Question Only half of ram usable. 16GB ram (7.95GB Usable)

Aug 22, 2019
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Can somebody help me fix this?

My specs:
- Nvidea gtx 1660
  • Ryzen 5 2600
  • G,skill 16GB Ram (8x2) 3000mhz
  • Motherboard: Gigabyte B450M DS3H
Tried msconfig already.
 

Ralston18

Titan
Moderator
Were the modules purchased separately or as matched set (kit)?

Try each memory module individually per the applicable motherboard's RAM installation and configuration instructions for a single module.

Determine if one module or the other is defective.

If both modules work individually, double check the current installation configuration with respect to dual channel RAM.
 
Reactions: gskill support
Aug 22, 2019
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Found this info in this link https://forums.tomshardware.com/threads/windows-10-only-using-half-of-installed-ram.2558441/

Also saw where this was a bios issue on a Gigabyte H170 board, Do you have the latest Bios?
If I install the last version of Bios the pc only shows 8 gb of ram.

Also you could run Memtest86 Memtest 86 http://www.memtest86.com/technical.htm
Guide to using Memtest86+
https://www.wikihow.com/Test-PC-RAM-with-MemTest86 This runs outside of windows and if it shows only 8GB it is a motherboard issue.
I'll do that, thanks
 

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