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PC only boot 50% of the time!

My PC:

Mobo: Asus Z97-A

CPU: i7 4790K


RAM: 32 GIG ( 4 x 8 ) Kingston HyperX DDR3

PSU: Seasonic 750W

OS: Ubuntu


The machine would turn on 50% of the time, with the other 50% being random problems:



3.Invalid Partition Table

4.Black screen

5.Stuck on ASUS Logo

6.Hangs after typing login info to log into OS ( Ubuntu )


BUT when it works, it is working super smooth and FAST!


I've cleared CMOS by taking out the battery for half an hour and holding the power button with PSU unplugged.

Double checked all connections on MOBO.

Unplugged and plugged back in SATA cables.


What else could be going on?!



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1 minute ago, Ruisun said:


GPU problem

2 minutes ago, Ruisun said:


Drive problem

most of these problems seem to be drive related. look into troubleshooting that

PC specs:

Ryzen 9 3900X overclocked to 4.3-4.4 GHz

Corsair H100i platinum

32 GB Trident Z RGB 3200 MHz 14-14-14-34

RTX 2060

MSI MPG X570 Gaming Edge wifi


Samsung 860 EVO 500GB

2 TB WD hard drive

Corsair RM 750 Watt


Razer Ornata Chroma

Razer Firefly 

Razer Deathadder 2013

Logitech G935 Wireless

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Kinda sounds like a memory problem, maybe a little dust in the memory slots.


Because it loses data, that's probs why you get different errors.

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