshots.

 

Half RAM allocated to "Hardware Reserve"

 

Half my RAM is hardware reserved

Hi,

Recently, I added 4GB of RAM to my computer, bringing it up to 8GB. However, it appears that all this has done is increase the Hardware Reserved Memory to 4.3GB. In other words, I am getting absolutely no benefit from the additional RAM.

Following advice given elsewhere in this forum, I have:

-- Done a repair reinstall of Windows 10 (not a full reinstall)

-- Checked, and then unchecked, the box for Maximum Memory in MSCONFIG

-- Updated my BIOS

Using Resource Monitor, I cannot identify any hardware that is claiming a high level of RAM.

What can I do? Do I have to do a full reinstall of Windows?

I'm running Microsoft Windows Education (64-bit)

AMD FX-4100 quad-core processor, 3600 MHz

MSInfo32 shows 8.0GB RAM "installed physical memory," 3.73GB "total physical memory"