Pc was built new in Jan 2013
Windows 7 64bit
Motherboard
Z77X - D3H
intel core i5 3330ivy bridge 3GHz
RAM installed is 2 sticks of 4Gx2
F3-12800CL9D-8GBXL
Ripjaws DDR3 1600 CL9-9-9-24 1.50 V
I needed a little bit more than 8gb of ram so I purchased another GSKILL ram kit of the EXACT same type as the original.
This i believe would take me from 8 to 16 total gb ram.
However Installing these extra 2 new modules in the remaining 2 slots caused the pc to not boot to windows.
The new ram is not faulty as I tried them each on their own and together.
After many nights of google I discovered that my new RAM is single sided and my old ram is double sided.
I thought that could be the reason why but then i tried more combinations.
If i combine 1 module of old ram Double sided and 1 module of new ram Single Sided everything is fine.
So i thougt mixing them doesnt seem to be a problem. Its when i add a 3rd stick thats when it wont boot to windows.
My bios version is F16. I have never messed with the bios.
I have seen in bios that when all 4 sticks are in shows just over 16 GB so its reading them.
All 4 slots are set to auto.
I am pretty sure I have never changed anything in the bios before.
Just cant work out why it wont boot to windows when i add a 3rd or 4th stick.
Windows 7 64bit
Motherboard
Z77X - D3H
intel core i5 3330ivy bridge 3GHz
RAM installed is 2 sticks of 4Gx2
F3-12800CL9D-8GBXL
Ripjaws DDR3 1600 CL9-9-9-24 1.50 V
I needed a little bit more than 8gb of ram so I purchased another GSKILL ram kit of the EXACT same type as the original.
This i believe would take me from 8 to 16 total gb ram.
However Installing these extra 2 new modules in the remaining 2 slots caused the pc to not boot to windows.
The new ram is not faulty as I tried them each on their own and together.
After many nights of google I discovered that my new RAM is single sided and my old ram is double sided.
I thought that could be the reason why but then i tried more combinations.
If i combine 1 module of old ram Double sided and 1 module of new ram Single Sided everything is fine.
So i thougt mixing them doesnt seem to be a problem. Its when i add a 3rd stick thats when it wont boot to windows.
My bios version is F16. I have never messed with the bios.
I have seen in bios that when all 4 sticks are in shows just over 16 GB so its reading them.
All 4 slots are set to auto.
I am pretty sure I have never changed anything in the bios before.
Just cant work out why it wont boot to windows when i add a 3rd or 4th stick.
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