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Author Topic: Weird system lock up with MSI X370 Sli Plus  (Read 317 times)

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gabriel.marcio89Topic starter

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Weird system lock up with MSI X370 Sli Plus
« on: 13-September-17, 22:57:50 »

I'm having a very hard time with my X370 Sli Plus. Randomly the whole system locks up when I connect/disconnect a USB device, this issue appears to be related
to the USB 2.0 and 3.0 ports, USB Type-C and 3.1 seems to be fine.

The screen just go black and the only way to shutdown the PC is turning the power supply OFF, holding the case button or shorting the pins with a screwdriver doesn't work at all.

The board is running the latest beta bios (3.61), I tought the new version will probably correct this issue, but that is not the case. 

I already tried diferent graphic cards (HD 7950, GTX 970), assembling the system out of the case. Right now I'm running out of options.
Shoul I return the motherboard to the seller?

SPECS:
Ryzen 7 1700/Stock Cooler
MSI X370 Sli Plus
2x8GB Corsair Vengeance LED 3000
EVGA GTX 970
Samsung 850 EV0 250GB SSD/Windows 10
Corsair TX750M 750W

Thanks in advance.
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skywalker_yd

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« Reply #1 on: 14-September-17, 02:36:56 »

Could you take the motherboard out of the case and place on non-conducted surface to try ?
Maybe there's short of the motherboard. 
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gabriel.marcio89Topic starter

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« Reply #2 on: 14-September-17, 13:49:20 »

I did that today, fortunately the issue seems to be completely gone after reassembling the system one more time.

I could be wrong, but the I/O shield seems to make contact with several parts in the back to prevent shortages.

The problem occured after putting the whole thing together on top of the antistatic bag and without the I/O shield. Usually I always put the system to work out of the case to make sure everything is working, but maybe there was some kind of static charge on the bag.

Thanks for the help!
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flobelix

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« Reply #3 on: 14-September-17, 16:24:24 »

The problem occured after putting the whole thing together on top of the antistatic bag and without the I/O shield. 

:shocking: well, you most likely damaged it if trying it on top of the antistatic bag... It is an old myth that using a board on an antistatic bag is anywhere near save. It is conductive as that it is what it is meant to be. What you did is make sure to create a short.
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MSI X299 Gaming 7 ACK (MS-7A90) Bios 1.5 
Core i7 7820X @ 4200.95 MHz (42 * 100.02 MHz, fixed all cores), 1.088v
Corsair H110 Liquid CPU Cooler
32GB (4 x 8GB) Corsair CMK32GX4M4C3000C15R @ 1500 MHz (DDR4-3000), 15-17-17-35-2t 1.35v
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Seasonic G-750 • +12V: 62A • +3.3V: 20A • +5V: 20A
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Svet

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« Reply #4 on: 17-September-17, 19:42:22 »

Yes i also second what Flobelix said
never anti-static bag for that purpose..
aide from this it can also melt badly for the board because of the heat.. [and its impossible to clean]

use a cardbox or wooden table
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