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Possible Duplicate:
How do I install the Intel HD 3000 video driver?
How to install Intel graphics HD 3000 drivers?

I installed in a OEM machine the new ubuntu 12.10 but it seems the HD 2000/3000 accelerator is not installed.

How can install it?

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marked as duplicate by mikewhatever, hhlp, qbi, Thomas Ward, stephenmyall Jan 16 '13 at 16:54

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Why do you thimk it&s not installed? – Bucic Jan 16 '13 at 13:10
@mikewhatever yes, dupe, but not a very useful one. The dupe of that points to an outdated one requiring xorg-edgers, which does not apply to 12.10 with HD3000. – gertvdijk Jan 16 '13 at 14:05

If your system started the driver is installed as intel has open-sourced their display driver and it's shipped with ubuntu by default.

Verify the installed driver using lshw -c video It should state provider of the driver in use - intel corporation, if the driver is correctly installed

You can also check out this information
How to review the current state of open source vs. closed source graphics drivers?
for a brief overview of display drivers for linux.

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If the intention of this post is to answer the question, I recommend explaining what the output of lshw -c video should be if the driver you're recommending is installed and in use. Otherwise, this is really a comment requesting information from the OP, rather than an answer providing a possible solution/resolution. – Eliah Kagan Jan 16 '13 at 14:07

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