Windows Kernel event ID 41 error (63) bad to worse

hi, i have a ~2 yr old pc that recently went crazy. it started about a week ago when it rebooted randomly once, which i didnt paid much attention to. but in the last few days it got worse, random reboots and freezes occurs with increased frequency but there were times when i was able to use it continuously for hours. the issue became intolerable today when the pc reboots as soon as it was started up. it continues to go in this "loop" until it finally boots up, sometimes until the loading windows screen, and a few times into windows - but it freezes again in a few minutes into using it.

windows event viewer shows the following record for all the reboots or freezes i got:
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Event ID: 41
Level: Critical
Task Category = 63
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

the details shows:
BugcheckCode 0
BugcheckParameter1 0x0
BugcheckParameter2 0x0
BugcheckParameter3 0x0
BugcheckParameter4 0x0
SleepInProgress false
PowerButtonTimestamp 0

i've googled possible causes and tried to remedy it without any result. It occurs randomly, totally not program or process specific. the screen just freezes or restarts without a BSOD. i've managed to run tests in between the freezes/reboot on memory, hdd, graphics card and processor test (stress testing all) an all results were without any issue. also ran the system with non-overclocked mode and also windows safe mode - but issue still occurs. im suspecting its a motherboard issue but i have no means of testing that. i was wondering if you guys have came across such issues as i've tried everything i could and im rather dependent on my pc for my school work. thanks!

oh my pc specs is as follows:
Intel® Core™ i7 2600k
Sapphire Radeon HD 6970 2GB
Corsair Vengeance 16GB (4X4 GB) PC3-12800
Intel 520 SSD 120GB
WD Caviar Black 2TB WD2002FAEX
Seagate 2tb ST2000DM001
Seasonic X760
Windows 7 Home Premium 64 bit
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  1. Best answer
    I ran into the exact same problem as you, where my computer would constantly reboot without warning every couple of minutes & I also would only see 3.96GB of ram usable out of 8gb. I was frustrated for days trying to fix this issue, tried everything from reinstalling windows 7, reformatting to windows 8, switching the ram around to searching days on the internet for solutions.

    Turns out all I had to do was turn on X-Boost, a function you could enable when you first boot up you're computer (keep pressing X when you turn on your computer). This fixed my problem completely, haven't had my computer shut down ever since & it also fixed my ram problem, the full 8gb is now readable.

    I'm 100% sure this is the solution because I had built two identical computers for me and my brother with the exact same problems.

    CPU - AMD FX 6300
    GRAPHICS CARD - Gigabyte Nvidia GTX 660 OC
    MOTHERBOARD - Asrock 970 Extreme4
    RAM - G.Skill Ripjaws X 1600Mhz 4GBx2 (8GB)
    PSU - Antec Neo Eco 520c 520W 80Plus Bronze

    Hopefully this helps out other people before they assume their parts are faulty. If you don't have an Asrock motherboard and run into this problem, maybe your motherboard has a similar function to X-Boost at the boot up screen?
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