Only one RAM slot is usable

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I

ItsRapidDave

Distinguished
Nov 17, 2013
43
1
18,535
Operating System
Windows 10 Pro Insider Preview 64-bit
Specs:

CPU
AMD FX-8350 20 °C
Vishera 32nm Technology
RAM
8.00GB Single-Channel DDR3 @ 803MHz (9-9-9-24) (Patriot Viper)
Motherboard
Gigabyte Technology Co. Ltd. GA-990FX-GAMING (CPU 1) 31 °C
Graphics
K242HL (1920x1080@59Hz)
8192MB ATI AMD Radeon R9 390 Series (ATI AIB) 40 °C
Storage
111GB Patriot Blast (SSD) 30 °C
223GB SanDisk SDSSDA240G (SSD) 28 °C
419GB Western Digital WDC WD4500BLHX-01V7BV0 (SATA) 35 °C
111GB SanDisk SDSSDHII120G (SSD) 29 °C

Specs copied from Speccy



My motherboard will only pick up one RAM slot, I have two sticks of 8GB memory, yesterday they worked (Except Windows would say only 7.96GB is usable.)

It's something wrong with the slots, as SLot 1 works fine with either stick installed, but if RAM is present in any other slot the PC fails to boot, won't go to post, monitor won't even detect the PC.
 
Solution
C
Tested Frequency PC3-15000 (1866MHz)
Tested Timings 10-11-10-30

Base Frequency PC3-12800 (1600MHz)
Base Timings 9-9-9-24

You don't have memory paarmeters set in BIOS as you show it running at Base Frequency and Timings.

Test each module with MemTest86, if any errors replace the kit under warranty.
https://www.memtest86.com/
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SoggyTissue

SoggyTissue

Estimable
Jun 27, 2017
1,029
0
2,960
resource monitor > memory

in use + standby + free = 16GB. windows 10 likes to report the 'free' portion only because brill grates thinks everyone is too stupid to add up.
you can expand this 'free' memory by increasing the pagefile instead of letting winndows manage the size. you could have 200GB free if you wanted.
 
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I

ItsRapidDave

Distinguished
Nov 17, 2013
43
1
18,535


Either I'm missing something or that doesn't answer my question at all.

If I use any other RAM slot my PC simply won't boot, won't even go into post, so increasing the pagefile won't do anything since my PC will only let me use one RAM slot.
 
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I

ItsRapidDave

Distinguished
Nov 17, 2013
43
1
18,535


It's a set of sticks 2x8GB, so they're designed to work together.

The RAM stick reads PV316G186C0K
PD000285

Not sure if that information is of any use.
 
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C

Calvin7

Titan
Feb 19, 2013
11,725
334
76,490
Tested Frequency PC3-15000 (1866MHz)
Tested Timings 10-11-10-30

Base Frequency PC3-12800 (1600MHz)
Base Timings 9-9-9-24

You don't have memory paarmeters set in BIOS as you show it running at Base Frequency and Timings.

Test each module with MemTest86, if any errors replace the kit under warranty.
https://www.memtest86.com/
 
Upvote 0 Downvote
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