When i start Mining (GPU) , my pc automatically SHUT DOWN and RESTART !!!

[illyrian01]

I have Gpu mining with 6 graphic cards...
6x Rx 470 8Gb.

I don't know where is the problem, also i updated the bios and with this version is required to press any key to continue ( but my pc i don't have at home ... ). This problem just wasted my time...
Just when i'm starting mining , after 2 minutes the pc automatically restarted...
I turned off Windows Firewall and Windows Update.. 

Also i have another problem with other computer ... my friend tried to flash ... but he make a mistake , he want all graphic card in one time to flash... Now when he try to turn on the pc ... the monitor is going to sleep and i can't see anything , he try with another monitor also he get this problem... I don't know where is the problem..

Sorry for my bad english... Hope to get help about this ...

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[shorena]

I have Gpu mining with 6 graphic cards...
6x Rx 470 8Gb.

I don't know where is the problem, also i updated the bios and with this version is required to press any key to continue ( but my pc i don't have at home ... ). This problem just wasted my time...
Just when i'm starting mining , after 2 minutes the pc automatically restarted...

overheating?

[toptek]

first off reflash those cards but one at time you really should not flash them all the at once to be safe but one at time and with only one card loaded at a time I will admit at times i leave all my cards running and flash them one at time and have bricked a card  but i keep doing it that way unless i see a real need to do it with one card loaded in one slot at time . i won't try three card etc at same time that to me is asking for problems, i know it is nice to flash all at once and is possible if done right which it sounds like you said a mistake was made . how many cards got messed up ? .

as for your system will it boot with one card loaded if it does it let you boot in to windows  with one card and no reboots use that card then uninstall all video drivers and let windows install the default VGA drivers not the online drivers windows update installs from AMD or you may be back to not loading or rebooting or even overheating because the bios flashed wrong but worked or seems to,  and re flash each card back to the default bios.

are you using Claymroe miiners i would also set it to  -i 5 or lower for less heat and more stable control while mining  and like others are asking  it may be the PSU ? post all the system info windows if your using it , the Size psu you are using the software miner with version # .

[miropp]

What PSU do you have?
Try better PSU. Also some multirail PSUs have bad 12V power distribution.

[philipma1957]

I have Gpu mining with 6 graphic cards...
6x Rx 470 8Gb.

I don't know where is the problem, also i updated the bios and with this version is required to press any key to continue ( but my pc i don't have at home ... ). This problem just wasted my time...
Just when i'm starting mining , after 2 minutes the pc automatically restarted...
I turned off Windows Firewall and Windows Update.. 

Also i have another problem with other computer ... my friend tried to flash ... but he make a mistake , he want all graphic card in one time to flash... Now when he try to turn on the pc ... the monitor is going to sleep and i can't see anything , he try with another monitor also he get this problem... I don't know where is the problem..

Sorry for my bad english... Hope to get help about this ...

run the rig with one card  and see what happens.

one of the risers may not be good.

one of the cards may not be good.

if 1 card runs non stop  no problems add 1 card extra and you are at two cards.


if two cards run good for a few hours  try the third card.

keep adding a card until there is a problem.