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Overclocking problem

Guest ToxicGen

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Guest ToxicGen

Hi. I'm the owner of an Acer Aspire 7520, it has an Nvidia 8400m G. And I want to overclock (pretty obvious with such a crap card).

Well, here's the problem. Whenever I try to raise the clocks on this card, and hit apply, they INSTANTLY go back to their original values. Downclocking instead, is possible (But unable to raise them again without rebooting). I tried Rivatuner & nTune. I'm using the 178.13 drivers.

Can anyone help me?

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mmm.. i have heard that people with your system can not overclock. to make sure uninstall the current driver, installing the standard VGA adapter. then restart into safe mode. use an app called driver sweeper to clean out all nvidia drivers. then restart. install your nvidia driver and try to overclock. may work, but as i said, have heard of people with your system that were just not able to overclock

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