Question PC will only get past windows loading screen with 2 NOT 1 RAM sticks?

Dec 22, 2019
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Hey guys today I have an interesting one:

My custom Built PC has been having many issues lately. Well, not many, but a good few. The Major one being that my system would lock up when both idle, and gaming.
This started happening around a week ago. It happened in the past as well around 2 years now, but it would stop but now it has come back and it's getting worse.

My PC specs are:
Windows 10 PRO 64bit
AMD Ryzen 7 2700x Processor ( Upgraded from Ryzen 3 1200 around a month or two ago. Thought it was faulty)
ASRock AB350M PRO4 Motherboard
Corsair Vengeance RGB PRO 16GB 3200mhz (XMP 2.0 Profile enabled) ( Upgraded from 8GB Timetec 2400mhz less than a month ago. Thought it was faulty )
AMD SAPPHIRE RX 480 8GB Graphics card
Corsair CX750 Power Supply ( Upgraded from CX 550 less than 3 weeks ago. thought it was faulty )

Now, my computer would often lock up (in a frozen state) or just simply cut to a black screen and say no input detected. However, The computer itself would still be on with fans running and RGB light on. That is one issue. Another one is that I CANNOT launch into desktop without my second stick of RAM. This is very strange as I cannot find anything about this topic at all and is really driving me nuts because I have just replaced most of my core components. Any help would be appreciated.

Steps taken:
Ran memtest64 > crashed during allocating memory
Ran memtest64 > past 8 loops then I stopped it manually
Cleared CMOS > Same thing happened
Tried ONE stick > Not booting into desktop
Tried OTHER stick ( still one ) > Not booting into desktop
Tried BOTH (A1 & B1, A2 & B2) > Boots into desktop runs for about hour and a half > Locks up/ crashes NO BSOD. ( Same exact thing happened with old RAM.)
Turned of HDD hibernating and turn disk off After settings > Same results.
Tried doing Windows Memory Diagnostics With ONE RAM stick > Froze mid-way
Tried it again with ANOTHER stick > Same result
Checked Temps on CPU, GPU > Temps are fine below 60-70 Degrees Celsius ( ~25 Degrees Celsius idle )
Tried a different Graphics Card > Same results

Again, I could not find this kind of topic in any type of forums. I should also mention that SOMETIMES when it turns off ( No input in display ) I get a beep code. That being ; 1 single beep then 3 continous fast beeps. Could it possible be my motherboard? My New ram have ran great no problem for 2 weeks until this happened once again. I hope to get a reply from you guys as I cannot stand this anymore, the amount of money going into this and time!

Thanks.
 
Check your cpu eps cable. Is it the correct cable marked eps? Is it in correctly? The error beeps are memory timer and memory read write test failure. Check your main board 24 pin power plug also for snug fit. What bios are you on? If trouble shooting and bios update dosn't fix the problem, then it is probably your motherboard.
 
Dec 22, 2019
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Check your cpu eps cable. Is it the correct cable marked eps? Is it in correctly? The error beeps are memory timer and memory read write test failure. Check your main board 24 pin power plug also for snug fit. What bios are you on? If trouble shooting and bios update dosn't fix the problem, then it is probably your motherboard.
I recently just updated my bios to P5.50 seems to be running well for the past 6 hours.. no crashes.. We'll see how it goes..
 
Jan 8, 2020
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Hey has this been fixed? The issue for me was overclocking the ram to anything above 2933 MHz, didn't know beforehand but bought 2 sticks of ram that ran at 3200 MHz, however the CPU is apparently only designed for 2933 MHz.
 

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