Z68 Extreme4 Gen3

yes, I'm running dual monitors using the onboard video without problems.

Basically I keep getting flickering and often the screen just goes completely blank altogether. Some advice please - heres what I've tried already:

Bear in mind no overclocking is enabled on anything at all, and it all worked fine with my 5850's. Full system spec is in my sig barr the X-Fi Elite soundcard I have plugged in.

A)- Completely removed ATI drivers
B)- Installed both latest Intel and Asrock drivers for Intel HD.
C)- Reset CMOS completely (pulled battery for 15 minutes).
D)- Upgraded and downgraded to all BIOS revisions (1.0, 1.10, 1.15)
E)- Complete format and reinstall of windows from scratch.
F)- Tried upping iGPU +0.50mv (next step in BIOS) to no avail (made it worse!)
G)- Tried with and without iGPU VDroop (setting in BIOS)

Heres a video showing the problem - as you can see its pretty much unusable as a result! :(

http://youtu.be/9T25po1MU-s

Thanks in advance for any advice.
 
Figured it out - its the displayport mate.
Works fine using a DVI cable - wierd problem, think I've heard it mentioned before about the Z68 chipset come to think of it now.
 
After 20 runs on IBT set on max this is a s stable as I can get at 4.8, as AS5 begins to cure, I reckon I’m good for a 24/7 overclock.
StableOC01-01-2011.jpg

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AsRock Z68 Ex4 G3, [email protected] , G. Skill RipsawsX 8GB,
5850 1GB(CFX), CM90 II Advanced, Crucial M4 256GB, 4 HDDs,
NH-D14, XFX 850W BE, Xonar Essence STX, BlackGold HD DVB.
 
That is a nice chip, getting 1.32V with 4.8 is a complete no go for mine...
What setting are you using to get the Vcore?

Here are my settings, but I think the 4.8 is down to 8 case fans especially the 80 mm Sharkoon pulling air away from the back plate and the Noctua’s NH-D14.

TheOneOCSettings04-01-2012.jpg


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AsRock Z68 Ex4 G3, [email protected] , G. Skill RipsawsX 8GB,
5850 1GB(CFX), CM90 II Advanced, Crucial M4 256GB, 4 HDDs,
NH-D14, XFX 850W BE, Xonar Essence STX, BlackGold HD DVB.
 
I got my new asrock z68 for crimbo :) and I love it, But when I move my mouse I get a strange noise in my headphone's ? There is a problem in DEVICE MANAGER something about USB device not recognised ?
I have loaded all the drivers that come with the motherboard to do with USB but can't get rid of this issue in Device Manager.

If anyone has had this noise problem let me know thanks.
 
I got my new asrock z68 for crimbo :) and I love it, But when I move my mouse I get a strange noise in my headphone's ? There is a problem in DEVICE MANAGER something about USB device not recognised ?
I have loaded all the drivers that come with the motherboard to do with USB but can't get rid of this issue in Device Manager.

If anyone has had this noise problem let me know thanks.

The noise could be down to Intel speedstep,try disabled and see if noise stops,changing your psu and or gpu to another brand might fix it,its electrical interference between psu or gpu and the mb/chip power saving states
 
The noise could be down to Intel speedstep,try disabled and see if noise stops,changing your psu and or gpu to another brand might fix it,its electrical interference between psu or gpu and the mb/chip power saving states

Thanks wazza300 :) what is speedstep ? I want to start over clocking will this stop me from doing this ?
Also with my old MB I did not get this as the power supply and GPU's are the same so if there is a fault it must lie with the MB, well I would have thought but then I'am always wrong :D
 
Just build my first ever rig with one of these. First boot, no problem. All up and running with a 2500k and Antec Khuler 620. I've used the auto profile for 4.6ghz and it's running solid at 60 degrees C.

However CPU-Z reports 1.36v to the CPU which, from reading through most of this thread, seems a bit high. Would I be remiss to try and reduce the vcore manually to lower temps (and power consumption), or should I just leave it?
 
Autoclocks tend to run with a slightly higher voltage... If you take the time to manually enter your overclock you should be able to find a lower voltage..
 
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