Strange issue with new build


i was wondering if i could get some input regarding a strange issue with new i5 build. the problem is when in windows 7 desktop the graphics seem to intermittently become jittery (for lack of a better way to describe it) when the system is idle but as soon as any of the drives spin up the problem decreases and goes away. it's almost as if under load things are fine but when the power load decreases the problem returns. could this be a psu problem?

system specs

cpu - i5 2500k
mobo - gigabyte ga-z68x-ud3h-b3
ram - G.SKILL NQ Series DDR3 1600MHz (PC3-12800) 4GB (2x2GB) Dual Channel Kit (F3-12800CL9D-4GBNQ)
hdd - Western Digital Caviar Black (WD7502AAEX) 750GB SATA3 7200RPM 64MB Cache
dvd - Lite-On IHAS124-04 Internal DVD Writer - DVD+R 24X, DVD-R 24X, DVD+RW 8X, DVD-RW 6X, DVD+R DL 8X, SATA (OEM)
PSU - Corsair Builder Series CX600 V2 600 Watt 80 PLUS Certified Power Supply (CMPSU-600CXV2)

any thoughts or advice would be appreciated

thanks in advance


P.S. running cpu @ stock speed with stock cooler
9 answers Last reply
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  1. Sounds like some sort of power issue. I would try diabling the power saver feature within windows to see if it goes away , you can always set it back to default. Maybe set a custon power plan to eliminate the power saver feature.
  2. Download Motherboard Monitor or the program that comes on the Gigabyte Z68's disk and watch your voltages. If they look alright, then I would go to all of the manufacturers sites and update all of your drivers. Give that a try.
  3. Hi Inzone,

    I will give it a go and post back

    thank you
  4. hi quicksilver98,

    i have all the latest drivers installed from GB site but i will fire up the monitoring prog and check it out.

  5. @ Inzone

    ok changed power saving to performance and no joy. not sure if it can be completely disabled
  6. Seem to be getting Vcore fluctuations as well as the graphics issues i am leaning towards psu issue
  7. Have you done a hard reset of your BIOS or CMOS? A lot of times when my systems act up it's usually this issue.
  8. ok i'll give it a try. i was wondering could this be an issue with one of the peripherals ei. HDD, DVD or even the cpu cooler.
  9. Ok figured out the problem. It was the power saving features in the BIOS that where causing the problem so I disabled them and all is well.

    thanks to all who replied.
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