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Windows 7: RAM issue in Win 7 x64

2 Weeks Ago   #1
dorian hawkmoon

Windows 7 Ultimate (x64) SP1
RAM issue in Win 7 x64

A strange thing keeps happening sometimes. Win showed 3.9 usable of available of detected 8GB! Why? Restarted, showed 8Gb again. Next restart same issue.

I took the RAM sticks out, one by one booted fine on same slots. Normal Memory Diag. ran okay without error. Next restart same issue again Took them out inserted in 1st and 3rd, instead of previous 2nd and 4th. So far so good for 5 restarts or so. I don't know

My System SpecsSystem Spec
2 Weeks Ago   #2

Windows 10 64 bit

Check the BIOS for memory. Windows only knows what the BIOS detects. Maybe A BIOS (CMOS Memory) reset is needed?
My System SpecsSystem Spec
2 Weeks Ago   #3

Windows 7 HP

Is your BIOS up to date?
Is the HyperX FURY 4GB 1866MHz on the "Memory Support List"?
My System SpecsSystem Spec

1 Week Ago   #4
dorian hawkmoon

Windows 7 Ultimate (x64) SP1

BIOS is up to date. No, these exact RAM were not on support list. But, it supports 1866MHz RAM, as does the processor. POST went fine the first time I installed.
After the slot changes after the problems, so far 8Gb detected and used. The sudden problem was it detected 8Gb but usable was 3.9Gb!
My System SpecsSystem Spec

 RAM issue in Win 7 x64

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