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My laptop comes with Intel HD Graphics 4000 & AMD Radeon HD 7670M; of which the ATI card is getting really hot.

System information:

[root@MISTRI ashesh] $ cat /proc/version Linux version 4.1.6-200.fc22.x86_64 ([email protected]) (gcc version 5.1.1 20150618 (Red Hat 5.1.1-4) (GCC) ) #1 SMP Mon Aug 17 19:54:31 UTC 2015

I have tried disabling the card and setting power profiles but was unable to do both using the command line as root.

Disabling the card lead to no change and even a crash while switching profile gave me an invalid argument error.

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1 Answer 1

Reset to default
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https://askubuntu.com/a/403981/247523

Try echo battery | sudo tee /sys/class/drm/card0/device/power_dpm_state.

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