Windows 10 won't use all 16 gigs, only says 7.96 are usable

hayspanky · Apr 12, 2016

I just got my Build put together. Everything I purchased was brand new.

When I installed my Windows 10, everything was going great. Everything was running as it should. Then I checked the Ram I have 16 gigs. It recognized that I only had 16 gigs but says only 7.96 are usable.

I then went in and checked the BIOS and it says all 16 gigs are installed.

I reseatted them as well. No change.

I even made sure that the check box for a maximum amount of RAM is unchecked.

Is there anything else I can try to get this resolved please?

Saga Lout · Apr 12, 2016

You'll get more usage out of that RAM if you install a 64bit systen.

SinxarKnights · Apr 12, 2016

Saga Lout :

A 32 bit OS can use 8GB of RAM? that is news to me. When did that change?

hayspanky · Apr 12, 2016

Saga Lout :

I have 64 bit Windows. Guess I should've said that earlier

Saga Lout · Apr 12, 2016

hayspanky :

What is the make and model reference of your motherboard?

Tradesman1 · Apr 12, 2016

What mobo, CPU, model #(s) of DRAM and what CPU cooler? Also what slots are the DRAM in?

hayspanky · Apr 12, 2016

Here is a link to my build

http://pcpartpicker.com/user/Hayspanky/saved/XfJhP6

Sorry I feel like you could find those answers quicker than I could. I really appreciate all your guys's help

Tradesman1 · Apr 12, 2016

Let's start with the DRAM all over again, take the DRAM out, clear the CMOS, then install in slot 1-3 or 2-4 from CPU boot and see if all 16GB are available. If so, then try setting the DRAM to 2133, and raise the CPU/NB voltage to 1.2 then boot again and see if all available - let us know what happens and we'll go from there.

hayspanky · Apr 12, 2016

I haven't had the chance to do that yet. But I did take out one ram stick, and it booted fine. I shut it down and switched the ram sticks out. This time my monitor wouldn't display it and said that there was no signal. I shut down and stuck the other stick in and it booted up and my monitor came up just fine. Could this mean the one stick is faulty?

Tradesman1 · Apr 12, 2016

Could well be the problem

hayspanky · Apr 12, 2016

Thank you! I'll run ti best buy tomorrow get more ram and try it out. If that fixes it or not I'll post back here!

Tradesman1 · Apr 12, 2016

Will be in and out, out a good part of the day, have to run out of town for a part of the day

hayspanky · Apr 14, 2016

Okay, so I went out a bought new RAM. I came home and installed them and everything is working perfectly fine! One of my RAM stick must have just been faulty! Thank you for your help I really appreciate it!

Tradesman1 · Apr 14, 2016

Glad to hear all is well, Pain in the butt to get bad stick(s), should be able to RMA the DRAM

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Windows 10 won't use all 16 gigs, only says 7.96 are usable

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