Noctua NH-D14 HSF my pc 3.6 ghz not stable

i got quadcore 6600 not stable at 3.6 ghz volt 1.560 prim95 temp all core under 72c after replace my Thermalright Ultra 120 eXtreme with Noctua NH-D14 HSF what did i do wrong anyone can help me


Thermalright Ultra 120 eXtreme qq6600 3.6 ghz v1.560 temp 78c stable


Noctua NH-D14 HSF qq6600 3.6 ghz v1.560 temp 72c not stable ( tried 3.2 ghz not stable )


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Clear Case: 8x 120MM Fan + 240MM fan
Motherboard: Evga 680i A1
CPU : QQ6600 G0
Ram:: G.SKILL 4GB
HDD: 4x hdd 1.5TB
PSU: OCZ PRoXstream 1000w
Video Card: 2x Evga 260 216
9 answers Last reply
More about noctua stable
  1. It dropped your temps 6c from the TRUE, I'd say it's working fine.

    Your stability problem has nothing to do with the lower temperatures you are getting.
  2. ^ Agreed.

    @OP: Try lowering the vCore, 1.5v seems a bit too high. What stepping? My recommendation would be clear CMOS and try again.
  3. +1 what RJR and shadow said.
  4. JohnnyLucky said:
    +1 what RJR and shadow said.


    +1 what JohnnyLucky said.
  5. +1 what AsAnAtheist said.
  6. it was stable with true but after installed Noctua NH-D14 HSF not stable even i tried lower than v1.5 i think Noctua heatsink is big cover something on my motherboard cause pc unstable what is +1 let me try reset cmos
  7. i tried reset cmos didnt work my computer restart at start up or while playing game less than one hour my computer run ok without oc
  8. What are the Core temps?
  9. Noctua NH-D14 HSF qq6600 3.6 ghz v1.560 72 72 69 69 i dont think temp promblems but i have no idea why computer restart and first time blue screen
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