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I7 CPU won't cold boot?

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a b à CPUs
August 26, 2009 1:32:38 AM

So I'm trying to undervolt + overclock, or just plainly undervolt.

However, even though my computer passes hours of Prime95, it doesn't boot up after it is turned off for a few hours - I suppose bootup requires much more cpu voltage than when it is running at load.


OCed to 3.0GHz
So far, I've tried to up 1.1325/1.1350 volts and it doesn't boot. Any recommendations? (both for OCed speeds and for keeping it at stock)

It's annoying to go through trial and error, since I need to restart it like 5 times so the BIOS resets...it'd be easier if someone told me their voltage settings for an i7 overclock or undervolt.

More about : cpu cold boot

August 26, 2009 3:10:36 AM



"I suppose bootup requires much more cpu voltage than when it is running at load"


I think you answered your own question there....Gl :hello: 


a b à CPUs
August 26, 2009 4:38:07 PM

Any voltage suggestions?
Related resources
August 27, 2009 2:03:12 AM

don't overclock and undervolt at the same time. You know that eventually this is going to happen.
August 27, 2009 3:02:31 AM

Bluescreendeath said:
Any voltage suggestions?

We might be able to give you some better answers' if we knew which Core i7 motherboard you have and what Bios' revision it currently has on it.
a b à CPUs
August 27, 2009 4:25:23 PM

Yoosty said:
We might be able to give you some better answers' if we knew which Core i7 motherboard you have and what Bios' revision it currently has on it.


DX58SO w/ the latest update from July/August of this year
August 27, 2009 5:45:20 PM

Go here and read this from page 3 onward: Intel DX58SO: a Completely Different Mainboard.
http://www.xbitlabs.com/articles/mainboards/display/int...

Also check out these Review & Overclocking
Intel DX58SO Smackover X58 Motherboard
http://benchmarkreviews.com/index.php?option=com_conten...

Intel X58 Extreme DX58SO Motherboard Review :: Intel DX58SO BIOS and Overclocking
http://www.motherboards.org/reviews/motherboards/1845_5...

This is the basics of how to Overclock on the Intel DX58SO X58 Motherboard
http://www.computerlounge.co.nz/forum/Default.aspx?g=po...

Hope these help you out, Good Luck.
a b à CPUs
August 30, 2009 3:22:19 AM

Unfortunately, it says what I already know. =(

Most guides are about overclocking with voltage increases, and overclocking far more than I intend to...
a b à CPUs
a b K Overclocking
August 31, 2009 8:41:37 PM

I had this same problem with my P4 on an Asus board (started happening after it was 4 years old). The fix was to increase the Vcore, overclocked with extra voltage it'd start everytime, but on stock settings it'd take a few goes.

Put the same chip in a new motherboard 2 months ago and never had the problem.
!