how to turn off discrete graphics card with Ivy Bridge?
I just wanna know what command should I enter to turn off discrete graphics card with Ivy Bridge, I have Radeon 8730M on Dell Inspiron 15r (by the way it came with Ubuntu pre-installed, but the computer shop removed it and installed Windows before I bought it),
on Sandy Bridge computer u can find /sys/kernel/debug/vgaswitcheroo/switch, where u can do commands to turn off/on,
Only on this Ivy Bridge /sys/kernel/debug/vgaswitcheroo/ is not found at all, I tested it with Live UBUNTU and installed Ubuntu,
The reason I ask is that there's no driver ready yet from AMD on this card, I just wanna know how to turn it off to keep using Ubuntu, of course I googled before I'm posting this,
Many thanks in advance,
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