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How do I know if my CPU is dead? (AMD FX-8350)

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December 12, 2013 11:21:57 AM

At first I want to say I do not have a lot of experience in overclocking.
Today I OC-ed my CPU to 4.5GHz, fully stable..But I was curious and you know.. I got it to 5GHz
I am using a seidon 240m cooling kit.. After the OC to 5GHz I saved the bios and restarted the PC
Now nothing shows up on the monitor, no beeping sound from motherboard, only the fans are blowing and the graphics/motherboard lights are working...
GA-990XA-UD3 rev 1.1
AMD FX-8350
I took out the motherboard battery, but that didnt work too.. I tried to find the jumper but there was nothing attached to it..
What seems to be the problem here? Is it the CPU?

More about : cpu dead amd 8350

a b à CPUs
December 12, 2013 11:28:56 AM

CPU is probably tossed. Should have watched the temps, nevertheless your mobo IC's can also be damaged (Realtek etc)
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a c 92 à CPUs
a c 77 V Motherboard
December 12, 2013 11:29:45 AM

how much did you give for core voltage?
Did you check the temperature of your processor and vrm ?

well, i think this is motherboard problem, not your processor..
5Ghz is still below maximum allowed speed for fx series..many folks run at that speed flawlessly.
but ud3 class vrm is not too strong to handle the current at that clock..

try to reset your bios..

if it's still not work, well..if your motherboard still covered by warranty, rma your motherboard..
if it's not, well, time to look a new motherboard..
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December 12, 2013 11:30:53 AM

I dont think that the CPU is fried.. It was running at like 15-25 degress on 4.6GHz.. So it cant be :( 
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December 12, 2013 11:32:00 AM

The normal voltage was 1.4000 I gave it +0.050
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December 12, 2013 11:35:11 AM

Quaddro said:
how much did you give for core voltage?
Did you check the temperature of your processor and vrm ?

well, i think this is motherboard problem, not your processor..
ud3 vrm is not too strong to handle the current at that clock..

try to reset your bios..

if it's still not work, well..if your motherboard still covered by warranty, rma your motherboard..
if it's not, well, time to look a new motherboard..


err how can I be sure it's the motherboard? I mean I checked the CPU like 2-3 times to make sure all the pins are there and they are all alright, and they were.. And there is no dmg on the CPU or anything similar.. So are you sure its not the CPU?
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a c 92 à CPUs
a c 77 V Motherboard
December 12, 2013 11:45:01 AM

5Ghz is still below maximum allowed speed for fx series..many folks run their fx8350 at that speed flawlessly.
but the problem is "3" mark of your motherboard. this one is the lowest class of gigabyte product..
and ud3 vrm is not too strong enough to handle the current at that clock..

how to make it sure ?
well, you have test your cpu at other motherboard..maybe your friend's computer..
if it's run, then your motherboard is the problem..
if it's not run, then your cpu is fail..

have you tried to reset your bios..? hard reset, with your motherboard jumper..
btw, what is your psu brand..?
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December 12, 2013 11:47:09 AM

Cooler Master 750 W

btw how do I reset my bios via the MB jumper?
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a c 92 à CPUs
a c 77 V Motherboard
December 12, 2013 11:48:35 AM

what series..?
gx or silentpro or..?
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a c 92 à CPUs
a c 77 V Motherboard
December 12, 2013 11:51:39 AM

mkextremer said:

btw how do I reset my bios via the MB jumper?


See your motherboard manual book..
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December 12, 2013 11:52:41 AM

It's the 750 W GX
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a c 92 à CPUs
a c 77 V Motherboard
December 12, 2013 12:01:59 PM

mkextremer said:
It's the 750 W GX


Well..that's could be a problem too..
GX series from coolermaster is almost like - sorry, but it's the truth - a crap..
Too high ripple and noise in almost all rail, make this power supply is not good for your system...

read this article => http://www.hardwaresecrets.com/article/Cooler-Master-GX...

For overclocking, you really need an excellent power supply..
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