Hi, thanks for being so many who will help.
I have now disabled Windows updates.
I have run the Windows Ethereum mining registry tweaks.
Unfortunately, it did not help.
What is interesting is that the reboot PC at AM 00.04 so AM 01.02 so AM 02.09. And like this every night until AM 06.04, than it work until noon. PM 05.30 and one more reboot PM 08.00
And so its like this every day. I do not think PSU can reboot it every night at the same time.
i check Changing active hours but i can change it to max 18 hours.
Do you have some more idea what can be the reason.
Thank you.
I notice some of your cards are running at memory clock of 2200+ mhz, check in HWMonitor if any of the cards produce memory errors; if you got a card producing alot of errors, then the card is most probably crashing after accumulating alot of errors.
What about core clock speed? are you leaving it on default? cuz that would be too high for mining, and wont increase hashrate alot; alot of power draw, heat, and stress on PSU can cause the crashes. (Assuming those are AMD Cards, clock speed of 1150-1200 is good enough, and some will argue to lower it even more).
Check windows 10 reliability monitor (assuming you are using windows 10), its a nice tool, but you will need some googling to understand how to work with it to understand system crashes.
Try reading the last bits of claymore log files for when the crash happens, maybe you'll get a hint if some card acts funny.
Maybe hardware logging (I think gpuz has a log feature to write to a file), and check for when the crash happened, what was ur hardware status.. if its a gpu crash, you will probably see that the clock and memory speeds went down to P0 state before the crash occurs (usually 300mhz).
