I think I overclocked my CPU a little to much :(

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bearded_ginger

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Sep 29, 2017
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I attempted to overclock my cpu and I think I may have fried something. As soon as I ran prime95 my computer instantly shut down. As soon as it booted again I entered the BIOS, but when I tried to reset it to factory settings it restarted again before I could do anything. Now it won't turn on or anything and I have tried to reset the CMOS and even took the battery out and waiting at least 15 minutes with no avail. I am not sure which component of my pc I ruined. Any help would be appreciated.

Intel i5 4690k
Thermal take water 3.0
Asrock Z97 Anniversary
MSI GTX 970
1 stick 8gb ram
Corsair TX750 PSU
 
Solution
derekullo
It still sounds like a power supply issue.

I recommend trying a new power supply to see if that fixes the issue.

I wouldn't continue trying to test with your current one due to it possibly doing more damage to the system.

When power supplies fail it is possible for them to take out other parts of the computer, like the graphics card, which could also be the case here.

That makes these cases incredibly hard to troubleshoot with the psu, gpu, ram and motherboard all being prime suspects from receiving damage from a failing power supply.


On my first computer I ever built, back in 2003, I was overclocking the cpu (probably the gpu too) and I blew the power supply.
The computer turned off in the middle of the game, Tron 2.0, followed...
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pcgaming98

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Jan 24, 2014
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Try breadboarding it. Remove all other components except the necessary ones (ie just run your CPU, PSU, and motherboard). If you have a USB drive, it may also be worth trying to run a MemTest86+ on it. It'll test to make sure nothing went wonky with your RAM, and it will require 8 passes which might take around 12 hours, so that's something you might just want to leave running overnight as you sleep.
 
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derekullo

derekullo

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Jan 25, 2009
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If the computer won't post you either broke your motherboard or power supply.

Best case would be the power supply broke since that is easier / less time consuming to replace.

It's worth nothing he may have a difficult time running Memtest if the computer won't turn on.

Do you have a compatible known good power supply of similar wattage nearby you could test with?

Try buying one from a nearby Bestbuy if one isn't and seeing if it fixes it.

If it fixes it then you are done.

If it doesn't fix it then you could always return it losing either nothing or a small restocking fee.

Long sad stories may be able to get the restocking fee waived.
 
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bearded_ginger

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Sep 29, 2017
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I have to use my phone to answer and not sure how to properly reply. But yes all my fans come on and all the lights turn on but I do not get a display. The fan on power supply turns on as well if that makes a difference.
 
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derekullo

derekullo

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Jan 25, 2009
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It still sounds like a power supply issue.

I recommend trying a new power supply to see if that fixes the issue.

I wouldn't continue trying to test with your current one due to it possibly doing more damage to the system.

When power supplies fail it is possible for them to take out other parts of the computer, like the graphics card, which could also be the case here.

That makes these cases incredibly hard to troubleshoot with the psu, gpu, ram and motherboard all being prime suspects from receiving damage from a failing power supply.


On my first computer I ever built, back in 2003, I was overclocking the cpu (probably the gpu too) and I blew the power supply.
The computer turned off in the middle of the game, Tron 2.0, followed by a large cloud of white smoke.
The game tutorial had just said to "click the io node" and as soon as I clicked it ... BOOM!!!!
The large cloud of white smoke coming directly out the psu made it easy to find the culprit. (I yanked the power cord as quick as i could)
Thankfully my Athlon XP 2200+ with a Geforce 3 Ti 500 wasn't damaged.
I was using some offbrand power supply that probably wasn't high wattage.
Ever since then I have stuck with the Corsair AX brand, TX is good too.
 
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Solution
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pcgaming98

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Jan 24, 2014
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I would try calling some local computer stores, asking if they have some power supply units lying around, and seeing if anyone would allow you to come in and try them on your PC. Try explaining the situation to them and see if anyone will allow you.
 
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