During gameplay of some games my resolution changes to lower and some time later the game completely shuts down, showing the error. Then I have to restart the computer because it's slowed down.
I don't know all other specifications or settings.
Sounds like it`s overheating. Download and install Rivatuner to check the card temperatures, you should see no more than 70C at idle (Windows desktop) and under 85C under load.
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