Computer does not wake from sleep

[ununtrium007]

Hi guys, so basically, i put my computer into sleep mode and all is well; then i try to wake it from sleep mode nothing happens. In order to get the computer in working order again, i have to hold down the power button for a few seconds (cut off power etc). After i have cut the power, and have loaded the computer up again, two things happen (depending on operating system):

Windows retains what was in RAM

Linux ubuntu does not retain what was in RAM.

I have tried taking out the hdmi cable in my external gpu to internal gpu to see if anything happens, nothing.

Also once whilst i was trying to fix the issue myself, the pc loaded up from wake as it would, yet again in a "nothing" state; but this time the pc restarted itself. A error screen appear by the bios "Previous Overclock settings have failed, press F1 to change settings etc". This is strange, as i have never overclocked my cpu; however i must say that i have change voltages to default, as my msi board likes to put them alot higher. I have even screwed around with the RAM, i have 4x4 (i know a huge mistake) and have tried many different combinations - and whilst i was doing the experiment; i must say that i found by altering the Ram, sometimes the computer would wake as normal and sometimes it would not. However a certain combination did not the fix the problem 100%, for example once i had only 1 4gb stick, it woke up once correctly, then the next time it did not. When the pc is in a "nothing" state there are no light diagnostic codes, my gpu fans are running, my ssd is running, my fans are running, the motherboard is running, however i cannot tell if the cpu or hard drive are running. Apart from this issue, there are no other major problems. I have tested the ram before using windows ram diagnostic tool and nothing was found; i have also used a tool thats tests longer, no errors. If you guys could please help me i would very much appreciate it, also please excuse my spelling and grammar mistakes; it is very late where i live.

 

My specs:

Intel 6700k

msi z170a gaming pro

corsair 4x4 ram ( vengeance, 2400 frequency)

1tb western digital black hard drive

intel 750 nvme ssd 400gb

corsair cx750

gtx 980 ti (msi white overclock edition, google it, you will find the card)

 

With kind regards 

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