Question upgrade ram reboot loop

Jul 10, 2019
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I received 2 ram and decided upgrade my ram to a higher clocking speed however the computer was met with a reboot loop. I tried to mix around with the old ram and have this new findings. 1 new ram (specifically only one of the two) with 1 old ram (first of the two) works and may reboot sometimes. I check and they clock to the lower speed(old ram). So is this a compatibility issue or faulty ram. Mind noting that the old setup works fine and none is faulty


New memory: https://www.corsair.com/uk/en/Categories/Products/Memory/High-Performance-Memory/VENGEANCE®-Pro-Series-—-8GB-(2-x-4GB)-DDR3-DRAM-1600MHz-C9-Memory-Kit/p/CMY8GX3M2A1600C9R#tab-tech-specs

old memory 1: ct51264ba160bj.c8fer [crucial by micron, 4GB DDR3 - 1600 UDIMM 1.5V]
old memory 2: https://www.amazon.com/Micron-PC3-12800U-MT8JTF51264AZ-1G6E1-Desktop-Memory/dp/B011STAHN6

Motherboard: HP - Compaq Pavilion Slimline 400-335d
https://support.hp.com/us-en/product/hp-pavilion-slimline-400-300-desktop-pc-series/6879032/model/6991849/document/c03885123

GPU: zotac Gtx 1050 mini
https://www.zotac.com/us/product/graphics_card/zotac-geforce-gtx-1050-mini

Processor:Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz, 3301 Mhz, 4 Core(s), 4 Logical Processor(s)
 
Are you only mixing the RAM modules when you said you upgrade?
Have you tried the new RAM modules by themselves?

Mixing RAM modules is a 50/50 gamble. RAM modules are only guaranteed compatibility in the form sold (from the exact same pack).
 
Jul 10, 2019
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Are you only mixing the RAM modules when you said you upgrade?
Have you tried the new RAM modules by themselves?

Mixing RAM modules is a 50/50 gamble. RAM modules are only guaranteed compatibility in the form sold (from the exact same pack).
I did used 2 new ones as a pair and the computer went into reboot loop. I was hoping to understand why this happens.
 
Jul 10, 2019
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Have you tried each of the new RAM individually in each slot?
Identify if it is either 1 module or 1 slot that is the problem.

Also reset CMOS just to ensure BIOS is reset.
yes i did and true, only one slot is able to detect the ram (only first of the 2) from this can it be concluded the 2nd new ram is faulty, since both slot can work for old ram?

will reset bios next time i try
 
Jul 10, 2019
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No RAM is recognised in the second slot?
Did it all work fine with just RAM module installed?
yes(new ones).
And yes(old ones).

I was wondering if getting a new and maybe compatible motherboard will solve the problem. I would like to know your train of thoughts
 
Last edited:
Jul 10, 2019
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No RAM is recognised in the second slot?
Did it all work fine with just RAM module installed?
i am sorry. this is the actual ram : https://www.corsair.com/us/en/Categories/Products/Memory/VENGEANCE®-Pro-Series-—-8GB-(2-x-4GB)-DDR3-DRAM-1866MHz-C9-Memory-Kit/p/CMY8GX3M2A1866C9R#tab-tech-specs

the difference is the clock speed 1866mhz whereas the default ram that comes with the motherboard is 1600Mhz. maybe my motherboard cannot support this.

also the ram is compatible to Intel Z68, Intel Z77 but my motherboard is Intel H87. So only the ram is only compatible to Intel Z68, Intel Z77?? i thought ram generally should fit a wide range.
 
i am sorry. this is the actual ram : https://www.corsair.com/us/en/Categories/Products/Memory/VENGEANCE®-Pro-Series-—-8GB-(2-x-4GB)-DDR3-DRAM-1866MHz-C9-Memory-Kit/p/CMY8GX3M2A1866C9R#tab-tech-specs

the difference is the clock speed 1866mhz whereas the default ram that comes with the motherboard is 1600Mhz. maybe my motherboard cannot support this.

also the ram is compatible to Intel Z68, Intel Z77 but my motherboard is Intel H87. So only the ram is only compatible to Intel Z68, Intel Z77?? i thought ram generally should fit a wide range.
Usually if the MB has a limited clock speed, it will just downclock the RAM, however sometimes it also refuses to work with them at all.

RAM is generally cross compatible, but it's not guaranteed.

Does it work correctly when just 1 module is installed? or is there always 1 module that it faults with?
 

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