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Need help diagnosing PC freeze/lockup

100% a hardware issue. I RMA'd my GTX660Ti thinking it was the problem and got a replacement but I still freeze while watching YouTube fullscreen or during gaming. I figured it was the RAM but memtested each dim up to 7-8 passes. (16GB) Could it be a hard drive or even a motherboard problem? All drivers are up to date. I am assuming it is a defective GPU/RAM slot(s). Or a hard drive issue. Any ideas lads? Which part should I RMA first? HDD or Mobo? GPU & CPU temps are pretty decent. No OC. Don't know about RAM voltages or anything about em. They are running at stock. Also nothing shows up in Event Viewer after a freeze. No logs what so ever. Help please.

- 500GB black caviar Western Digital HDD
- Asus p8z77-VLK
- 16GB Corsair Vengeance
-750W gold certefied Corsair PSU
- GTX660Ti 2GB
-Intel i5 3550 3.3Ghz Quad core
11 answers Last reply Best Answer
More about diagnosing freeze lockup
  1. What's the model # of your DRAM?
  2. Tradesman1 said:
    What's the model # of your DRAM?

    CMZ16GX3M4X1600C9
  3. Try raising DRAM voltage to 1.55 and CPU/NB voltage to 1.24
  4. Tradesman1 said:
    Try raising DRAM voltage to 1.55 and CPU/NB voltage to 1.24

    how will this prevent lock ups/freezes? and whats NB?
  5. Best answer
    If DRAM not running correctly can cause this type of lockup. Also forget CPU/NB was thinking of another mobo. Just try the slight DRAM increase
  6. Tradesman1 said:
    If DRAM not running correctly can cause this type of lockup. Also forget CPU/NB was thinking of another mobo. Just try the slight DRAM increase

    okay thank you, it was running at 1333Mhz so I upped it to 1600 and also the voltage from default to 1.550, I will let you know if my problem persists, thanks a lot for the help!
  7. Will be waiting to hear ;)
  8. Vengeance memory supports the Intel XMP (Extreme Memory Profile) standard, and each module is individually factory-programmed with an XMP profile indicating supported timing, frequency and voltages. Just enable XMP on your compatible motherboard and you'll automatically get optimized memory overclocking without having to deal with multiple BIOS settings.
  9. Calvin7,
    Yes that's true in an ideal world, unfortunately we don't have one.... the sticks are programmed in the SPD for XMP, not as individual sticks but by the packaged set....and while they do have the proper data in the SPD (most of the time ;) ) that's all it is - simply information - it's up to the BIOS to take and implement it to the proper settings, all to often the BIOS isn't ready for an exact config, so it just the best it can to fit the sticks in....and often not that well, hence small adjustments to timings and/or voltage may be needed
  10. Tradesman1 said:
    Calvin7,
    Yes that's true in an ideal world, unfortunately we don't have one.... the sticks are programmed in the SPD for XMP, not as individual sticks but by the packaged set....and while they do have the proper data in the SPD (most of the time ;) ) that's all it is - simply information - it's up to the BIOS to take and implement it to the proper settings, all to often the BIOS isn't ready for an exact config, so it just the best it can to fit the sticks in....and often not that well, hence small adjustments to timings and/or voltage may be needed

    PC just crashed again, had to restart. :/ Nothing still shows up in Event Viewer. I think I am going to RMA my motherboard.
  11. But before I do any of the RMA, do you know a program that can diagnose driver issues? If we were to assume it is a software related issue.
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