Did I ruin my cpu?

karoom_ak · Feb 11, 2018

Hey guys,

I have a amd A8 7650k (which I am upgrading really soon) and I was overclocking it. It’s stock clock is 3.3 ghz and turbo to 3.7, I tried achieving a core clock of 4.3 and I ran a cpu stress test for 12 hours and had no problems what so ever. But after playing a few games my PC would randomly restart without a warning, giving me a black screen (never gave me the bsod), I toned down the clocking a little bit and it still happened so I eventually made my bios load default settings and basically turn off my overclock profile completely. Right now I’m running on stock clock 3.3ghz yet my PC still keeps restarting. It also restarted a few times while surfing the web and having no background applications on at all. I checked all the cables and made sure everything is plugged in properly, checked the ram, and GPU. Everything seems to be in place. I also kept checking temperatures off Aida 64 and maximum temperatures I’m getting is 57-59 on my CPU when it was overclocked to 4.3 and running a stress test
Now I’m stock clock 3.3 running a stress test and achieving a max temperature of 47-49
Anything I can do to fix?
GPU: msi r9 380 4gb oc edition
Motherboard: ASUS a68hm-k
Ram: Corsair vengeance 8gb ddr3

1LiquidPC · Feb 11, 2018

Sounds like it could be a PSU failing, given the now random reboots even web browsing. What make/model do you have?

karoom_ak · Feb 11, 2018

1LiquidPC :

I have the corsair cx500 500 watt plus bronze, i bought it in mid August 2016

Karadjgne · Feb 11, 2018

Sounds like a ram issue tbh. When you went back to stock speeds, did you reset bios to default? or just change the multiplier? Check windows event viewer, it should have critical errors reported that will give a clue as to the instability that caused the reboot.

karoom_ak · Feb 11, 2018

Karadjgne :

I launched default settings in the bios and the restart still happens and event viewer tells me "kernel-power task 41 category 63"

1LiquidPC · Feb 11, 2018

Those CX units are entry level regarding quality. They are made with lower quality components to help keep costs down. This can also cause voltage fluctuations, which can lead to odd behavior including reboots. Not really meant for use in gaming rigs or OCing. You could try something like Memtest86 to verify memory, as was mentioned above. Have you tried another set of GPU drivers as well?

karoom_ak · Feb 11, 2018

1LiquidPC :

I have used different set of gpu drivers since in the 3 month period of this occurring 3 drivers for AMDs gpu have released so im currently running off the latest drivers. i will test my rig with a different power supply and see if any reboots occur. i am upgrading soon to a ryzen 5 1600 with a asus rog strix b350-f motherboard and of course new ddr4 ram, do you suggest a new power supply upgrade and if so which one? kinda on a budget though

Karadjgne · Feb 11, 2018

http://www.sevenforums.com/tutorials/819-hibernate-enable-disable.html

Follow DOS command line instruction to get rid of hibernation.

Open the Task Manager, go to Services tab. Scroll down to Superfetch. Change to Disable.

Open Run box in start menu. Type in regedit. This opens up the registry. Follow next steps exactly, touch nothing else. If you don't see superfetch, no worries, it's already disabled by Services.

In registry, follow the string.

"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SessionManager\Memory Management\PrefetchParameters"

Right-click on both EnablePrefetcher and EnableSuperfetch.

Select Modify on each of these to change the value from 1 (or 3) to 0.

Save and exit.

Reboot.

Best I could find. You could swap out all your components, ram, psu, even reset OS and still get this error.

karoom_ak · Feb 11, 2018

Karadjgne :

http://www.sevenforums.com/tutorials/819-hibernate-enable-disable.html

Follow DOS command line instruction to get rid of hibernation.

Open the Task Manager, go to Services tab. Scroll down to Superfetch. Change to Disable.

Open Run box in start menu. Type in regedit. This opens up the registry. Follow next steps exactly, touch nothing else. If you don't see superfetch, no worries, it's already disabled by Services.

In registry, follow the string.

"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SessionManager\Memory Management\PrefetchParameters"

Right-click on both EnablePrefetcher and EnableSuperfetch.

Select Modify on each of these to change the value from 1 (or 3) to 0.

Save and exit.

Reboot.

Best I could find. You could swap out all your components, ram, psu, even reset OS and still get this error.

how is my problem a hibernation problem?

Karadjgne · Feb 12, 2018

Hiberfil.sys controls hibernation and fastboot. According to multiple postings, the OS basically gets it in its head that the pc is really a notebook/laptop (the OS is built for either/both) so tries to go into battery saving mode, right when you don't want it to. Unfortunately, the psu isn't a battery, so you get conflicts. Hibernation is strictly an eco setting used by laptops for when you just close the lid, instantly putting the laptop in battery saving mode, with all the local info stored in ram for fast awake. Getting rid of hibernation totally via command line (just turning it off does nothing) can hopefully bypass this issue. Bonus is that hiberfil.sys also soaks up 75% of your ram size on the OS drive, so for those running 16Gb of ram, @12Gb of C drive is automatically sectioned off, untouchable. Removing hiberfil.sys turns that 12Gb back as usable space. Quite helpful for those running 120Gb SSDs.
Anyways, from everything I've gone through, you can change everything, including an OS full clean install, swap drives, mobo, ram etc but unless it's all done at once, the pattern of laptop thinking isn't broken, so the OS literally shuts you down for no valid reason.

Best I could come up with, but if you search some of the posts, they also say to never let the pc sleep, turn off all ability to wake from sleep, kill superfetch/prefetcher ad a host of other things tried, even down to swapping kb/mouse ports around. It's the weirdest error there is cuz there's exact no set cure, just a bunch of hopefully fixes, that are different for many ppl.

karoom_ak · Feb 12, 2018

Karadjgne :

Hiberfil.sys controls hibernation and fastboot. According to multiple postings, the OS basically gets it in its head that the pc is really a notebook/laptop (the OS is built for either/both) so tries to go into battery saving mode, right when you don't want it to. Unfortunately, the psu isn't a battery, so you get conflicts. Hibernation is strictly an eco setting used by laptops for when you just close the lid, instantly putting the laptop in battery saving mode, with all the local info stored in ram for fast awake. Getting rid of hibernation totally via command line (just turning it off does nothing) can hopefully bypass this issue. Bonus is that hiberfil.sys also soaks up 75% of your ram size on the OS drive, so for those running 16Gb of ram, @12Gb of C drive is automatically sectioned off, untouchable. Removing hiberfil.sys turns that 12Gb back as usable space. Quite helpful for those running 120Gb SSDs.
Anyways, from everything I've gone through, you can change everything, including an OS full clean install, swap drives, mobo, ram etc but unless it's all done at once, the pattern of laptop thinking isn't broken, so the OS literally shuts you down for no valid reason.

Best I could come up with, but if you search some of the posts, they also say to never let the pc sleep, turn off all ability to wake from sleep, kill superfetch/prefetcher ad a host of other things tried, even down to swapping kb/mouse ports around. It's the weirdest error there is cuz there's exact no set cure, just a bunch of hopefully fixes, that are different for many ppl.

from what I read is that you had this problem before? which is just randomly restarting your computer without a notification. and turning off superfetch and hibernation will cure this? well atleast for you? plus: is killing the superfetch just a bonus step to have ram space or does it impact my problem in a way?

Karadjgne · Feb 12, 2018

Superfetch and prefetcher are windows way of indexing the drive. With a hdd, this was a bonus as it saved a bunch of time, windows basically had a memory of where stuff was stored and would pre-fetch files it thought you'd need, so wouldn't have to search the entire disc looking for the stuff. When windows does that, the search initiates high cpu usage, voltage spikes, temp spikes etc heavy workloading. With windows thinking it's a laptop, such usage will drain a battery quickly, so windows clamps down on voltages, usage etc. But being a pc, your performance settings are counter-productive to eco settings and the pc freaks out, shuts down.

An SSD is far different. It does not need indexing, it has no disc to search. Every address is as accessible as another, there's no need for search as any needed address is right there in front. The only thing all that indexing does is a ton of read/writes for no viable reason. It's why you never, ever, Defrag an SSD, you do far more damage than help.

So yes, just getting rid of superfetch and prefetcher does help, at a very minimum it'll extend the useful life of an SSD.

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