undo overclocking in my i7 4790k

charles1515 · Jan 2, 2016

I may sound stupid for all I know but I need to un overclock my I7 4790k that came overclocked and runs way to hot with my standard cpu fan, all I can find on the internet is how to overclock not undo it.

Sergeant_Sneaky · Jan 2, 2016

You can reset the overclock by resetting your BIOS to default settings, you can do this by removing the battery for 30 seconds or by using the CMOS reset jumpers if your motherboard has them.

charles1515 · Jan 3, 2016

Sergeant_Sneaky :

I tried resetting the bios by removing the battery but I think the Intel I7 came overclocked by default so the default setting would be overclocked.

Sergeant_Sneaky · Jan 3, 2016

charles1515 :

Can you take a picture of your BIOS screens that show 'vcore voltage' and 'core multiplier' please.

charles1515 · Jan 3, 2016

Can you take a picture of your BIOS screens that show 'vcore voltage' and 'core multiplier' please.
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I did'nt actually know how to paste pictures so I just used Imgur
http://imgur.com/QsQJSiH
http://imgur.com/NTWVHoA

DonkeyOatie · Jan 3, 2016

The Vcore is above my stock, but the multiplier seems normal.

Sergeant_Sneaky · Jan 3, 2016

DonkeyOatie :

It seems normal to me too, the voltage seems a bit high but you may have just got a not so good chip. What are your temps reaching OP?

DonkeyOatie · Jan 3, 2016

I can run 4.5Ghz on all cores at that voltage.

charles1515 · Jan 3, 2016

Sergeant_Sneaky :

In task manager the speed is 4.32GHz and my cpu gets wayy to hot about 190F when running games 100F when not.

DonkeyOatie · Jan 3, 2016

35Cis a bit high for an idle, and the high 80Cs is far too hot when running.

It is possible that your chip requires that much voltage to meet specification, but the stock cooler should be doing better than that. Did you install it yourself?

charles1515 · Jan 3, 2016

DonkeyOatie :

Yes I installed my self. And it should come stocked at 4.00GHz correct? Mine runs at 4.32 but I did nothing get it that high.

Sergeant_Sneaky · Jan 3, 2016

charles1515 :

The cooler won't be coping at that voltage, 1.258v is high end air cooling territory. 4.4Ghz is the turbo boost so it will run at up to that speed if necessary.

DonkeyOatie · Jan 3, 2016

It sounds like you have all cores set to turbo on.

Stock is 4.0, single core turbo is 4.4, two core turbo is 4.3 and three or more core turbo is 4.2

The voltage should not be that high (by at least 0.1V.)

What does your voltage drop to on idle?

charles1515 · Jan 3, 2016

DonkeyOatie :

the voltage doesn't seem to change

DonkeyOatie · Jan 3, 2016

Your Voltage stays at 1.25 even at idle? (Just checking)

charles1515 · Jan 3, 2016

DonkeyOatie :

oh my bad it switches from around .3-.8 idle

DonkeyOatie · Jan 4, 2016

That's good. I was worried.

The 4.4-ish GHZ voltage you have is much higher than the two I7s I have worked with and that voltage will b e beyond what your stock fan can handle 24/7.

What is your motherboard? We might be able to undervolt the CPU and get things down to a more sensible level.

charles1515 · Jan 4, 2016

DonkeyOatie :

Gigabyte ATX DDR3 LGA 1150 SATA DIMM 6Gb/s Motherboard (GA-Z97X-UD3H), I tried disabling turbo but no change

DonkeyOatie · Jan 4, 2016

But you can go into the BIOS and confirm the voltage, and try a manual overclock, using a voltage like 1.200V.

charles1515 · Jan 4, 2016

DonkeyOatie :

ok I changed the voltage to 1.200V

DonkeyOatie · Jan 5, 2016

What did that do to the speeds and temperatures (and voltage), if anything?

charles1515 · Jan 5, 2016

DonkeyOatie :

Did'nt seem to change at all.

Oddly I restarted my computer and my temperature in games is now around 120F average I don't know what I did but i'm glad it happened, Thanks for your patience and help, happy to know there is a trusted reliable website to help me with my pc needs thank you!

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