Ubuntu and discrete + integrated graphics


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Have a laptop Asus K42JC with integrated graphics in the i5 and a discrete card from nVidia.
Interested in how Ubuntu interacts with the two graphics accelerators chooses one of them, or...
The problem is that after installing Ubuntu 10.10, it runs only until not to include proprietary drivers. after that, the Axis is not loaded. in the BIOS regarding the schedule there is only 1 item in any 2 values of "win Vista / 7" and "reserved", tried both versions — neither after enabling the proprietary drivers, the system does not boot... tried it as x86 and x64 version of Ubuntu... maybe someone faced?
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4 Answers

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"os not loaded" — at what stage fail?
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In the BIOS disable that viduh which at this moment is not needed.
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What is your understanding of "enable proprietary drivers"? If to register in a config it is not surprising. Because you have by default enabled the integrated card, that is logical, with drivers from NVIDIA will not work. Also worth noting that modern Xorg smart enough to palm off the correct driver.
\r
Ubuntu, by itself, does cards does not react, for he sees only the default Intel (NVIDIA simply disabled).
\r
Now more to the point: you ought to pick in the direction of vgaswitcheroo, though I do not know what is the situation with the cards of NVIDIA.
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In failsafe download and run the root console:
cat /var/log/Xorg.0.log | less
At least you will find in the log where the x's fall.
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