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Computer wont boot after CPU upgrade

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July 5, 2013 2:50:20 PM

Hey Guys,

I just upgrade from an i5 2500 to an i7 3770k as I'm starting to do a lot of streaming and my CPU has been giving me some problems.

Anyways, when I changed the CPU my computer turns on, but the monitors don't come out of sleep mode and nothing boots. I get the error code on my mobo that RAM is not installed. I tried resetting the ram 1 by 1 and in different channels but no change. I also tried switching to my old CPU and I am getting the same issue.

Not sure what to do next. I tried to check if I bent a pin in the CPU socket, but from what I can tell everything looks fine. I don't see why my RAM would all of a sudden go bad, but I would appreciate any help. Thanks!
a b à CPUs
July 5, 2013 3:07:10 PM

Did you remember to update your BIOS to support Ivy Bridge cpus?
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July 5, 2013 3:11:15 PM

MauveCloud said:
Did you remember to update your BIOS to support Ivy Bridge cpus?


I did not. I checked if my Asrock Extreme3 Gen4 was compatible on the site and it was, so I didn't think I would need to update the BIOS. But shouldn't my old CPU still run?
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July 5, 2013 3:20:24 PM

I don't see an Extreme3 Gen4 at ASRock's website. If you mean the Z68 Extreme4 Gen3, it only supports an i5-3570k with BIOS P2.10 or newer. Yes, you should be able to boot it with the old cpu to perform the bios update.
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July 5, 2013 3:56:30 PM

MauveCloud said:
I don't see an Extreme3 Gen4 at ASRock's website. If you mean the Z68 Extreme4 Gen3, it only supports an i5-3570k with BIOS P2.10 or newer. Yes, you should be able to boot it with the old cpu to perform the bios update.


Sorry, I forgot to mention it was the p67 extreme3 Gen4. www.asrock.com/mb/Intel/P67 Extreme4 Gen3/?cat=CPU

I popped my old processor into the computer and its giving me the same boot problems unfortunately. Rather odd.

Edit: I was able to get my old processor working. I thought my sticks were bad but they worked when i had them plugged in individually. The issue was trying to run them in dual channel mode. Now i need to test if this will carry over to the new processory
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July 5, 2013 5:03:35 PM

OK. So I thought I would be able to run the new CPU not running dual channel with my RAM, but it is still giving me the error that RAM isn't installed. Not sure if I need to update my BIOS as you mentioned earlier despite the website saying the mobo is compatible.
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a b à CPUs
July 5, 2013 5:19:22 PM

Unless you already have P2.10 bios you'll still need to update it - look at the "Since BIOS" column in the page you linked with the cpu support list for the P67 Extreme4 Gen3.
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July 5, 2013 6:52:02 PM

MauveCloud said:
Unless you already have P2.10 bios you'll still need to update it - look at the "Since BIOS" column in the page you linked with the cpu support list for the P67 Extreme4 Gen3.


That was it. Updated the BIOS and I can boot with the new chip. However, I have still lost my ability to run my RAM dual channel, even with the old CPU. Not sure what happened there, but I guess I will have to live with it
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