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Include i915.enable_guc=3 kernel param in iGPU instructions #589

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Nov 14, 2024
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Include i915.enable_guc=3 kernel param in iGPU instructions #589

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5 changes: 4 additions & 1 deletion docs/guides/hybrid-graphics.md
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Expand Up @@ -45,7 +45,10 @@ If you experience system freezes, then the laptop's fans becoming loud, before t

### Suspend workaround

If using the iGPU causes the screen to be black after waking up from suspend, then try turning the screen off and on after the backlight turns on. For GNOME: type your password then press enter, press Command + L to lock (this should turn off the backlight), then press any key.
If using the iGPU causes the screen to be black after waking up from suspend, then try one of these workarounds:

- Add `i915.enable_guc=3` to [your kernel parameters](https://wiki.t2linux.org/guides/postinstall/#add-necessary-kernel-paramaters). If that has a problem, try setting the value to 2 instead of 3.
- Turn the screen off and on after the backlight turns on. For GNOME: type your password then press enter, press Command + L to lock (this should turn off the backlight), then press any key.

## Use on Windows

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